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Thread: servo

  1. 08-27-2010 11:27 AM #31
    gottaswapup
    gottaswapup is offline Senior Member
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    Quote Originally Posted by RedHeartbeat View Post
    The PN of the parts currently inside the 2007 GMT900 4L60e trans is...

    Cap 8642485
    4th apply piston 8642482
    Piston 8642553 and approximately 2.280 diameter
    out cylinder that fits on the piston 8642466

    not sure on the size of a Corvette servo piston. Anyone have one they bought and haven't installed yet?
    vette servo is more like 1.8"
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  2. 08-27-2010 08:24 PM #32
    RedHeartbeat
    RedHeartbeat is offline WTH JUST HAPPENED?
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    wow, that means the GMT900 has a stronger servo than the vette. This one was removed and measured with calipers. It's sitting on the floor in the garage and came out of my 2007 model.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
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