HEI conversion benefits

70Duster340 said

I don't believe I would have room for that. Looks like a hybrid between a Mopar distributor and a GM distributor cap.

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Often true that those GM-style coil-in-cap distributors are too wide, so interfere with the firewall. Also pricey. GM changed to an external coil in 1985, using their "small cap" distributor, even though their small-block had room for a coil-in-cap.