Quote:Quote:i think that the 906, 346, 452 heads are all about 86-88 CCs aren't they? i had never heard 81.5 I went and checked a half dozen sites, all were 81.5 cc for the 902 heads.... 3769902 1974 440 400 2.08" 1.74" 81.5cchttp://www.motortopia.com/forums/viewtop.../tp/1#post_3902
Quote:i think that the 906, 346, 452 heads are all about 86-88 CCs aren't they? i had never heard 81.5
, thats the NHRA blueprint spec . measure what you ACTUALLY have , do not believe everything you read ...