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spacer shim for slave cyl- to use or not to use?

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Old 05-27-2007, 08:41 PM
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Default spacer shim for slave cyl- to use or not to use?

im putting a new clutch in, a ram powergrip hd, it comes with the spacer shim. Im using a resurfaced flywheel. its only been resurfaced once. i have a brand new ram adj master cyl , and a 01-02 slave as well. is there anything advantages/downfalls with using the shim? its just so the slave can push the pressureplate harder right? its not going to cause my slave to die an early death or anything is it?

Last edited by 98TADRIVER; 05-27-2007 at 08:52 PM.
Old 05-27-2007, 10:56 PM
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i just put a centerforce df in with a resurfaced flywheel without a shim and it works perfect. i am using a raybestos master and an ac delco slave.
Old 05-28-2007, 02:07 PM
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I prefer the adjustable master. The proper adjustment is key though, you have to leave just a little freeplay in the pedal.
Then you can put the pedal to the most optimal position possible.
Old 05-30-2007, 03:29 PM
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my ram slipped like crazy with the shim and a spec aluminum flywheel. my suggestion is if you have a stock flywheel use it, if not leave it out. I took it out, and it was fine. I was so pissed I had to do it twice, I can tell you one thing, the ram is no way comparable to the spec 3 I had, and if I have to do it again the ram will not go in the car.
Old 05-30-2007, 03:38 PM
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I have the shim in on my spec 3+ with spec flywheel, new slave and mcleod adjustable master and it works fine.
Old 05-30-2007, 04:37 PM
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I liked how my first Spec 3 felt without the shim installed.

Second Spec 3 I got I decided to install the shim, and I don't like how the pedal feels this time around. Felt much more stock-like without it.
Old 05-30-2007, 08:18 PM
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The reason they send the shim in the kit is you need it for that clutch/pressure plate. The reason being is that the slave cylinder can only extend so far. If it overextends for too long it will begin leaking and/or burst. The guy I bought my car from had installed a RAM HD powergrip without the shim and it lasted a whole 2000 miles. I resurfaced the flywheel replaced the slave w/ the shim included in the kit and 8000 miles later its still working great.
Old 05-30-2007, 11:52 PM
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thanks! i did the same thing with my last one unfortunately. got the ram powergrip hd, didnt use the shim. my slave blew apart (i guess she overextended lol) ruined my like new clutch tho i was pissed. i should be installing it this friday and will definately use the shim!! thank you for all of your help and insight fellas!
Old 05-31-2007, 04:32 PM
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NP man good luck! My slave had started leaking real bad right after my clutch was totaly gone so even if my disc would have had some material left it wouldnt have been long for the slave.
Old 06-02-2007, 12:45 AM
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did the install tonight, used the spacer shim, and wow does it feel soooo much smoother than before!!
Old 06-05-2007, 12:47 AM
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Can anyone tell me the thickness of the shim for the SPEC clutches? I need to fabricate one, as I have immediate engagement. I bought the SPEC stage 2 slightly used and it came without a shim.




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