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Rocker Arms on the Ls1 trans am

This is a discussion on Rocker Arms on the Ls1 trans am within the Firebird / WS6 forums, part of the Vehicle Specific category; Hows it going everyone? I was just wondering if anybody knew what hp gains can I get out of switching ...

  1. #1
    Junior Member
    Join Date
    Feb 2015
    Burlington, Vermont

    2002 Transam Ws6

    Rocker Arms on the Ls1 trans am

    Hows it going everyone? I was just wondering if anybody knew what hp gains can I get out of switching my stock 1.7 rocker arms for 1.8 ratio? The only mods that I have on the car is a Volant cold air intake and a slp loudmouth II catback.

    My second question is what would people recommend headers or the rocker arms?

  2. #2
    Former Mopar Man 2002ssslp's Avatar
    Join Date
    Jun 2011
    Branchville, NJ

    Silver & Blue
    02 Camaro SS, 04 GTO

    Not very much, I believe it is less than 10hp at the flywheel so that's about 7 at the wheels. A good set of rockers will cost you between 300 and 500 dollars so I would put my money into a good Dyno Tune. JMO
    My ride is a 2002 Camaro SS SLP #3296 with 30k, LTH, 3" Y, CME, Frost tune, K&N, ported TB, Blackwing lid, Bellows, MSD, Denso Iridium, and 85mm MAF, Bilsteins, Eibach springs, SLP strut brace, Adj. Panhard, TA Girdle, UMI, Pro 5.0, Nitto NT555
    My wife has a 2004 GTO with the rare SAP, 18" wheels, K&N Cold Air System, MSD, Ported TB, Frost tune, Denso Iridium, Flowmaster cat-back, 3200 Yank, 75k

  3. #3
    Senior Member raynor139's Avatar
    Join Date
    Aug 2007
    Greensboro, NC

    2002 Trans Am WS6 M6

    Go full bolt on first. You will get more bang for the buck that way.
    Mods - Lid, Skip Shift Eliminator, MGW shifter, UMI SFCs, Founders Lower Control Arms, Founders Panhard Bar, Founders Adj. Torque Arm, UMI Torque arm mount, MWC Drive shaft safety loop, KONI Yellows, Strano Springs, Strano Sway bars, UMI Upper and lower A Arms, 160 thermostat, TSP headers and TSP true duals Monster stage 2 clutch, racetronix fuel pump, Strange S60 rear axle and tune by Frost.

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