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how much horsepower

This is a discussion on how much horsepower within the General Help forums, part of the LSx Technical Help Section category; Hey guys - I'm gunna get my car dynoed to get the real #s but i was wondering how much ...

  1. #1
    Awaiting Activation
    Join Date
    Mar 2006
    LS1 land

    how much horsepower

    Hey guys - I'm gunna get my car dynoed to get the real #s but i was wondering how much power you think i have.

    My car is a '99 Z28 6spd with 74k. It has FRA, K&N, SLP lid, SLP 85mm MAF, Smooth Bellows, and borla exhaust. What is my RWHP and what would that mean at the crank.

  2. #2
    Join Date
    Jun 2006
    Bakersfield, California

    1959 corvette

    MAYBE 320-325 at the rear, MAYBE, you need headers and y pipe

  3. #3
    386HP 373TQ jwindbigler's Avatar
    Join Date
    Dec 2005
    San Diego...Michigan originally

    1999 Trans Am 5.7L

    typically what people use is about a 16% drivetrain loss. obviously, with lighter wheels, and driveshaft, those numbers will be reduced. So if you are putting down about 320 to the ground, then that means that you are between 350-360 at the crank. hope this helps

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