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Thread: 555 - 898 hp on pump gas

  1. #1
    Senior Member SENIOR BUILDER
    Join Date
    Oct 2004
    Woodbridge, VA

    555 - 898 hp on pump gas

    don't have all the details yet, ..

    but a customer built a 555 pump gas engine, made 898 on an honest dyno, .
    rfd 24º heads, super vic intake, ..

    also have a 605 in Australia that made 900+ same combo, ..

    Race Flow Development
    Simultaneous 5-axis CNC Porting

  2. #2
    Outstanding! I also run big inch pump gas motors and Iam just a bracket racer without a dyno. I want to make my 565 run like that on pump gas! Would that cam be hard on valves springs??

  3. #3
    Senior Member MASTER BUILDER
    Join Date
    Dec 2004
    out of my mind in Kalamazoo, MI

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