Hot Rod Forum banner

zz4

  1. Supercharged ZZ4 Compression questions

    Hotrodding Basics
    I have a ZZ4 Short block I am building for my truck with a Vortec blow throw supercharger with holley's super sniper EFI at 5 pounds of boost. trying to get close to 9:1 Compression to run on 91 octane. can someone help me calculate the Compression I will have with my current setup? I have...
Top