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				 upgrading Ford GT aluminum heads 
 I just read a magazine article that claimed swapping the Ford aluminum GT heads out for a pair of Air Flow Research 185cc heads on an otherwise unmodified SVO 392 crate added 75hp and mucho torque across a very broad rpm range (1500-6500 I think). Is anyone running Air flow, Edelbrock, Trick Flow, or ? heads on their SVO 392s with the original roller cam? Comments, thoughts, advice?TIA
 SPF1061
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