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You should be able to port match the Performer to the heads...but you still have the problem of an intake limiting the heads. The rpm range of the cj heads really starts about 2500 rpm. This is why I used Police Interceptor heads. It seems the best way out would be to use the intake best matched to the driving you do, than modify the scoop to fit...how good is your 'glass work? 
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"I think we have more machinery of government than is necessary, too many parasites living on the labor of the industrious." Thomas Jefferson
Last edited by 427sharpe; 12-16-2001 at 07:21 AM..
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