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  1. #1
    Junior Member
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    Oct 2016
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    Brookhaven, PA
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    Rocker arm adjustment

    Ok. It appears I have a weak lifter in my 2002 WS6 Trans Am. My question is, before I go through the trouble of tearing down the engine to replace the lifters, is it possible to adjust the rocker arm on the noisy lifter? The lifter is noisy when cold, but the noise disappears when the engine comes up to fill operating temperature. Just want confirmation that this would be safe to do, as the engine warns up I don't want excessive preload on the lifter.

    Thanks,

    Shawn

  2. #2
    Spaz is My Mentor SMWS6TA's Avatar
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    Feb 2009
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    11,758

    Navy Blue Metallic
    98 T/A w/ mods, 00 FBVert

    Rocker arm adjustment

    no, rockers are non adjustable.
    http://www.ls1.com/forums/f7/my-6-liter-build-174257/

    http://www.ls1.com/forums/f8/my-8-8-rear-build-165553/

    6.0L Block - Forged 403ci , Polluter Stg3 Cam, FAST 102mm Intake, NW102 TB, MSD wires, NGK TR6 plugs, Truck Coil Packs, LS3 Fuel Injectors, CC Pacesetter LT Headers, TS&P ORY, QTP e-Cutout, Magnaflow Muffler, 104mm Air Lid & Line Lock, Catch Can, Stage 2 T56 w/Viper shaft, PRO 5.0 Shifter, Tick MC, SPEC Stg3+ Clutch, QT SFI BH, MWC DSL, Full UMI Performance Suspension, Belstein Shocks, Hotchkis Springs (1" Drop), YR1 Snowflake Wheels wrapped in NT555 tires & Custom Fab Ford 8.8 rear w/Wavetrac Diff 3.73 Yukon Gears, WSQ Hood, 3"CM Strange Eng Drive Shaft.

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  3. #3
    Veteran 0rion's Avatar
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    Aug 2005
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    ohio
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    22,554

    98 Formula
    06 duramax

    sure it's a lifter and not piston slap? LS motors are famous for piston slap. 2 pretty distinct sounds though. Lifters will be more of a tap and piston slap is deeper and louder.
    Quote Originally Posted by Mean Green Z28 View Post
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