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Kirkham Motorsports

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Old 12-18-2020, 10:29 AM
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Depends on what transmission you're using. My race car uses a stock T56. I use the stock factory hydraulic bearing. It's easily lasted 4 seasons of racing without a hint of failure.

If you have to use an aftermarket part, I'd probably use an external slave.
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Old 12-20-2020, 02:34 PM
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Default Thanks fellas

Thinking a tilton?
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Old 12-20-2020, 06:39 PM
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Tiltons are well regarded. I did not use one because I like using a total package (flywheel, clutch, pressure plate and HTOB) from the same manufacturer and Tilton unfortunately does not offer a clutch for a top loader currently.
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Old 12-29-2020, 11:08 AM
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Default Htob

My car was built in 1998 with a Mc leod bolt on htob. On the top loader it takes the place of the front bearing cover and t.o. bearing slide tube. It had some corrosion on the piston, so I elected to go with external hydraulic slave. Had to find an original nose piece, and Mcleod provided a "modified" pressure plate ( the diaphram fingers were cut back for clearance as the std tob tube was larger diameter than the HTOB TOB set-up was.
That set-up was never good, cutting the fingers looses about 20% of the leverage of the fingers, and the cuts on the fingers leaves a sharp edge that cut into the bearing face and causes the system to "hang-up" So I have decided to see if I can get the HTOB to work and be reliable. Right noe my problem is one of the hose connections ( banjo fittings) leaks. ( this is an older set up with banjos, not swivel fittings.)
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Old 12-29-2020, 02:46 PM
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Originally Posted by bobcowan View Post
Depends on what transmission you're using. My race car uses a stock T56. I use the stock factory hydraulic bearing. It's easily lasted 4 seasons of racing without a hint of failure.

If you have to use an aftermarket part, I'd probably use an external slave.
I am running a TKO600 which i believe is a sibling (or at least a cousin) of the T56?
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