Quote:
Originally Posted by cadillac_al
It is a pretty hot engine. I have never had to tune an engine with a rowdy cam like this. That must be the problem here. That performer RPM isn't an air gap is it? Since the carbs aren't making a difference I think I would plunk down $50 and try a Skip White Distributor for the heck of it. Good luck.
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I put a new intake manifold from Trick Flow which is an air gap type. It did not change this misfire issue. I did try the old HEI cap that was in the old 327. No difference. I did not change the bottom half of the distributor, but I'm not sure how that could produce this problem.