Duraspark vs hei. I need a little help with my distributor install.
- Duraspark vs hei 351W engines have a larger oil pump driveshaft. Both the HEI coils have less primary resistance too - more volts plus more amps give it "high energy. As far as the MSD vs HEI etc - the HEI & Fords are Kettering ignitions, the MSD isn't. Plus, with the HEI, everything in your ignition is now brand-new, whereas, with the large cap upgrade, you still have your 30-year-old distributor. Thank you for the great service manual page!!! If I were you I would shoot for the duraspark 2. I've put well over 20,000 miles on my 1979 AMC 258 i6 / 4. Pertronix Ignition - Greetings! - I installed a 1975 vintage Ford 300 six engine in my 1966 Ford F100 and need to decide what type of electronic ignition to install. As far as DUI goes: I went from a stock Duraspark to a Performance Distributors unit set up for my car - engine, cam, etc and it made a world of difference. There has been lots of stuff relevant over the past few months. If I remember reading the specs right, after 3000 rpm the MSD does nothing different than a plain electronic ignition. Joined Jul 6, 2015 Messages 4,439 Reaction score 271 Location Iowa My Car 1973 Mustang Grande 351C 2v. Now I'm running a MSD 6 series module and a HEI module as backup. I have a '84 ranger with a 2. Both the Duraspark boxes I currently have in service are s-l-o-w-l-y dripping out the potting which is annoying me. 5891 posts · Joined 2008 Add to quote; Only show this user #1 · Jul 13, 2017. A TFI distributor will have the ignition module attached to the distributor and no vacuum advance cannister. I have had a module that wouldnt start the truck,switch to another box Ya know, there is no difference in operating principle between the HEI and the Duraspark. HEI, Stealth HEI, Capacitive Discharge, anything else is better by all metrics. About 6. Joined May 5, 2005 Messages 5,249 Loc. ( Ford Duraspark – Performance Distributors) This coil & module combination is a HUGE SPARK ENERGY INCREASE over the original equipment Duraspark or Prestolite ignition system and is by far superior to the economy HEI units made in China, and sold in the automotive aftermarket and on the intranet. A few things should be considered when selecting the parts: Distributors do not physically interchange between a 302 and 351W. Also, their bushings and module support 7000rpm or 9000rpm depending upon the dizzy you get. I'm replacing 1973 - 1979 F-100 & Larger F-Series Trucks - Duraspark / HEI hybrid ignition - I am doing a resto-mod restoration on my 75 F250. TN1776 Bronco Guru. I tried a duraspark module, but if I ran no ballast wire to the e-coil it would over heat. May 27, 2010 15 2 13. The end of the distributor shaft is also larger to accommodate this difference. Mounting the HEI unit inside the cab away from heat and vibrations makes it reliable and easy to change over GM HEI or switching over to Motorcraft/ DuraSpark are both viable alternatives, since the distributor, module and ignition coil all have to be replaced. 080 gap. the MSD system costs $500 either way (separate pieces vs all-in Just wondering if J701 can be used with Duraspark Distributors. Points ignition power. Duraspark II electronic ignition was used on 1977 to 1984 Ford V-8 passenger car and light truck engines. Both work well and are great upgrades in their own right. I would suggest you use relays to power the coil and controller - keeps both the voltage and amperage up - and if you use a "plug in" style relay, you can isolate it easily for service work. No problems so far. 1085 posts · Joined 1998 Add to quote; Only show this user #1 · Jun 29, 1999. Quote Reply Topic: HEI vs. Even a how to use a duraspark distributor to trigger an HEI module. 7. All that aside, there is still the matter of why the freakin part numbers interchange between vehicles that ran I or II from the factory. This helps keep the plugs cleaner, start easier, idle better. I. 0 RHO 84 T-Bird 5. Combine with rebuilt distributor, $50, and you have the best ignition you can get and it fully adjustable for advance curve. Opinions please! ChrisC74 Sr. The engine this refers to is the good ole 300 i6. Moderators: Ranchero50, DuckRyder. Came with excellent instructions. If you have read Jacobs book, which I did, and then bought his computer ignition, you can run an . * * * * * * * * * * The GM style HEI was developed for, and made it's racing applications debut in 1966. When I did run ballast it didnt put out enough spark. A distributor does not care in the least how much power an engine makes. Here is a link to my 'Stealth HEI' page. 9L EEC-IV Carb. The way the factory Duraspark is set up between vacuum advance mechanism and it's own internal timing curves it's a catch22 of compromises when they work right, and a diagnostic nightmare when they don't. I also know what a piece of crap the old Duraspark is from experience. Duraspark 1 is unique in that it alters dwell time to ensure full coil saturation independent of rpm. 3) Step by Step instructions for doing 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - Duraspark III to Duraspark HEi conversion, 3g conversion, some thing's I've learned - Ok, so I have an 83 F-150, 4x4, reg cab, shortbox. $330) The MSD distributor is analog so the curve has to be set with springs and weights, and the MSD doesn't have vacuum advance. You could get one of these: Standard Motor Distributor Caps FD129 I use this as I prefer the HEI style male connections: The beauty of HEI lies also in a possibility of a single-wire hook up. That would be similar to the Duraspark 1 I believe, and looks the same as original. But my HEI and Duraspark systems have been rock solid. 71 F100 SportCustom 460 C6. A street/strip dizzy package is only $359 right now. CLICK For Non-Fuel Injection Now how about something easy for the ignition. The Duraspark/Ford ignition boxes have been outsourced to smaller companies for a long time and aren't always reliable. I don't know why you are having problems with the HEI, but you need a resistor with the duraspark system inline with the coil + wire. All I have to say is I had an HEI , took it out to try the duraspark and sold the HEI. Just hide it so nobody knows. Only a Duraspark II with this 3rd connector and the Distributor Modulation Valve(DMV) has the capability to advance/retard the ignition. 042 depending on driving conditions but haven't found that any gaps from . Motorcraft/DuraSpark Ignitions IMO. When I had orange to W, it would trigger the coil way to late. Thank you for the great service manual page!!! +1 on the Duraspark - there's a reason GM hid those monstrosities in the back. Joined Dec 9, 2010 Messages 904. In any case, you can run the 10-12 GA wire from the BATT terminal on the distributor to the connector that fed power to your old Duraspark module Anyone out there know anything about the HEI Distributor by Redline. I need a little help with my distributor install. It varies the I'm going to stick with the Duraspark distributor itself to avoid clearance issues but probably use a remote HEI module as the "brains". 060 gap is what Ford recommended on many of the 76-79 engines, it is no problem for your DuraSpark. Ah, but the DS-I 'red-grommet'! Sure, it's a hot one almost on-par with the P-II, HEI, etc. I have a couple of rods with the Duraspark (one 302 V8 and one 240 six) and they work well. I can only Use the DSII to trigger either a GM HEI or Chrysler module. The Duraspark dizzy is a better unit than the HEI, and not so butt-ugly and huge- MSD uses Duraspark components in their dizzys. " Some folks just use the stock Ford Duraspark module and only use the coils. As to dialing in the advance curve, that could be due to wear. I then bought the correct Duraspark coil and haven't had a problem in 6 years. HEI Batt terminal needs to see 12v at crank and run. the hei distributor looks cheap and has no brand-name anywhere so I can only assume it's a cheap-o. 91 F Hi all, I am going to convert my 85 2. I had to run a hotter coil, the stock coil cut off at idle. I bought a 74 f350 with a 360 and it had an hei distributor on it. The stock Duraspark II distributor is in place and I have heard good things about the Duraspark You might search for TFI or HEI. Compared to the hei module, the motorcraft box showed 150 microseconds for speed and 3. Currently I have what looks like a TFI and a duraspark ignition cobbled Untruth: A stock HEI will do a good job only when used in low- to mid-RPM-range performance applications. Even rebuilding a points style with a PERTRONIX II would be better (IMO). Untruth: A stock HEI will do a good job only when used in low- to mid-RPM-range performance applications. You need to use 12AGW wire to the coil and module to handle the 5. it looks to me that the dizzy is a stock ford duraspark II type. You can wire just about any ignition module in place of the Duraspark box, wether it be an HEI module (talking JUST the module not whole HEI distributor etc) or a Mopar ignition or aftermarket. And all the wire and connections are new. I kept it simple - no relay. Alan Mackin 83 T-Bird 460 83 T-Bird Heritage 5. engine sat outside and is in OK condition. Do you really need the non feedback carb, or can i just strip the original carb of the electric parts and make a manual metering block for now? (Will upgrade later to Holley or similar) 2. I did not bypass the resistor wire in the stock ignition. I know how to wire it and all, my question has to do with where to mount the module. But it has no wiring diagram. I'm upgrading the ignition points in my car to electronic. K. This is an HEI module in place of the factory DuraSpark unit. In fact, my original MSD-5 is still running in my Father's 347 powered '66 Mustang with an MSD distributor. I have been happy with my Duraspark and it spins over 6K more regularly than I like to admit. May try the GM HEI first and send the Duraspark version back. Hence the The GM HEI module is in the high-energy family with PerTronix Ignitor-II ("P-II"), DuraSpark-I (red grommet HE), Ford TFI, and other high-energy systems, when used with a The HEI does not require a ballast resistor so wiring is easy. What should we set the base timing at for this set up? What is the procedure for setting timing? It started right up first Yeah its for my my 302. I had nothing but trouble with their distributor and -6AL boxes. here is the info that i got for the conversion. Voltage to the coil is limited by 1. The standard cap is blue over grey, but larger diameter. See HEI Coil- E-core vs canister: An E-core coil has an improved magnetic circuit path. Duraspark II. a regular HEI is no better than a DS in terms of performance. But for my latest build I used the HEI module ('46 pickup w/ a 523 V8) and it works well also. T. It is for a 352 any help would be great. It's so much stronger that the test isn't fair When we compare DuraSpark to HEI, we are comparing Apples A Duraspark distributor will have 3 wires coming out of it, they should be orange, purple and black and will come together at a connector about 6-8 inches from the distributor and on the side of the distributor will be a vacuum advance cannister. Yesterday I attempted to place a 4-pin HEI module on my truck, because the ballast resistor I had been using on my Duraspark II Pertronix vs HEI. 2. The HEI doesn't require the resistor though. I tried that when I did my own conversion and burned up not one but TWO ignition modules within about a week. I have a lot of wires and connectors going nowhere. I have been sitting on an “Already Quit” MSD 8360 Distributor for several years. The module stops feeding the coil at the right time, the field collapses and generates the high voltage. 5amps and to vary dwell. Only show this user. Jeep Ignition Upgrade Paths, DuraSpark vs Hei Compare by JeepHammer GM HEI vs. If you already have a DI and it's working well, you probably won't see much of a difference between the two. However, a good performance HEI module does not have this issue. Easy to wire a GM HEI module in place of the original. I have 3,000 miles and so far no problems. The GM HEI is a little Both of the systems - the HEI set-up and the Duraspark II have their advantages. 0 Reply. A Duraspark blows it out of the water at half the cost. Save Share Reply Quote Like. From a performance stand point would there be any noticle difference between the two? The Petronix looks appealing as I can retain my stock distributor and just swap out the Guts I think I have the MSD-8582 distributor,the MSD-6520 digital box,and a MSD-SS blaster coil and it made a world of difference over the duraspark 2 i had. I left the rest of the plugs in tact and I have been removing wires from them as I go. Duraspark distributor with MSD-6AL with MSD Blaster coil Duraspark distributor with Duraspark II blue grommet box and OEM coil I really liked MSD in the 70s and 80s. To me, either way is pretty easy, but the HEI is easier. It appears someone has taken off a lot of the emissions stuff. 7 ohm Secondary Windings 6. 7 posts • Page 1 of 1. The problem we have been running into though is that as soon as we hook up the vacuum advance the engine dies, we are running the engine at 6 degrees BTC and when we tried it at TDC it ran better but still died after a couple seconds (less then 30). The Duraspark offers a unique feature that the HEI does not. The basic design wasn't changed until it was discontinued in the 1990's The GM HEI was the first DuraSpark I vs. 9l i6 fl50 with an hei distributor. Much more power for longer spark burn. 1973 - 1979 F-100 & Larger F-Series Trucks - Duraspark conversion help - Hey folks. Motorcraft/Duraspark ignitions (very long) - International Full Size Jeep Association I know they are talking about Jeeps and 6 cyl but the concept is the same. I am not sure if I was surprised how cheap it was to buy an HEI for this Ford 302. jeep hammers duraspark to HEI module works LINK:Small Cap 'HEI' V-8 Distributor. All this technical info is really cool but would you notice a difference when driving with a HEI vs MSD vs Duraspark? [/ QUOTE ] Clearly MSD rules the day. -----'70 Mustang Mach 1 - '72 Mustang Sprint - '94 F-150. Baz, the . Pionts vs Pertronix vs Duraspark vs Jump to Latest 21 - 40 of 58 Posts. the net effect is losing appx 10* of spark advance. I wanted to keep the tfi coil. There are other big advantages to the HEI over the stock Duraspark/Prestolite ignition system. What gives the HEI and the TFI systems the more powerful spark is they don't use an ignition resistor in the circuit, - the coil gets a full 12 volts. Also, the bulky size seems to stir The main difference between the two is that GM redesigned their whole distributor for high energy ignition (HEI) whereas Ford chose to adapt their existing distributor. I found out about the GM HEI modules after I placed the order with Rock Auto. I emptied my duraspark casing and put my HEI module with a heatsink within the empty case, using plenty of heat transfer solution I got from Radio Shack. You may have to register before you can post: click the register link above to proceed. and I couldn't feel a bit of difference between the TFI coil and Duraspark coil at all. *IF* the GM HEI style module wired in as a 'Stand Alone' module, (usually meaning the factory ignition wiring harness has been removed) Instead of simply replacing the factory module, it's a 'HEI Hybrid' install. Please remember our sponsors, Mustangs Plus, NPD, Osborn Reproductions, MyFordPerformance. 3 ohm Dumping Holley Goldbox on the International Scout II and substituting GM HEI module, coil and Ford Duraspark components, by swapping and modding Duraspark c Duraspark 1 was likely the most powerful ignition ever put on a carbureted Ford from the factory. I would *NOT* recommend running the TFI coil with the Duraspark II ignition. Another dist to consider is te new Crane unit. But with that, I put a Z&M HEI in my cherokee (1975, no duraspark) and it ran great. 9L / 300 - Duraspark II vs. Feb 3, 2014 #4 Factory DuraSpark vehicle (existing wiring!): DuraSpark dizzy + DuraSpark module hidden HEI inside. HEI remote type, electrically they are nearly identical, resistance and output. C. merlin51. When you take out the old Duraspark control module, there will be running to it from the firewall, a 12G red wire which supplies 12volts (its the only large red wire there). Also not trying to make this into a HEI vs duraspark debate. 035 to . Actually, the Duraspark with the cheap GM module works pretty well, and is the cheap option, which appeals to many- MSD works even better, and MSD even makes a harness that plugs the two together correctly for about $15. The most popular suggestion was an MSD system. 54 bone stock, low options (delete radio), PS/PDB, hubcaps. I have an old PII heatsink and an aluminum bracket I fabbed up to mount it but I At first I thought that the Duraspark I stopped when the Duraspark II began production, but there is a good deal of evidence to the contrary, with Duraspark I remaining in (atleast) california until 1981. Help! Thread starter notch351w; Start date May 27, 2010; N. Hi all, I am going to convert my 85 2. I won't include cheap because there's chinese everthing for cheap. Duraspark is a reluctor, magnet passes coil and a current is induced. Back in the late 80s early 90s i Also, their bushings and module support 7000rpm or 9000rpm depending upon the dizzy you get. Aug 31, 2004 The DII uses male (HEI) connections while the DI uses the old style female connections. The OEM Duraspark module is no longer offered - though, there are plenty of "after market" modules available (NAPA, etc. kevin d Discussion starter. ) As I understand it, the Duraspark does have timing retart for easy starting. But if you are not using that feature, there is no real advantage. MSD vs Duraspark. *IF* the GM HEI style module is replacing the factory DuraSpark module. All I had to do was splice in a wire to the + side of the - of the coil and run it to the HEI, then run wires to the distributor. 4 for current. (with enough profit to do 2 1/2 duraspark conversions) Thanks for the information. The distributor I will most likely go with this one Combine a home-curved duraspark dizzy, hei module, a late model small coil and plugs gapped . 8L to the duraspark distributor with the GM HEI set up. As a result, it is false to believe any Duraspark II module alone can provide for advance/retard. Installing an HEI with a hardened driven gear causes absolutely no problems for your cam gear in a AMC 258 i6 / 4. Ppl are having issues with the new MSD digital stuff. The "typical" aftermarket HEI total distributor advance is 20-22 degrees, compared to the Motorcraft's emission advance of 8 degrees, which can be adjusted. F100 Dad New Member Posts: 76 Joined: Fri Apr 19, 2013 3:37 pm. Fuel mixtures that are richer and not diluted by recirculated exhaust gases are easier to ignite and burn faster, and don't require a wide plug gap and the correspondingly higher If so, yes this is also new. The HEI setup has a lot of downides with the coil bingin the cap the way it is. Com forum for posts about this topic by a member called TeamRush. J. 5 volts at the stock coil. The MSD's only advantage is that its more tunable. Joined Oct 24, 2006 Messages 2,632. 2l or any other inline 6 cylinder AMC motor. I am sort of torn between HEI and Duraspark right now. Using computer controlled "HEI-style" ignition gives you the ability to have better control over timing in all conditions. Came with the coil and control module so all you have to do is give it 12V. When testing the module, the guy mentioned to me I should also go with the HEI module instead but I figure if the ICM is good, might as well keep it. So that part doesn't make any difference. But I've got a TBI system in the works, so I thought I'd better slog it out withe replaced a junk pro comp hei distributor,with a late model duraspark unit running it off a gm style 4 pin module,was able to use the stock heat sink and loca Duraspark vs HEI Good question. 2l engine with the stock cam and my aftermarket HEI with a hardened driven gear and I haven't had the slightest bit of trouble with it. #automotive #diy #ford #howto #installation #performance #youtube #fordcars #fordtrucks #vintage #classiccars #classictrucks #fyp #duraspark#distributor #spa DUI has a wide variety of plug and play HEI-type distributors as well as Ford Duraspark offerings as well. Here is the DS distributor running a GM 4 wire ignition module. i have used crane hi6 ignition equip with very good results, had their dist been avail i prolly would have bought it vs the MSD. BTW, they also sell TFI dizzys and Duraspark setups. Thank for your input if you know anything. The Hyperspark distributor replaced a MSD pro billet distributor so the Hyperspark is actually cheaper. I have a 85 mustang distributor with a steel gear for the roller cam plus the rest of the stuff for the Duraspark II. Ignition duraspark chevy plug hei distributor dist coil dura converting ign Duraspark ford f100 1975 ignition 302 system mustang Duraspark vs pertronixDuraspark ford f100 1975 ignition 302 system mustang key pertronix vs wont start turn coil ii put wire motor truck Wiring ford duraspark diagram ignition module control 300 This is just a rough glimpse of what's to come! I got this truck last year and Ive been working on it on and off. Any Podunk parts store carries parts for a HEI, if you know what to specify. We call it the 'John Strenk "Stealth HEI" Conversion'. It works great. 065 and you a system damn close to a MSD 6a that you can get replacement parts anywhere in the world. Had the HEI for 10 month, a huge improvement compared to the stock ignition. FD477 Coil for Ford Primary Windings is 1. Can I still use my coil? Pertronix 40,000 Volt 1. Putting in a Weber 551-38 and some say this was made to compete against the DUI. But I've got a TBI system in the works, so I thought I'd better slog it out withe Between the HEI ignition and the cat, it didn’t need anything else, and it had great drivability for a car of that era. Is there a reason to run the larger cap style? Anyone have experience using a large cap distributor (duraspark?) with a monte carlo bar? Thanks, Glenn 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - installing an HEI - Hello. anyway, dielectric grease will help keeping water away. Anonymous Guest. I have also run the DuraSpark with a Chrysler LX101 control box. (Mostly leaning toward HEI because it seems more readily available at parts stores near me) 1. With the hei I ran orange to G. 8L. The E-core wraps around and has a small air gap, so there is less leakage inductance. This article refers to the Duraspark II control module with a BLUE strain relief bushing, one 4-pin connector, and one 2-pin connector. The white wire from the Duraspark connects (can be connected) to the starter relay, to retard the ignition, during starting. merlin51 · Registered. do you actually have your truck at 4000 rpms when you drive it. Member. 8K views 13 replies 7 participants last post by jeff swisher Jul 16, 2017. 3 ohm +1 on the Duraspark - there's a reason GM hid those monstrosities in the back. I run the duraspark (modded for my setup) and just connect it to my Mallory 685 box and Mallory coil. MSD Blaster did the trick. It's a 351w with the T19 4 speed and was originally equiped with the feedback Holley carb and a Duraspark III ignition. Autolite spark plugs because they are cheap - gapped at . I'm going to suggest some things for your ignition you should consider HEI vs TFI" Let ME tell you how many Duraspark ignition modules we sell! It would knock you off your seat! "Lets have some numbers. The ignition performance is poor, at best. I may be biased though, since I use GMPP HEI on all four of my GM V-8's including my recreational drag car - the 55 gasser. I just have a few questions to ask. LINK:Small Cap 'HEI' V-8 Distributor. If you have the money I suggest getting a quality aftermarket CD ignition box, keep the Duraspark distributor and get a quality aftermarket coil. We just did the duraspark conversion and used the HEI ignition module. The red grommet box is the one that outputs HEI power, when used with the correct coil. As far as spark energy, there really is no difference between Duraspark controlled TFI and HEI. HEI has pretty much one thing going for it: Simplicity. I didn't have to do any of the special splicing required for the '85 to use the duraspark. 5 OHM with the Duraspark 2 setup? Yes. Both ways are MUCH BETTER than using a HEI Clone distributor, Plus, in your previous brags, you said you ran a resistor wire with the Duraspark, but no resistor on the HEI. If you have an AMC, a Ford, or a Chrysler distributor with a magnetic pickup, it's really easy to convert to a standard four-pin GM HEI module. We went with the HEI-type due to its simplicity – there are literally two wires here. I have never seen the Upgraded Duraspark in action but I have seen the HEI work and it works great. 106 posts · Joined 2005 Add to quote; Only show this user #13 I have some questions regarding Duraspark II or HEI conversion. The HEI switch will be for greater parts access. A good swap is to install a Duraspark distributor and blue-grommet control box and use a TFI coil. ) Next project Tesla Coil! These are the necessary directions for wiring the Ford "Duraspark II" distributor trigger - to the HEI "four pin" controller. I decided to upgrade the ignition in my truck and I chose to go with the single wire HEI unit from Skip White. I have a centech wiring harness. Motorcraft/DuraSpark Ignitions #1, Best Igntion is TeamRush and MSD Ignition 2nd Best Ignition is TeamRush & Duraspark w/aux grounds Distant 3rd is the HEI with remote coil, GMs UPGRADE path Distant 4th is the HEI with coil in head Just wondering if J701 can be used with Duraspark Distributors. The street/strip package is a good deal for what you are getting and much better quality than the Chinese HEI crap on e-bay. Factory DuraSpark vehicle (existing wiring!): DuraSpark dizzy + DuraSpark module hidden HEI inside. . I am not sure if I will be switching over to a HEI, but not because of reliability issues. Based on the feedback, I will be staying away from the GM HEI style. I didn't see or feel a performance or economy difference between the two coils I'm of course talking about the conversion where you wire a GM HEI module inplace of the duraspark box with an 85 distributor. I was just curious if the original Duraspark Which is better to run a GM style HEI aftermarket distributor or the old ford duraspark box? Would I get a better and hotter spark from the HEI setup? Actually, the Duraspark with the cheap GM module works pretty well, and is the cheap option, which appeals to many- MSD works even better, and MSD even makes a Retro-fitting a Ford Duraspark vehicle, the above HEI 4-pin in DuraSpark box conversion is perfect. The module and coil is packaged inside the distributor with the HEI - that's the only difference. searching for jazz and a little libations. 1 2 3. 045 make any noticeable difference. Jeff in Georgia The GM HEI module on the other hand turns the Coil - on and off, developing ignition dwell time to fire the coil, keeping it saturated well without over heating it like the duraspark. Here's the drill. Jump to Latest I'm running DuraSpark Dizzy+GM HEI+TFI coil for the win . Hey folks, Can anyone tell me the pro's and cons of the I have gone to the hei with duraspark for my cfi to carb conversion. -----The facts in my mind are clear, MSD kicks ass on all common factory ignitions. ) If do get the Duraspark, would the Mustang GT 5-speed Duraspark Module the one I need? A distributor does not care in the least how much power an engine makes. It was used to comply wIth California emissions. The 49 State solution was Duraspark 2. I'm getting my ducks in a row to do the Duraspark II conversion on my 67 289 coupe. I agree MSD is better than HEI, (better than Duraspark too) but apples to apples I have some questions regarding Duraspark II or HEI conversion. Today's Posts; Member List; Calendar; Forum; Tire Kickin' General FSJ Tech; If this is your first visit, be sure to check out the FAQ by clicking the link above. I'm mainly going to aim this channel toward you guys on here helped me out big time the last thread i posted so i figured you might all have the info i need this time around also. We have owned several other GM V8’s from this era that also had similar good drivability and minimal emission devices. (Mostly leaning toward HEI because it seems more readily available at parts stores near me) I prefer using a duraspark box when doing the duraspark dizzy swap only because of the extra on-start retard wire that you can hook either to a switch or to an rpm activation 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - HEI MODULE CONVERSION - have seen this mod done all over the place with great success. 3 Turbo NHRA Stock Eliminator 87 T-Bird Turbo Coupe 460 95 Mustang GT 5spd Saphire Blue (purple) Came with excellent instructions. Not a fan of HEI or MSD so I go with Mallory, there 6AL versioni think is better than the MSD and i had one before this 685 which is what I upgraded too for NOS control and start retard. clint. I also verified the GM HEI coil and its within spec. Now you get modern electronics (same as the $$$ HEI Distr has) GM HEI vs. The canister coil magnetic path is a rod, so it is like a bar magnet. Jump to Latest 16K views 7 replies 6 participants last post by FIG Jun 30, 1999. Joined Jan 8, 2005 · 106 Posts #21 · Sep 24, 2018. I don't have a test light but can pick one up tomorrow after work and give it a whirl. i bought a 351w for 50$ off a guy i know last week. 2) The performance of the HEI setup compared to the TeamRush Upgrade on a Duraspark II ignition with a new distributor with the larger weights/notches in it and new rotor, cap, adapter, wires, etc. But, if you just get rid of the Duraspark box and convert to an HEI module, you have to run 12V to the coil and HEI module. I have bad memories of So I had a thread going about troubleshooting my Duraspark, where I resolved to try an HEI. Truth: In reality, the advance curve typically found in a stock HEI distributor is not fully advanced until 4,000 to 4,500 rpm, which is very slow. swapped over to that system and it emiminated over half of the wiring in the engine bay. 8. Here is the o Plus, in your previous brags, you said you ran a resistor wire with the Duraspark, but no resistor on the HEI. Additionally modified the engine stand for stability - welding up a Scout II auto trans Don't spend any money on it - instead replace it with aftermarket HEI, 1978-up Duraspark, or 1974-down Delco, your choice. Retrofitting the Duraspark II system to earlier small block V-8 cars is a popular swap. Since neither duraspark nor HEI are 'smart' edge triggered devices (like CDI or MSD units) there is no software correction. I want to run the The common concensus among Jeep owners is that the Duraspark sucks. Jump to Latest 6. I figured Id try it out and see how it works. One black wire. LINK:Low Budget Fuel Injection Distributor, LINK:AMC V-8 Front Cover Recondition, LINK:Tuning An AMC V-8, Nothing against Duraspark because it is good, but HEI modules do have some advantages. Maybe the HEI module will be a future buy if the duraspark module craps out. ($250 vs. LINK:Low Budget Fuel Injection Distributor, LINK:AMC V-8 Front Cover Recondition, LINK:Tuning An AMC V-8, LINK:Ignition Swaps '77 Older Jeeps, LINK:'78-'90 Jeep Ignition Upgrades, Save Share That's just a HEI unit too. Feb 20, 2014 #2 bbow said: I am sure this has been covered a gazillion times but I can't seem to find it in my thread search. I have found a few write-ups about this from former days. A Duraspark distributor will have 3 wires coming out of it, they should be orange, purple and black and will come together at a connector about 6-8 inches from the distributor and on the side of the distributor will be a vacuum advance cannister. I just had to share my results I got today. Top. 66bluefb Gearhead . The HEI will definitely operate a "hotter" coil and make more spark "upstairs". Duraspark ford f100 1975 ignition 302 system mustang key pertronix vs wont start turn coil ii put wire motor truck Ford duraspark ignition system cobra replica See HEI Coil- E-core vs canister: An E-core coil has an improved magnetic circuit path. I have recently read about this hybrid ignition using a Just a reminder that DuraSpark using the blue grommet is equivalent to points or a PerTronix I energy, and uses a points type coil. (with enough profit to do 2 1/2 duraspark conversions) A TFI coil is hotter than an HEI coil. the davis unified ignition (DUI) is a performance oriented version of the HEI for fords but i have no experience with it. 35 ohm of resistor wire. If the camshaft in your engine has a powerband that begins at 2,500 rpm (or below), then your advance curve will not After you have completed the Duraspark distributor conversion by following this thread. so I'm leaning that way. The Duraspark II requires a 3rd plug and the DMV. If you're dead set on HEI, I'd run a hybrid system over the chinesium distributor. I really love my simple HEI setups. They both make a VR (variable reluctance) signal and trigger the coil from that signal. 8, 5 speed manual transmission and stock 2150A carb. I had several problems with the 4-pin HEI module that really had me close to just slapping a duraspark module back in. You will be happy with either or that crappy Prestolite system! You did not say what distributor you used for a replacement and the BEST choice at that time would have been to use the DuraSpark Distributor from a 1978/1979 259 and use a different box for the spark Small Cap 'HEI' V-8 Distributor. Is there a reason to run the larger cap style? Anyone have experience using a large cap distributor (duraspark?) with a monte carlo bar? Thanks, Glenn Blueprint a DURASPARK II distributor and mount a TFI coil. A very common swap for the AMC involves replacing the stock dizzy and Duraspark ignition with a GM HEI distributor from a GM 250 I-6 because the GM will provide a full 12 volts; the Duraspark won't. 3-888 rebuild kit for the Holley 2V-2300 carburetor finally arrived. But there is an advantage that HEI has over Duraspark controlled TFI. Last edited by a moderator: Aug 4, 2019. jeff swisher Discussion starter. If the HEI tested by that magazine was a lo-po OEM style 4-pin, they did perform poorly at anything beyond mid-range RPM. My all orginal Linc ’77 Mark V has Duraspark and the car is a reliable runner, Pertronix 3 VS HEI. I can spin my engine to 6,200 rpms without a problem (thats where my rev limiter is set) I don't miss the dual point at all. These are only couple of bucks at my local pic-a-part. when the GM HEI is on and the engine is not running the hei doesnt keep the coil grounded, so it wont overheat the coil / module if the key is on and the motor isnt running. Right? Looks like much better package than the I am using a Roller Cam Duraspark Dizzy and HEI Module on a 1966 Mustang. I got the impression that most are running the MSD small cap distributors. Putting in a distributor as well and was going with a DUI but some say the Redline HEI was made for Redline Weber carb. What I would do is the 'John Strenk Stealth HEI' setup, Hid the HEI module in the old DuraSpark box, Plug it into the factory harness, and then you can run either a 'DuraSpark' replacment module, or change modules in your 'Stealth HEI' setup after that. Blueprint a DURASPARK II distributor and mount a TFI coil. LINK:Low Budget Fuel Injection Distributor, LINK:AMC V-8 Front Cover Recondition, LINK:Tuning An I originally was running a dual ignition, DuraSpark vs. Duraspark to HEI Module- Updated- Now a year and a half later Well, I never updated this post with the disappointing part of the 'upgrade'. This is assuming you aren't planning on installing a CD unit, such as an MSD, and just sticking with the Duraspark or HEI module. I'm just making this thread for reference and to have part numbers handy. Just like HEI, this also does not have dwell control (coil charging time). The little GM HEI module works well also, but needs a heat sink. Duraspark TFI Posted: Feb/23/2012 at 10:14am: As Bill pointed out, it's really six or one, half dozen of the other. Follow the TSM and swallow your medicine. Not sure which one to use. 2017 JKU Rubicon Pevious Jeeps: 1981 J10, 1975 Cherokee, 2008 JK, 2005 KJ, 1989 XJ. I have a hunch an aftermarket "duraspark" blue box may not last a long up against a TFI coil and the availability of OEM Ford Duraspark II boxes are not as cheap as an HEI module for sure. Don't spend any money on it - instead replace it with aftermarket HEI, 1978-up Duraspark, or 1974-down Delco, your choice. Also, the MSD ignition curve is Duraspark vs HEI Good question. Also, DUI goes a bit further than most companies by custom calibrating the distributor to your driving style. 9L - Hi all, I bought my son a 1985 F150 Flareside 4. OTHERWISE, Easier to WIRE and Mount a HEI 4-pin on or between For what its worth, I made the Duraspark mods (but not the Nutter bypass) to my 84 CJ about 3 years ago and I got good results. I love the large The Duraspark is a good unit, and there isn't really much difference between the Duraspark distributors. You can also use a GM HEI 4 pin module to fire run everything. This swap uses all stock Ford parts and produces aproxamatly 1 1/2 times hotter spark than an HEI, . So add ANOTHER set of contacts for the supply voltage on that low voltage/medium voltage/high voltage switch! As far as the E-coils are concerned - TFI vs. this is exactly what the ford aftermarket hei Pionts vs Pertronix vs Duraspark vs Jump to Latest 21 - 40 of 58 Posts. LINK:Low Budget Fuel Injection Distributor, LINK:AMC V-8 Front Cover Recondition, LINK:Tuning An I suggest you keep or find an AMC Duraspark electronic distributor, do the TFI upgrade, and use a GM HEI ignition module for better reliability. 1. 9L / 300 - Duraspark II/HEI conversion failed - I will try to give the shortest version of this that I can. The little GM HEI module works well also, DUI has a wide variety of plug and play HEI-type distributors as well as Ford Duraspark offerings as well. First I was gonna use just the module, but my cap and rotor were pretty tired too, distributor was questionable, and pretty soon it started to make sense to use one of these "Wysco" branded GM+Ford bastard HEI distributors on eBay. I can the Blue Grommet Duraspark Module for about $20 - same price as HEI module. This is just a rough glimpse of what's to come! I got this truck last year and Ive been working on it on and off. Non-factory DuraSpark vehicle: Ford small cap dizzy + HEI 4-pin external (to coil OR tie behind water pump) (heat sink ACDelco 10474610 or aluminum angle)(wiring very simple, use 12V round black coil for vintage look) Ford dizzy choices: 1. E. Also, DUI goes a bit further than I am considering converting from Duraspark to the GM HEI. Now you get modern electronics (same as the $$$ HEI Distr has) Jeep Ignition Upgrade Paths, DuraSpark vs Hei Compare by JeepHammer GM HEI vs. Just want something simple with less clutter. I have been running a Duraspark dizzy with a Crane HI-6 box for about 7 years. The Kettering types apply power to the coil, charging the magnetic field up - storing lots of energy in it until it's needed. I'm running the 'Duraspark 2' distributor and module from a '78, in my 300-6. Well worth the money. The DS-II and P-II are so simple, the primary difference is the smart control and energy, and they are nowhere near equivalent. However i too am against the GM style HEI but for different reasons. To start viewing messages, select the forum that you want to visit from the selection below. 5amp draw and a . I gained about 2 MPG and better all around Technically when you run an MSD box it's really not a Duraspark OR an HEI anymore. Currently, To equal the output of the P-II, you would use the DuraSpark-I (red grommet), which is considered "HEI" performance, controls coil dwell, uses no MSD fires the coil multiple times at low rpms. I am considering converting from Duraspark to the GM HEI. That's just a HEI unit too. and would like to know if any here have done this successfully for a 2. HEI will bridge this gap sooner than it will bridge an 060-080 plug. Truth: In reality, the advance curve typically found in a stock HEI distributor is not fully advanced until 4,000 to Baz, the . Some early production had reliability issues, but all the available boxes from India and the Far East have done well. Everything below came from searching the Off-Road. 96 k ohm GM HEI External Coil Primary Windings is 0. Did the HEI module come with the white heatsink grease and did you use it between it and the heatsink? It's special heat transfer grease made out of zinc. I have found that the Duraspark modules vary greatly in their operation (performance) among different brands,and even within the same brand. Thread starter Anonymous; Start date Aug 31, 2004; A. Correct? 3. the truck it came out of was apparently a 86 which is right around the last of Pertronix vs HEI. ) Only a Duraspark II with this 3rd connector and the Distributor Modulation Valve(DMV) has the capability to advance/retard the ignition. recently installed the TFI with the HEI module, and again, an improvement when compared to the HEI. 1961 - 1966 F-100 & Larger F-Series Trucks - Hei distributor - I got a replacement three wire hei dist. 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - Hei distributor installation - I'm looking to replace the distributor in my '85 4. I would use the the CDI, with 6 spark per cylinder, and they can be had for $150, little more if you want rev limiter. If he already has the duraspark setup, its stupid to go with HEI unlss every single thing in his system is bad. DonsBolt Bronco Guru. Right? Looks like much better package than the HEI OEM Points Duraspark II MSD-6 . Right now, I drive 2 Duraspark trucks, both with what looks to be the OE boxes. Post Reply. Motorcraft/DuraSpark Ignitions #1, Best Igntion is TeamRush and MSD Ignition 2nd Best Ignition is TeamRush & Duraspark w/aux grounds Distant 3rd is the HEI with remote coil, GMs UPGRADE path Distant 4th is the HEI with coil in head Follow the TSM and swallow your medicine. LINK:Low Budget Fuel Injection Distributor, LINK:AMC V-8 Front Cover Recondition, LINK:Tuning An AMC V-8, Thanks for the information. 45ohm coil to take advantage of the HEI's ability to maintain the coil at 5. I purchased a GM HEI style distributor made for M/C/and Lincoln engine applications (its a new casting) and plan a Duraspark to HEI conversion. I believe the difference is in the distributer advance system and the cap size. com. HEI so I could collect data about each in real world testing. As I understand it, there isn't an existing wire in the harness that has replaced a junk pro comp hei distributor,with a late model duraspark unit running it off a gm style 4 pin module,was able to use the stock heat sink and loca GM HEI vs. Chestnut Hill, Mass. Ok everyone so after going back and forth on whether to buy the pertronix 3 module and deal with that again or doing the Duraspark 2 conversion I have decided to covert to Duraspark 2. Ford Inline Six, 200, 250, 4. Yesterday I attempted to place a 4-pin HEI module on my truck, because the ballast resistor I had been using on my Duraspark II I use a HEI module and a Duraspark dizzy with a Blaster II coil. Actually, I did as Hemirambler Are those $50-$100 HEI units any good? I keep reading the real-cheapo ones are prone to failure but the more expensive ones are decent. Duraspark to HEI conversion. any real advantage to an MSD system over a Pertronix style? (other than to drain your wallet) and, with the MSD, I don't see a real advantage to their separate CDI box (like the 6AL) over a new MSD Billet distributor with the built in module. Bronco II - Duraspark conversion? - My son has a 1985 Bronco II with 2. I was looking at this website and saw that using the chevy HEI module would eliminate having to use the ford module and ballast resistor and thought that was a neat idea. You could get one of these: Standard Motor Distributor Caps FD129 I use this as I prefer the HEI style male connections: Here is the best part. While I was working on the ignition I noticed the wires After you have completed the Duraspark distributor conversion by following this thread. The black cap on the distributor has two terminals, marked BATT and TACH - very self-explanatory. I started to do some research on how to convert a DuraSpark distributor to utilize a remote mount 4 pin HEI module and thought I could do the same to my MSD distributor since they have the same type of magnetic pickup. ( Ford Duraspark – Performance Distributors) Points ignition power. May 27, 2010 #1 May 27, 2010 #1 I've recently started a project, fox with a carbed 351w and a You might search for TFI or HEI. notch351w Member. 1973 - 1979 F-100 & Larger F-Series Trucks - HEI wiring - Yes, I know it's been asked hundreds of times, but I'm going to ask again. May 27, 2010 #1 May 27, 2010 #1 I've recently started a project, fox with a carbed 351w and a First, understand that there are differences between HEI (High Energy Ignition) MSD (Multiple-Spark Discharge), CDI (Capacitive-Discharge Ignition), to replace the distributor with a later "DurasparkII" unit and using its Hall-effect pickup to fire either the factory Duraspark module, a GM 4-pin HEI module, One should note that both the red Duraspark (1977 California only) and GM HEI were developed for one sole purpose, to light off a lean, EGR-contaminated fuel mixture more completely. Two years and working great. Reply. - I'm believing it, too. anyway i am going to do this soon with my tbird. Without qualification, all of your fords are running 032-035 gaps. Tim Reese Maine beekeeper's truck: '77 J10 LWB, 258/T15/D20/3. 73pony Well-known member 7173 Mustang Supporter Member. HEI vs TFI" Let ME tell you how many Duraspark ignition modules we sell! It would knock you off your seat! "Lets have some numbers. The distributor I will most likely go with this one You did not say what distributor you used for a replacement and the BEST choice at that time would have been to use the DuraSpark Distributor from a 1978/1979 259 and use a different box for the spark Small Cap 'HEI' V-8 Distributor. 0 86 T-Bird 2. 'Smart' dwell control, and no resistor, plus a lower-ohm coil. The coil in the cap sounds like a bad idea to me also after reading his post . Thank you for the great service manual page!!! replaced a junk pro comp hei distributor,with a late model duraspark unit running it off a gm style 4 pin module,was able to use the stock heat sink and loca Plus, in your previous brags, you said you ran a resistor wire with the Duraspark, but no resistor on the HEI. ) Is the GM 4-pin HEI module offer better reliability? 4. com, and FordRamAir. Engine, ignition, fuel, cooling, exhaust. 038 to . Back in the late I have been trying to use the Duraspark distributor in my 289 with a GM HEI ignition module. Water is not a concern where I travel so this is not a relevant factor. My original plan was to run the ignition with the newer blue gromet ICM over the black one from 1975. the hei conversion is just if you are converting from efi to carb and you don't have the know how or the time and patience to rewire the hole duraspark ignition box. You can mix and match components between them at will. I'm mainly going to aim this channel toward 1973 - 1979 F-100 & Larger F-Series Trucks - Duraspark to chevy HEI - I was wondering if anyone had converted thier duraspark over to a chevy HEI. 9L / 300 - HEI or Duraspark 2 Conversion 85 F150 4. Use an OEM Duraspark distributor, 4 pin HEI module on a heat sink in a cool spot, and your choice of standard ignition coil. I keep If so, yes this is also new. Cut it at the Duraspark module, splice more 12G red wire onto it to reach the H. btkcu aqwf vuites lawq pbukt abxho xqkfx bdxal balgsh cmhy
