The Swap

That is the DuraSpark distributor, and is correct. That box will NOT work. DuraSpark uses a magnetic pickup, so you have to use a MSD 6 or similar ignition box from Mallory, etc. Or just use the GM HEI module, cheaper and still way better than points.
 
Looks like that dizzy has a second vac port, but I think it can be blocked off. Try Summit for an ignition box-they have their own brand that I just installed in my buddies charger this summer. Works well,costs less and came with very good instructions. That being said, I have the gm module in mine and it croaked a few blocks from my house this year. Towed it home, ran up to autozoo and had it running in 15 minutes-try that with an ignition box!
 
JOHN G":2nsnqa53 said:
Looks like that dizzy has a second vac port, but I think it can be blocked off. Try Summit for an ignition box-they have their own brand that I just installed in my buddies charger this summer. Works well,costs less and came with very good instructions. That being said, I have the gm module in mine and it croaked a few blocks from my house this year. Towed it home, ran up to autozoo and had it running in 15 minutes-try that with an ignition box!

The price for the Summit box is more expensive than this one, and doesn't have a rev limiter. They are pretty similar except for that. IIRC Mallory makes Summit's ignition boxes.
 
MSD 6a or Mallory HyFire 6a just about the same thing...I think the Mallory is a little less expensive but a good buy on either can usually be had on eBay.
 
I have an MSD 6al( just like the 6a but with a rev limiter chip) that I am willing to sell. PM me
 
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