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Blue Rat · 06-04-2011, 11:22 AM

I do not know what heads you have on the 396 right now. If you do have the small port heads an the small valves. Then it is not going to pull right past about 4500 rpm's. You would be much better off with a set of decent heads.

06-04-2011, 11:22 AM	#10
Blue Rat Registered User Join Date: Dec 2010 Location: Arkansas Posts: 608	Re: building a 69 396 I do not know what heads you have on the 396 right now. If you do have the small port heads an the small valves. Then it is not going to pull right past about 4500 rpm's. You would be much better off with a set of decent heads.