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Originally Posted by harry k
 overall what i learned here is : a street / strip car with 455 to 462 ci pure pump gas up to 91-92 octane (no EMC exotic stuff) compression ratio no more than 10.5 (alluminum head)& cams up to 240 does NOT require a head more than 270 cfm to make it the best combo as we call it . |
I would agree with this - I have: 9.5-1, 462, 220cfm d-ports and run 11.90's at 3680 race weight.