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Old 12-16-2004, 06:10 AM
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hydraulic throw-out bearing

I was surfing the net and saw a hydraulic throw-out bearing for sale

What is its application and use/purpose...I just never heard of such an item anyone know eniugh to inform me? thanks

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Old 12-16-2004, 07:15 AM
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Hydraulic throwout bearings are used extensively on later model rear wheel drive pony cars and trucks. A small master cylinder, a bit of tubing and you have an inexpensive, reliable, clutch linkage.
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Old 12-16-2004, 08:26 AM
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Easy on the leg too!
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Old 12-16-2004, 08:51 AM
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They also allow more radical custom drivetrain work to be incorporated.

These things really show their worth in gold in a rockcrawler where body and frame flex would render a mechanical clutch linkage useless.
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Old 12-16-2004, 11:23 AM
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on my street rod I used a hydraulic clutch ...slave and master cylinder...problem came up when I needed to mount the slave on a chevy bellhousing' I had to fabricae a spyder afair mounting on the bell housing bolts and the block. While it works okay ,,if I had knonabout this hyd. hrowout bearing I might have used that. do they bolt to Chevy trannies? How are they secured on the input shaft?
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Old 12-16-2004, 11:40 AM
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as far as ive seen, the m50 trans out of ford trucks and the late model jeeps r the only 1's to put a internal slave on the trans... even the late model gm's (new venture trannys) have an external slave.. havent seen much past 2002 model so there is a possibility that gm has made some changes.
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Old 12-16-2004, 12:21 PM
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Quote:
Originally posted by wally
on my street rod I used a hydraulic clutch ...slave and master cylinder...problem came up when I needed to mount the slave on a chevy bellhousing' I had to fabricae a spyder afair mounting on the bell housing bolts and the block. While it works okay ,,if I had knonabout this hyd. hrowout bearing I might have used that. do they bolt to Chevy trannies? How are they secured on the input shaft?
Works on anything if its designed to fit. Imagine a regular throwout bearing that just has a hydrualic line ran to it. Then imagine this throwout bearing expanding into the pressure plate when you press the clutch pedal. Thats it. No other moving parts and you have a fully functioning clutch. They are kind of pricy at $100 bucks or so a pop, but for what they do you can't find anything more convenient.

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Old 12-16-2004, 02:00 PM
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Sooooo its designed to fit onto the tranny front.....Fords and Jeeps....And I wonder if you want to bleed it or even attach the line you work through the little hold formerly used for the clutch fork? Sounds like cramped quarters too me...if I use an old Chevy bell housing with open bottom I guess it won't be too bad..but to me any full bell housing like most later models use its going to be a chore to just get to the thing.
Man wrestleing in a four speed is a bit hard and if I got too watch out for miscelleanous lines for the hydraulics its more work. Even if they are Gods gift to women, it becomes a nightmare to maintain and to change it you got to remove the tranny..I think I like the external slave onto the clutch fork best. But then again it is less moving parts isn't it? I wonder
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