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lt1 t56 hydraulics question. Just finished swap

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Old Dec 30, 2011 | 01:14 PM
  #1  
resop27's Avatar
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From: Wentzville Mo
Car: 89 325is, 91 z28
Engine: 2.5l 6, l98
Transmission: t56
Axle/Gears: 3:42
lt1 t56 hydraulics question. Just finished swap

Alright I just finished my t5 to t56 swap and I have an issue with the clutch hydraulics (which are new) When you depress the pedal all the way you feel something not right, the motor bogs and it wont go into gear, but if your 3/4 of the way it shifts great.

My question is can I make a larger spacer for the slave cylinder to reduce the push? and solve this problem?
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Old Dec 30, 2011 | 02:18 PM
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From: Albertville, MN
Car: 82 Trans Am
Engine: 13:1 383 stroker on e85
Transmission: t-56
Axle/Gears: ford 9" locker 3.70
Re: lt1 t56 hydraulics question. Just finished swap

do you have the spacer between the bell and the slave?
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Old Dec 30, 2011 | 04:53 PM
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resop27's Avatar
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From: Wentzville Mo
Car: 89 325is, 91 z28
Engine: 2.5l 6, l98
Transmission: t56
Axle/Gears: 3:42
Re: lt1 t56 hydraulics question. Just finished swap

yeah.
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Old Dec 30, 2011 | 05:17 PM
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: lt1 t56 hydraulics question. Just finished swap

Usually, overtravel of the slave causes the fork to grind the pressure plate. I could see that showing up as a "bog."

Jumping right to a particular modification of the slave and fork travel can be tricky on the pull clutch setup. Mild shimming might be the fix. Visual verification that's what's happening (sleeves in place of the spacer block) would be a possible next step.
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Old Dec 30, 2011 | 07:08 PM
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resop27's Avatar
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From: Wentzville Mo
Car: 89 325is, 91 z28
Engine: 2.5l 6, l98
Transmission: t56
Axle/Gears: 3:42
Re: lt1 t56 hydraulics question. Just finished swap

alright that helps now I know whats happening I thought at first something might have been wrong with the new throughout bearing.


what are ways of stopping the overtravel? limit the pedal with a stop? I have no carpet in the car I know it would do alittle for reducing the through of the pedal. But I dont think it would be that much.
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Old Dec 30, 2011 | 08:45 PM
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: lt1 t56 hydraulics question. Just finished swap

There are a few ways of doing it involving the master being adjustable, shortening the pivot tee, moving the stud on the pedal, shimming the slave... on yours, add the carpet, then if it''s still going on, put in an adjustable master.
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