Quote:
Originally Posted by 25stevem
If they where just cleaned up they likely flow some 272 intake cfm at between .550” and .600”.
They should make you a easy 500 hp if your compression is atleast 9.5 and if your new can pick will provide you with .550” lift, which should be your target number to hit.
Those HR rockers check in at 1.6 in ratio.
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1.5 HR rockers are really 1.6?