Re: How to tell if I have an HEI distributor?
Stick a Pertronix in a factory or repro small body housing. Even with a stock coil it'll be plenty for non-supercharged applications, particularly if you're under 11:1 compression, which I presume you must be.
I have the Ignitor III in my 402 and the Ignitor II in my 502, both are great. The III causes problems with some repro tachs, but I borrowed and then bought a unit that appears to work with the III as well (random luck,I think).
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1970 GMC Sierra Grande Custom Camper - Built, not Bought
1969 Pontiac 2+2 427/390 4-speed Coupe
1969 Pontiac 2+2 427/390 4-speed Convertible
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