Ignition Upgrade

Discussion in 'Technical' started by Bubba Bob, Nov 26, 2008.

  1. Bubba Bob

    Bubba Bob Member

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    Im trying to upgrade my 200' to an electronic type ignition. I got a junk yard dizzy, new rotor, cap and the GM HEI ignition module. Can I reuse my stock coil & wire?
     
  2. ratio411

    ratio411 Member

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    Rather than trying to hybrid all sorts of parts together, why not just get the Duraspark system out of a donor car?
     
  3. Bubba Bob

    Bubba Bob Member

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    Because I called every yard in a 50 mile radius and no one had a donor car. Only one had a pile of distributors that I was able to pick through and find the one I needed.

    Besides, Ive got everything I need... Maybe minus the coil...

    EDIT:

    Anyway, Im only looking at $45 total + plug wires + coil?
     
  4. ratio411

    ratio411 Member

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    You need a coil made for electronic ignition.

    Your local parts store will have both coil and Ford Duraspark module.
     
  5. Bubba Bob

    Bubba Bob Member

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    Thank You.

    What For? :hmmm:
     
  6. markso125

    markso125 Member

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    he is trying to do this

    http://www.bronco.com/cms/node/25
     
  7. 302mav76

    302mav76 Isaac Serna

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    At school we made an ignition with a Ford dizzy, a Duraspark II module and different coils (Ford, Chrysler, Chevy and VW). We tested the coils and the one that hit the hardest was the Chevy coil. The setup worked great, but we didn't test it on an engine.
     
  8. baddad457

    baddad457 Member

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    They will also have freshly remanufactured Duraspark distributors in stock too. :thumbs2: No need to dig thru a pile of cores in a junkyard. :D
     
  9. Jamie Miles

    Jamie Miles the road warrior

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    My hybrid Chevy HEI/Durapsark II ignition ran great for like 35,000 miles. I ran a TFI coil for a '89 F350 with a 460..

    That same ignition is now on my 302 powered '75 Fiat Spider, and still works great.
     
  10. Bubba Bob

    Bubba Bob Member

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    How did you have yours wired?

    I split the ignition wire off into two, and ran one to the coil and one to the GM computer. Im gettin no fire at all.

    Did you hook it up direct or run a relay?
     
  11. Jamie Miles

    Jamie Miles the road warrior

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    What do you mean by ignition wire? What did you split it off from?

    Below is a pic of how I have mine wired. Remember that the module needs to be mounted on a heat sink. I had mine mounted on an old computer processor heat sink with a little thermal paste between it and the heat sink. I was powering the module and coil directly off the battery through a relay that was triggered by the original power wire to the coil.
     

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  12. ratio411

    ratio411 Member

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    Yeah, I am familiar with that, and figured as much.
    I was just pointing out that you can get all the parts to do it the easy way. There is no realistic gain doing this to an I6. You can just plug-n-play the stock parts.
     
  13. Bubba Bob

    Bubba Bob Member

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    I meant the original power wire. Ive been told you could connect it directly to the module & coil and it'd work. However, I don't think that supplies near enough power...

    Ill rig it up with a relay in the mornin... Hopefully that's the problem.

    Other than the monetary one...
     
  14. markso125

    markso125 Member

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  15. Jamie Miles

    Jamie Miles the road warrior

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    How do you valuate how much money your time is worth? If that equation is really true, then we better all get rid of our Mavericks and start working on cars that are worth more, else we're just wasting our money! :rofl2:

    I had about 30 bucks and 2 hours installation time in my HEI ignition system, used junkyard parts, and it did (and still does) work perfectly fine. You can find perfectly good parts at the junkyard. I bought the distributor that's in my '72 at a junkyard. The thing looked practically brand new, and still works fine 50,000 miles later. Maybe it took 2 or 3 more hours looking around at the junkyard, vs. just running down to the local auto parts store, but hey it was time that probably would have otherwise been spent in an even less productive way, and I just saved 110 bucks..

    Also, even with all factory Duraspark parts, there is still nothing plug and play about it when you are installing it in a car that originally had points. The wiring is going to be about the same no matter which way you go, except that the GM module requires 2 wires less.
     
    Last edited: Nov 28, 2008

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