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Couple things 6600 RPM For an every day motor? Things get real heavy as we know after 4500 RPM
Second the Dished Pistons are a good idea considering the crappy Chambers in a Chevy BB head! The 11:1 and the 6600 Rating verses say 5600 Make some sense now the last thousand RPM =500 Extra power pulses. but ¾” Valve Lift ? 91 Octane ? |
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