Hot Rod Forum banner

chevy sbc

  1. 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...