casting #s
#1
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casting #s
ok ipulled the heads from the motor for my ta and the casting is 10128374 i was wondering if these are good porting heads and what year they r off of the car was a 94 ,never kno tho right thanks
#6
i recently gasket matched a set of aluminum heads off a '97 camaro casting # 12551561,,didnt want to port the whole thing cuz im already goin to get AFRs in the next few months,,,,,,,anyway,what makes these bad heads for porting,,i never noticed that, whats the diffrence, any flow rate diffrence between the diffrent casting numbers