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Old 12-15-2021, 04:06 PM
65sport 65sport is offline
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Join Date: Oct 2016
Posts: 201
Default HEI large cap vs small cap with Pertronix, EP4B intake manifold.

1. Will an HEI clear an EP4B ? (64 Pontiac engine).

2. If it won't, will the small cap distributor allow enough mechanical/vacuum advance combined without slipping out of phase on a low compression engine tuned for city, highway or some spirited occasions.?

I would prefer to run the HEI, but would like to know if it'll clear before I buy it. I've heard the old P4B's (65 and up) would not.
But the EP4B is a lower profile manifold.

Thanks in advance (pun intended).