Quote:
Originally Posted by jcw31
HP- from your post, why the exh port to carry the rpm when you have 10 degrees more exh(228 int-238 exh)on the cam? Also approx. how many cc is the int port?The reason I ask is that with a 258 int solid roller I have a 496 that peaks at 6300 (with Brodix race rite ovals).
Thanks.
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Its been a long time since I've poured a port so I can't say what they hold. For years I focused on the intake ports, I then focused on the exhaust port and found a 400 RPM increase with the same cams from my 1st design exhaust port, which really helped my combinations.