help with points swap! - Chevelle Tech
Electrical & Wiring Troubleshooting electrical problems.

 
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post #1 of 5 (permalink) Old Sep 25th, 04, 2:35 PM Thread Starter
 
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I've searched the forums for this, but still unsure what year distributors will work for the swap. I have a 70 malibu with a 307. thanks for the help!!!
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post #2 of 5 (permalink) Old Sep 25th, 04, 3:06 PM
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I am not too sure what kind of swap you are doing, so here are my best guesses. Big block and small block distributors are interchangeable, so that is not a big factor. If you are interested in the electronic distributors made by GM (HEI) , you will need to get one from 1975 to 1984. The later ones require a computer connection, which is not a good idea. The computer HEI will not have a vacuum advance can, so it is easy to identify.
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post #3 of 5 (permalink) Old Sep 26th, 04, 7:41 AM Thread Starter
 
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thanks for the reply, just what I needed. I am putting in an hei. The junkyard has some chevy's with 305's in them. Would this work. Just trying to get bye for a year until new engine is built. I'd like to just bye a new cap and rotor. Thanks for the help again!!!
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post #4 of 5 (permalink) Old Sep 26th, 04, 10:33 AM
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Any junkyard HEI with a vacuum advance canister will work OK
I believe some 1982's and maybe even 1981's will not work because the ones without the V.A. are computer controled like JWagner already said.
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post #5 of 5 (permalink) Old Sep 28th, 04, 1:34 PM
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remember to regap your spark plugs after you install the HEI. They use a gap like .45 or .50 whereas points use a smaller gap like .35. Probably a good idea to totally change plugs to the type that are recommended for the year of car you get the HEI from. Also, be reminded that a HEI distributor needs a full 12 volts to it, the wire that now goes to your points distibutor is a "resistor wire" and drops voltage to 9 volts to your coil so you dont burn out the points or coil. Search HEI in this forum and in the Engine section for more info on the conversion.

Marley; 65 malibu SS /70 vette /69 cutlass
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