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Thread: compression

  1. 01-26-2013, 11:37 AM #1
    ponyslayer
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    compression

    Does anyone know if I need to remove all the plugs before doing a compression check or can I do one cylinder at a time with the other plugs in?
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  2. 01-26-2013, 01:49 PM #2
    98TransAmWs-6
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    I don't know if it is required but I think it would be. If it was me I would remove all the plugs to be safe.
    1998 Trans Am WS6 - Phantom
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  3. 01-27-2013, 11:13 AM #3
    2002ssslp
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    Quote Originally Posted by ponyslayer View Post
    Does anyone know if I need to remove all the plugs before doing a compression check or can I do one cylinder at a time with the other plugs in?
    All the plugs need to be removed and the TB needs to be wide open. You also need to pull the fuse for the fuel pump.
    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
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