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  1. #1
    Senior Member Whamhammer's Avatar
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    Sep 2010
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    Bel Air, Maryland
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    Silver
    '02 Trans Am WS-6, 6M

    LS1 crankshaft in an LS2/LS3 block?

    I know that 305 cranks shouldnt be used in a 350 because the 305 cranks are too light/lightly balanced for the 350@s heavier pistons, is this the same for the LS1 cranks for the LS2/3 blocks/pistons?

  2. #2
    Senior Member 98TransAmWs-6's Avatar
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    Apr 2010
    Location
    Alabama
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    3,625

    Black/ Silver
    98 TA WS6/ 01 C5 Corvette

    You can use any of them, you just have to have them rebalanced for the pistons and rods if putting it in a different engine than what it came in.
    1998 Trans Am WS6 - Phantom
    421 CI LQ9, Tick Performance Custom Cam, TFS 255cc LS3 heads, Kooks 2" LT headers, Kooks 3" True Duals w/ high flow cats, FTP 104 lid, Speed Density Tune, 4" silicon tube, LS6 VCT, FAST 102 Intake, NW 102 TB, Oil Catch Can, SLP Bilstein Shocks w/ Vogtland Springs, CTS-V 4-piston Calipers w/C6 Z06 rotors, Stainless Steel Brake Lines, R1 concepts premium rotors, Hawk HP+ brake pads, VFN WSQ Hood, C5-R timing chain, SLP oil pump, E85 tune, Walbro 450 fuel pump, Deatschwerkz 95# injectors, Breathless performance headlights, Frost Tune, !HVAC.
    (Coming Soon) BMR DSL, UMI TQ Arm
    421 LQ9 14.8:1 on E85 Build/

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