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2G Quarter Master Twin Disc 6 bolt with 2g transmission

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97Gb

Probationary Member
15
7
Sep 5, 2022
Boise, Idaho
I need help... 3 mechanics and 3 engines later im stuck.

Components:
-6 bolt engine
-2g transmission
-Quartermaster 8-Leg Street Clutch Kit | 1989-1992 DSM 6-Bolt

Ive eaten through 3 sets of bearings. First set was we thought the engine just needed rebuilt. Second set, ACLs are having bearing failures, Third set (currently still in the car) we are thinking it is the clutch.

Original mechanic that installed the clutch says he followed the QM instructions and installed it. Second engine, another mechanic (because the first one gave up on it) said he installed it properly. Third engine same mechanic because it was thought he built it incorrectly and was being nice said that now he thinks the clutch is the common denominator and he wants me to trash this $2200 Clutch and get an ACT or something easier to install.

What am I missing?
I have a pedal stop.
The pedal is adjusted just barely off the floor for engagement to allow to as little pressure of the thrust bearing as possible.
The clutch fork is moveable in the engine bay.
My end play is within tolerance.
The clutch does drag the engine down about 100-150 rpm, but I was told they dont know why because everything seems correct.
I have the clutch switch disconnected so I can start the car without the clutch in.

What would cause the clutch and clearance to be correct but then my bearings to be destroyed?

Each time this has happened, the car only has about 150 miles on it. So something is terribly wrong but no one knows what is wrong and everyone is pointing fingers at someone else.

Does anyone have a detailed step by step installed on a 6bolt QM going to a 2g trans?

Im at a loss and so are 3 different mechanics from 3 different shops.

Any help is appreciated.

I dont need any "Want it done right? Do it yourself." Comments.

If you figure this out, ill send you feet pics or a cookie or something.
 
dont know if this will help but my gst currently has an f5m31 (2.4l non turbo) & i ordered and installed an ACT clutch kit for the gst into it... works fine
 
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