Manual Transmission T56 | T5 | MN12 | Clutches | Hydraulics | Shifters

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Old 03-16-2006, 11:33 AM
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Staging Lane
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Okay, to review.

I am running an LS1 T56 behind a 500 Cadillac in a 1936 Ford 3 window coupe. I had the typical problems with hard shifting under throttle, hard to get into reverse, etc. Turns out I had a master cylinder that was going away, so I replaced it and did the drill mod while I was at it.

I bled the hell out of the new setup, both power bled and vacum bled according to the GM bulletin. Now what happens is when the car sits, the clutch pedal goes away. After I put a few miles on it the clutch comes back great, better than it's ever been. It actually seems to work better the harder I drive it.

There's no leaks in the system.

WTF!!!
Old 03-16-2006, 09:04 PM
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wrencher
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Did you replace it with a stock GM replacement master cylinder?
Did you make it adjustable?
Old 03-16-2006, 10:00 PM
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Yes, I used the master that Clippinger Chevrolet (my local dealer) had listed for a 1999 F body with the 5.7 & T56. I had to use the hose off my original master because the quick disconnect was slightly different. I did the drill mod to my original hose. I'm assuming that GM consolidated the part numbers for all LS1 F bodies?

After it has a few miles the clutch works better than it ever did with the old master.

How do I make the master adjustable? Do you mean adjustable at the pedal?




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