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clutch shim ?

This is a discussion on clutch shim ? within the Manual Transmission forums, part of the Drivetrain category; i got a spec stage 1. my car is basically all stock. i put it in mid jan. i didn't ...

  1. #1
    Compulsive F bomb dropper sgt0704's Avatar
    Join Date
    Apr 2006
    yuma arizona

    1998 Z28

    clutch shim ?

    i got a spec stage 1. my car is basically all stock. i put it in mid jan. i didn't shim it. we bleed the hell out of it. and everything was fine during the recommended 500 mile break in.

    i got on it a few times. mainly hard shifting from a roll, more than hard launches.

    and it's getting more difficult to shift into 3rd. at one point during a run, it wouldn't come out of 3rd.

    my car has tons of miles, so i expect to need a new tranny in the near future. but i would like to trouble shoot, to make sure it isn't something else first.

    i used a new slave from the part store. and i used the TO bearing that came from spec. (mainly cause it looked like the one that was already on the old slave)

    the pedal feels a little spongey, so i think it needs bleed again. but how would the clutch feel, if you didn't shim the slave?

    would it be more difficult to shift between gears?
    would it make a slight grinding sound when shifting?

    thanks for your time and your help.


  2. #2
    Junior Member
    Join Date
    Mar 2012
    Naugatuck ct

    98 camaro z28 6 speed

    yes, u need to shim the back of the slave, the spec clutch should have came with it, if not there on ebay

  3. #3
    expensive tires az gt eater's Avatar
    Join Date
    Mar 2006

    04 2500 4x4 crew cab

    Agreed, you need to install the supplied shim. I would also recommend a new master cylinder from Tick. Definitely recommend. I did the stage 2 spec, and the factory master wasn't enough to fully move the clutch. I would recommend you do this BEFORE you ruin your tranny (like I did.)

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