GT-40 intake holding me back??
Hey guys I need some advice, I have a N/A 331 with AFR 185s, comp cam xe274 .555/.565, 70mm tb, 76 ma/ 24#, 1 5/8 LT headers, 3.73 gears, and a gt-40 intake match ported to the heads. A friend of mine told me that the gt-40 intake was holding back some hp. He...