[QUOTE=HP HUNTER;531873]
Quote:
Originally Posted by Jim Hanig
1971 Buick 455 403 intake, I've done extensive flow testing and dyno testing with this intake bolted to my 661/149 455 heads. I've also tested the 1970 low rise BBC intake on the dyno and flow bench, this intake unmodified made 532 HP on my 9.3 compression 467 with a 228 @ .050 cam with ported peanut port heads. I feel the the BBC intake has more cross section which shows by the feet per second.
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It may have more cross section but the Buick is bigger in volume ill bet.