Thread: Rocker Shims

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  1. #1 Rocker Shims 
    GT Level Member DJNight2k's Avatar
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    anyone have a source for rocker shims to correct valvetrain geometry other than the zzp spacers for their heads? I need like .040", and I was hoping not to have to buy new pushrods. If anyone knows what kind of shim I could use under the rocker pedestal to shim it up that amount, let me know. Thanks!
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  2. #2 Re: Rocker Shims 
    Killa Bee Scottydoggs's Avatar
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    they sell "feeler gauges" at the parts store, thin sheets of metal marked with the thickness. its how were used to gap spark plugs before all the cool gap tools came out.

    these will also work on top of the spring and under the rocker arm.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  3. #3 Re: Rocker Shims 
    GXP Level Member darkhorizon's Avatar
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    anything flat will work..

    Why do you need to shim your rockers? Using LS1 valves?
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