Quote:
Originally Posted by Whiplash Performance
I would sell the fast 90 intake manifold and put on an ls6 manifold and get a set of 243 heads. Since the 243 heads will give you some more power with the same invested.
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Not the smartest idea you will only see 10 to 15 rwhp gain from the 243s.... keep the 241 and the fast 90. I have done many builds with a cam very similar in size my 231/236 608/608 on a 112 with 241s and a 90/90 setup makes 400 easy to the tire on a dynojet