Duraspark 1 Vs 2
gear will eat a cast camshaft gear. The stock Pinto 2. One of easiest ways to increase the efficiency of the ignition system on your Sixties or early Seventies muscle car is by converting to electronic ignition. But if it’s a race engine with compression ratios of 13 or 14 or 15:1, with 0. The units are well built, look nice and install easy. 85 ohms to 2. IGNITION SYSTEM - TFI-IV 1987 Lincoln Mark VII 1983-88 ELECTRICAL Ford Motor Co. Autorestomod Manic Mechanic Gasoline. I found someone with a good running 302 and transmission but its fuel injected. · Clifford 6-1 headers with 2in exhaust and Dynomax muffler (installed in the V8 location) · Duraspark 2 Electronic Distributor with MSD Flamethrower coil. This truck was restored in 2017-2018 and the love it has been given shows. Since there is a slight chance that Accel might know something about their coils that I don’t, I’ve decided to add a 1. Ignition, Charging & Starting Parts Interchange for Small-Block Ford The small-block Ford's ignition, charging, and starting systems evolved considerably between 1962 and 2001. 5 months very disappointed overall we need help. Silicone vs. i plan to hook it up to an msd 6a box without the ignition module. The fix for this is a 2nd dowel pin. I've had very good results this way. The springs, retainers and locks are all common between the 2. The crankshaft-to-oil-pan scraper should have a 1/16- to 1/8-inch clearance. the last 2 units have left me stranded without warning. Two Pertonix units are available, Pertronix 1 and Pertronix 2. 4 1/2" wide on the 82 and up cars. The bad thing is with the 81 Ford decided to use computers and not the duraspark ignition. The DuraSpark-I and DuraSpark-II were produced concurrently, with the DS-I being designed to help meet California emissions and mileage requirements, and the DS-II for less-rigid 49-state use. 8L engine in the Bronco II is the same design as the 2. The 1994-5 Mustang and all Explorers use a unique front cover and water pump. One thing to note is the magnetic pick up in the distributor is the same as an MSD or Ford Duraspark easy to find at any auto parts store should you have a problem on the road. MegaSquirt for vintage Mopar ignitions If you haven't already, please read the 'disclaimer' at the top of the parent page here. Refer to the TRC-2 supplement start-ing on page 21 for. gear will eat a cast camshaft gear. This should be a tight fit as this will be part of the seal for the connector. 8 and the 2. Disconnect and plug the vacuum hoses to the dist if you have any and leave them plugged permanently or until further notice. What is the difference between 9mm and 8mm plug wires? The vehicle in question has a 1981 Ford 302 V8 with a 2-bbl carburetor and has the Duraspark ignition. 0 HO has a 50 oz. 8mm plug wires Showing 1-73 of 73 messages. Disconnect the MSD White trigger wire from the distributor. i just want to make sure they are basiclly the same thing and wont give me any problems. 2 Install an E-Force Supercharger Part 1 Install an E-Force Supercharger Part 2 Install an E-Force Supercharger Part 3 Install an E-Force Supercharger Part 4. This service harness was designed to allow for easy installation of Ford's Duraspark II system with one of our Classic Update kits. The 1967 Mustang GT was a special options package which could be added to any of the V8 engine offerings in 1967 with dual exhaust. The ignition coil turns the 12 volts from the battery into the high voltage needed to fire the spark plugs. AMC had redesigned its inline OHV engines for its 1964 cars, shifting to a 7‐main bearing design. Read honest and unbiased product reviews from our users. A Duraspark 2 module with blue grommet will provide about 5° retard. The Duraspark is just as good though. With careful selection of intake (a low rise performer) and air cleaner (drop base 2"or 3" element) there are no hood clearance problems. This is the largest dating site in the world, generating over 300,000 relationships a year, larger than all other free dating services combined. The units are well built, look nice and install easy. Bang for the buck, the Duraspark II distributor is hard to beat as a triggering devise for an electronic ignition system. i bought a duraspark one a while back and want to install. Pre-EFI Jeep ® Inline Six Cylinder Ignition Upgrades Kaiser's Jeep® Corporation dropped civilian use of the OHC 230 six‐cylinder engine in 1965 and opted for American Motors' engines. 5 pistons are similar to the 2. 0L HO engines as well. Easy to adjust spark curve and centrifugal advance. AMC had redesigned its inline OHV engines for its 1964 cars, shifting to a 7‐main bearing design. from Autozone for around 50. When using power adders, the timing should be advanced accordingly. This will put the distributor reference at less than 1 volt. com FREE DELIVERY possible on eligible purchases. We are using Duraspark 2 ignition. In the following pictures we will walk you through the process of what we did , total time was about an hour. I don't have that chart in front of me, but as I recall the first year the 302 was produced was 1968, and that year had 225-250 HP. Ignition Control. The old Autolite 1100 1bbl carbs (flowing 180 cfm) had some serious issues. I used the pertronix 1 in my 64 comet and have had no problems at all, I think that which ever one you use, use there coil and new wires and a good quality cap and rotor and maybe add a little more gap on the plugs. Had to do it that way because of the compression. 3L OHC (Turbo-Intercooled) 2. Like the Ford Duracrap modules, the HEI modules probably had issues the first year or two after release. Remove reluctor from upper advance shaft. Ford Ranger 2. The “Second Strike” is a microcontroller based ignition supplement that works with most inductive type systems (FBO HR688 and A688, GM HEI, Chrysler ECU, Ford TFI and Duraspark, Ignitor and Ignitor II). I've had very good results this way. We are swapping out the original fuel injected 3. 2 Install an E-Force Supercharger Part 1 Install an E-Force Supercharger Part 2 Install an E-Force Supercharger Part 3 Install an E-Force Supercharger Part 4. Admittedly, this description does not include everyone. 8mm plug wires Showing 1-73 of 73 messages. its about 7 1/2 inches long by 1/4 hex. Other features included; grille mounted fog lamps, power front disc brakes, F70x14 tires, GT gas cap, the 1967 Handling Package, rocker panel stripe, and a GT emblem. There are a few things I am in need of: 1. When doing 55-60 and I punched it, I noticed the jolt into the seat. 0 liter Windsor V-8 was the only 5-liter V8 engine on offer; diesel and straight-six engines were also available. Silicone vs. Engine idle felt more free, like a sewing machine running calmly. I have also installed heat shrink tubing over the stop post to limit timing advance. pros and cons of running /not running vacuum advance. Ya le cambie la bobina y lo sigue haciendo. Do a search on the different Mustang forums, lots of information there. On Fords each side is stamped with a number, usually 10L and 13L; or some have 15L and 18L. 8mm plug wires Showing 1-73 of 73 messages. Eng W/Out Feedback Valve: YFA: ND 1526: 1982-84: All Trans: 2. 0 to go with the Duraspark. I don't have that chart in front of me, but as I recall the first year the 302 was produced was 1968, and that year had 225-250 HP. has the small cap. I am an ASE L1 certified Master Technician with 25+ years of experience in the field and 17+ years teaching at Rosedale Technical College in Pittsburgh, Pa. A yellow grommet module, with both stages activated, provides about 6° (4°+2°). The only cost-effective 8mm wires are from Accel, and Ford Racing has a set of 9mm wires for the same price. 4 1/2" wide on the 82 and up cars. Duraspark II is an advanced form of Duraspark I, more tied to engine function. There are a few things I am in need of: 1. Holley just brought EFI within range - introducing Sniper EFI! It’s economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride!. 1978 Fairmont 2 door sedan, 428CJ 4speed. There are more but they all have the same part number. Last Modified: 04/02/2014. Just incase you forgot, the firing order is 1-5-3-6-2-4. Performance Distributors Dyna-Module and Inferno Coil for DURASPARK (IDI) As discussed in the section on CDI vs. Ok the hei will need to be recurved for use in a amc motor,the vacc advance isnt adjustable but a adjustable vacc can is avalible. its about 7 1/2 inches long by 1/4 hex. It can be used with both the large cap and small cap early electronic distributors. This coating also cannot be exposed to direct heat or flames as it will cause the paint to crack and peel off. all units I have used have been aftermarket parts store variety, mostly Standard Motor Products LX-235 I currently have 1 NOS Mopar unit that is currently in the truck. They are both wired the same. Noticed goop on fender well from duraspark ignition module. 19" intake & 1. Out with the old, and in with the new!! One day while minding my own business I came across a rolled t-bird with a newly rebuilt engine. From 1983 to 1988, it had a 9-to-1 compression ratio, which increased in 1990 to 9. This article refers to the Duraspark II control module with a BLUE strain relief bushing, one 4-pin connector, and one 2-pin connector. When a magnetic force is induced (not blocked by the shield) the transistor is in its "on" state and voltage passes through the transistor. Hi Jeff, I have a question that no one can seem to answer. Engine idle felt more free, like a sewing machine running calmly. For this reason, we don't recommend this product for that application. 500 edel carb, 1. Two Pertonix units are available, Pertronix 1 and Pertronix 2. The white wire connection is not absolutely necessary, but it's function is to energize the "retard while starting" function of the Duraspark II module. A drawback to the Duraspark II is it will not fit the 144 nor the early 170ci inline 6. Petroleum Grease. A- Autolite 1- BTDC - Before top dead center 2 - D- Drive 3 - If A/C, A/C switch turned to "Full on" position. 65" versus 2. I bought the dist. What do you guys think? I believe the idea behind a Duraspark conversion is: 1) to eliminate points 2) to eliminate crossover by utilizing the larger cap. The Ford Duraspark we offer is a high performance unit for those who want a completely stock appearing or factory style electronic distributor. Find helpful customer reviews and review ratings for MSD Ignition 6425 6AL Ignition Control Box at Amazon. 0L High Output Sequential Electronic Fuel Injection (SEFI) in 1986 with 62- to 65-cc "High-Swirl" chambers and 200 hp on tap. Most HEIs have a ridiculous. Duraspark I vs. If you want all the premium wiring diagrams that are available for your vehicle that are accessible on-line right now - WIRING DIAGRAMS for just $19. I appreciate any advice!. Step 2 Mark reluctor position as there are two slots. If you got a code 14, the computer already diagnosed a bad or failing pip sensor. Some parts probably had no possible downside - such as wider distributor caps. 1981 ford truck 351w has a dura spark 1 ignition system what dist do i need to convert to a duraspark 3 - Answered by a verified Ford Mechanic. The only cost-effective 8mm wires are from Accel, and Ford Racing has a set of 9mm wires for the same price. There is a 12v terminal on the back of the tach that will now need to go to a switched source (ignition switch) and there is a ground terminal on the tach. also what kind of wires do you guys run with the msd i think i need to go bigger then 7. the hei is only one wire and very easy to install. This is a Free Dating Service. I Durasparked my '84 Ford Ranger with a Pinto vacuum advance distributor, and a GM HEI ignition module. 0L-2V small-block in a Mustang II with the Motorcraft 2150 emissions 2-barrel carburetor and Duraspark ignition. I’m pulling the 221 V8 and 2 speed auto out of my ‘62 Meteor. Each Duraspark Electronic Distributor is custom calibrated on a distributor machine and blueprinted for your Ford engine to provide maximum power, torque and instant throttle response. A 2 bl carb will bolt right up. 10 gearing, weighing in at just over 5K pounds. I gained about 2 MPG and better all around performance. Start at the spark plugs, and work your way back to the distributor. HOLLEY 1946 1 BARREL. Its easy to hook up ,just splice into 2 wires. Short your probes together and see what the meter reads You cannot "short" a ballast to less than it was originally built. Bang for the buck, the Duraspark II distributor is hard to beat as a triggering devise for an electronic ignition system. 8L) cubic inch engines. I've had very good results this way. 65" versus 2. any help is appreciated. Any thoughts? Matt. The parts are cheap and plentiful, considering the number of vintage cars with this engine (302 or 351), and the Duraspark III ignitions are strong enough to fire consistantly to about 6000 RPM. Usually at 60mph, the car would still have some pull, but this was a lurch and a jolt. When I started to look in to the Duraspark Ignition Module, I realized that they are not reliable and there are other options. codes a misfire on cylinder 3 had all new spark plugs installed and it seemed to correct the problem for one month now getting misfire on cylinder 4 now its running rough again this will be the 5th time in 3 months this vehicle will be in the shop we`ve only had it for 3. 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - Duraspark VS Duraspark II - Hello All, I have an 86 F250 equipped with the 460. Plus, when you want to step up to a higher quality ignition box (ala Hi6 or 6AL, etc), the Duraspark distributor is a piece of cake to hook up. 10 gearing, weighing in at just over 5K pounds. Zf Marine Bw 255, 0501 305 295, Transmission Oil Cooler Heat Exchanger End Cap Zf Marine - $1,895. The Duraspark II is a Ford electronic ignition system. 2 Drill a 1-1/4" (1. When buying a Duraspark II distributor, get the single port vacuum advance model. Jay67fast. 35 ohm wire, confirmed with the electrical test in this thread and the JEEPFORUMS help. Step 8 After complete reassembly of your distributor. Cranking (starting) may be slow and jerky, especially when the engine is warm. Ford DuraSpark electronic ignition was introduced in 1975 on all big-block Fords and used until SEFI was introduced on the 460 in the 1980s. any help is appreciated. besides use the search button. When doing 55-60 and I punched it, I noticed the jolt into the seat. Dedicated to creating and distributing bold and inventive stories, AMC Networks owns and operates several of the most popular brands in television and film including AMC, BBC AMERICA, IFC, SundanceTV, WE tv, IFC Films, Sundance Now, Shudder, AMC Studios, and AMC Networks International. I also have a spare 1978 Coil & Dissy and that coil complete with bracket does not have a capacitor either. The resistor wire provided the 1. One thing to note is the magnetic pick up in the distributor is the same as an MSD or Ford Duraspark easy to find at any auto parts store should you have a problem on the road. If you are converting a 79-81 car the cross-member mounts on the frame are only 2 3/4" wide vs. Price point for what you get it great. Free next day delivery available. Otra cosa es que cuando introduce la llave, el primer toque se tranca, luego se le quita y puedo encender. I bought the dist. No significant changes were made in the design. Specifically, this auto part manages the secondary voltage transfer that burns the fuel the vehicle requires to operate. Sounds weird, but I noticed a difference at idle. , Kenilworth, NJ, USA (the “company”) includes “forward-looking statements” within the meaning of the safe harbor provisions of the United States Private Securities Litigation Reform Act of 1995. Duraspark wiring diagram. Set-up and install was simple, just follow the directions and you can get it up and running really easy. Ford Connectors and Sockets These are Ford OEM aftermarket replacement connectors and sockets such as head lights, oxygen sensors, throttle body sensors, tail lights, and more. Includes complete installation instructions. An optional TRC-2 Timing Retard Control module (6000-6425) is required to make use of the timing retard capability. Duraspark II electronic ignition was used on 1977 to 1984 Ford V-8 passenger car and light truck engines. The units are well built, look nice and install easy. Valve size is slightly larger (2. · Clifford 6-1 headers with 2in exhaust and Dynomax muffler (installed in the V8 location) · Duraspark 2 Electronic Distributor with MSD Flamethrower coil. Most HEIs have a ridiculous. All seven MSD treatment plants receive Peak Performance Awards, including highest honors for 10 years of perfect environmental compliance at Fenton and Lower Meramec. August 8, 2018 14:06: Fabricated Small Block Chevy Valve Covers posted by CC1982Z-28 These valve covers came off my 406 and the emblems can be taken off since they are stick on. 1) What type of proper electrical connector is supposed to be used on those terminals? Or do you simple wrap exposed wires around the posts? 2) Does this coil require an external ballast resistor?. 0 HO has a 50 oz. Ford Motor Company began using electronic ignitions in 1973 with the Duraspark electronic ignition system and introduced the Duraspark II system in 1976. 35 Ohm ignition resistor. This is because they are a wire wound resistance. AMC had redesigned its inline OHV engines for its 1964 cars, shifting to a 7‐main bearing design. That depends upon a few things Some Duraspark systems do not have a white retard wire. com that has been going on for about 4 years now. Launched in May 1972, the BMW 3. (Scroll down for photos of it as a crate engine). With the engine idling, advance the timing 4 degrees. 9 heads, and should be replaced. 1)Obviously there is a difference otherwise they would not have changed the name right? Well what are the differences between duraspark I and duraspark II? 2)Is the duraspark II better? 3)Why does everybody say get the duraspark II? TIA rhyno9. There are 2 fallacies regarding HEI ignitions like I am installing: 1. These numbers refer to 1/2 of the total degrees of timing that will be obtained when using that arm. i just want to make sure they are basiclly the same thing and wont give me any problems. Bosch Ignition Coil Packs feature a sturdy design as well as excellent mechanical stability, corrosion protection & scalable spark energy for an improved fuel economy. 2cr, AFR 185 heads, Comp XE 268 flat tappet, 680 cfm Quick Fuel carb. 0 with Steel Gear which cost $50 at Autozone. I bought the dist. Hola José tengo un toyota corolla 97, el problema es que prende bien, y despues de 1/2 hora corriendo comienza a dar tirone hasta que se apaga y ya no quiere prender mas. GM HEI Distributor Upgrade for 258 I6 Jeeps: Jeep : Since 1975, General Motors has addressed the needs for efficient combustion with its High-Energy stock 79 & later Jeeps with the Duraspark. 500 edel carb, 1. Duraspark II is an advanced form of Duraspark I, more tied to engine function. 2 main board. It has a 302 in it and a duraspark ignition system. Page 1 of 5: How to Test the Ford Ignition Control Module (Fender Mounted). 35 Ohm ignition resistor. (Scroll down for photos of it as a crate engine). The 1994 to 1997 engines had a 9. The circuit board is completely immersed in the plastic seal. I am an electronics tech and I have a question. When I started to look in to the Duraspark Ignition Module, I realized that they are not reliable and there are other options. My girlfriends dad just bought me a duraspark ignition I think its a 1. (Extra Dwell) Dyna-Mod features a higher electronic dwell setting over a stock module plus a built-in rev limiter. Ignition Control. If that's not you then don't worry--we've got you covered. General Motors engine compartment connectors. When I came upon your post, it hit that I already have 2 original GM and 1 after market 8-PIN HEI Module and 1 HEI Coil. 25") hole near the fuse block for engine and headlight group wires to pass through (ENGINE SECTION, ENGINE SECTION A, SINGLE 10 GA. I bought the dist. Another reason I chose the HEI is due to the easy 1 wire hook up (or 2 wire if you have a tach) and the elimination of the pesky ignition module, the coil and my anemic Ford distributor. For your budget V-8, we suggest the original Duraspark I. 2cr, AFR 185 heads, Comp XE 268 flat tappet, 680 cfm Quick Fuel carb. any help is appreciated. Finally, if running an engine with a compression ratio above 10. The dwell time here is roughly 3:1 (8ms vs 24 ms. 00 (you gotta start somewhere). Overheating is a common indicator that you could be having an ignition module problem. You stated, "you are kind of stuck in a hard spot with the Duraspark UNLESS YOU CAN GET IT TIMED CORRECTLY". Duraspark wiring diagram. The resistor wire provided the 1. The 86 Ford F150 came off the line in the XL, XLT, and XLT Lariat. 2 main board. 040in even as high as. 2cr, AFR 185 heads, Comp XE 268 flat tappet, 680 cfm Quick Fuel carb. The bad thing is with the 81 Ford decided to use computers and not the duraspark ignition. If you don't know of other forums, let me know, I can set you up. Easy to adjust spark curve and centrifugal advance. MegaSquirt for vintage Mopar ignitions If you haven't already, please read the 'disclaimer' at the top of the parent page here. I recall writing in a previous post that the 6 and 8 Duraspark modules were probably the same, and IIRC was corrected. The LiveWires come with a tube of dielectric grease to keep the boots from sticking to the spark plugs. This should be a tight fit as this will be part of the seal for the connector. The 1967 Mustang GT was a special options package which could be added to any of the V8 engine offerings in 1967 with dual exhaust. Another reason I chose the HEI is due to the easy 1 wire hook up (or 2 wire if you have a tach) and the elimination of the pesky ignition module, the coil and my anemic Ford distributor. In addition to the wider cap, DURASPARK II uses an improved external control box over the control box offered with DURASPARK I. The BLACK wire going to the distributor is its only source of Ground. Is this a pretty straightfoward swap??? thanks for the help William. A drawback to the Duraspark II is it will not fit the 144 nor the early 170ci inline 6. I put a duraspark ignition on my 302 in my 66 stang. Route engine and headlight group wires through the. Use two prybars or large screwdrivers and Do Not pry on the teeth but rather the beefy portion of the reluctor near the center shaft. I believe the red grommet module also has retard, but I don't have any information on them. that line has two functions, 1. When cranking the engine, the module actually retards the spark so the engine can crank easier. The ignition coil turns the 12 volts from the battery into the high voltage needed to fire the spark plugs. 8 in my son's 86 LX with a carbed 302. This low voltage system (1. Re: Recurve distributor DURASPARK-2 I did this light spring mod on my 69 351w stoked to 393ci, 10. i pulled mine out of the 88 5. GM HEI distributor for an AMC V8. We provide genuine Original Equipment Manufacturer (OEM), rebuilt, and new aftermarket components for domestic and imported passenger cars and trucks. 35 Ohm ignition resistor. Ignition modules that are overheating will soon completely cease to function and in the meantime can cause cause electrical shorts, engine stuttering, lower gas mileage, power loss, stalling, and gasoline odors in the exhaust. Engine idle felt more free, like a sewing machine running calmly. in my 84 f250 the stock ignition is a duraspark. You could also use a closed bowl TFI-IV module. Post Sep 20, 2018 #1 2018-09-20T14:58. 2 Tried starting my old 81 ford f350 box truck,but turns over won't start,has gas,tried staring fluid etc. The crankshaft-to-oil-pan scraper should have a 1/16- to 1/8-inch clearance. They happened to be some nice 8mm wires and they worked perfectly on my 258. My questions is regarding availability of replacement parts for the HEI vs the Duraspark. This is the largest dating site in the world, generating over 300,000 relationships a year, larger than all other free dating services combined. So, what you are seeing is normal, I would expect the cam gear to show some minor wear, but not enough to see looking down the dist. Disconnect and plug the vacuum hoses to the dist if you have any and leave them plugged permanently or until further notice. Bunting Bearings manufactures a complete range of cast products including bronze, powdered metal and plastic bearings, bars, discs and plates. GM HEI distributor for an AMC V8. The famous double-hump cross-member can be found in any '86 and up V8 Mustang. i cant find anything out there that is 1/2 longer. 2 main board. Duraspark is different, but on my V8s, the Duraspark stuff has been bulletproof. 6 liter (code W) The 1600cc (97. 24ET @128 MPH. An 81 is a throttle body fuel injection. A yellow grommet module, with both stages activated, provides about 6° (4°+2°). The Jeep 150 cubic inch four-cylinder engine was introduced by AMC in 1982, for the 1983 model year. Every HEI I have owned, about 3 or 4, has just quit dead in the middle of the road on me. Remove reluctor from upper advance shaft. The BLACK wire going to the distributor is its only source of Ground. If you are converting a 79-81 car the cross-member mounts on the frame are only 2 3/4" wide vs. The EPM easily adapts to any positive-drive, half-engine speed device such as a cam or distributor drive, and can be used with any aftermarket engine management system that recognizes a 12-tooth crank 1-tooth cam pattern. Designed for 67-68 models with the 'slide' switch, it also works on all 67-73 models with 2 speed wipers. Spark plug gaps were widened to take advantage of the heightened current and to prolong spark plug life. I still have my wiring diagrams from when I rewired my car with a painless kit about 5 years ago with the Duraspark setup. Disconnect the MSD White trigger wire from the distributor. It also shows a 258 with HEI Dist that was starting to chew up the cam/cam gear Jan 30 2012 on post #107. How do I determine what rpms the total timing stops at? The springs? Heavier springs vs lighter springs?. i pulled mine out of the 88 5. The greatest engineering achievements in these areas were Duraspark electronic ignition and the solid-state charging systems in the 1970s and 1980s. Is there any difference between a 1 or 2??? with a one can I still run a diffenent coil like accell from my local autoparts store??? Detailed instructions on how to put this in will be greatly appreciated. The Duraspark II system was never implemented in Jeep Ignition Systems. 4 -Without Thermactor Emission System 5-With Thermactor Emission System 6 - With Thermactor Emission System. It is a good idea to install fresh springs to help reduce valve float. Car and Truck Distributors and Parts. Thank you for your response! Rust-Oleum Automotive Sandable Primer Spray is suitable for surfaces that will not exceed 200ºF. , Kenilworth, NJ, USA. I recall writing in a previous post that the 6 and 8 Duraspark modules were probably the same, and IIRC was corrected. Re: HEI Upgrade for 1977 CJ5 258 Heres the best bit of info I can give you on a HEI. So of course, it started with a Chevy small block and was successful. 3 Ford Duraspark Convert to Points Ignition. The seal is directional and the ribbed end should face away from the end of the wire. The "FE" series big-blocks enjoy a large selection of cylinder head choices.