1969 z 302
I just acquired a 1969 Z28 car born with 302 DZ motor I have a question about cylinder heads has anybody ever heard of a 3947041 it's dated d17 of 9 the other head a 3927186 dated d25 of 9 and their factory DZ block is dated d18 of 9 the motor is all original do you think the head was replaced or would it come factory 202 with a 3947041 head everything else on the motor carburetor distributor alternator radiator trans rear everything's been untouched
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1968 ChevyII 396 375,1969 Camaro 396 375 survivor , 1969 Dynamotion Copo Camaro,1968 L 79 ChevyII ,1969 Camaro 427 ratsness ,1967 Chevelle L79
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