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  1. LT1 -1993 REAL 350 ? Alum heads

    Hotrodding Basics
    Going to help kid look at a 93 Z28 LT1 ....I talk to owner of car He said it has Aluminum heads... The kid is looking to build motor up... What I lookup the Alum. heads could be # 10128374 or 5245 or 649... And that its a reverse water flow motor correct? These heads any good or needs change to...
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