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> Hyduralic Throw-Out Bearing
pjhaun
post Aug 11 2007, 09:27 PM
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Has anybody ever heard of a hyduralic throw-out bearing and if there is any for the 901 transmission?

Thank You!!!!
Phillip J. Haun
Oak Harbor, WA.
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Dr Evil
post Aug 11 2007, 11:57 PM
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Sure. You could find one that fits your dimensions fairly easily, they are not uncommon and I bet there is an after market set. Then you will have to figure out how you are going to do the pedal cluster with another MC for the clutch. I am sure someone here has done it before.
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So.Cal.914
post Aug 12 2007, 08:08 AM
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The one I saw pics of was the guy down under, (:insert the OH $HIT I can't remember his name smilie:) He posted some good pics of his setup(No I can't post those pics, not at home) right around the time of the last big arguement
discussion about brakes.
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Aaron Cox
post Aug 12 2007, 03:44 PM
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wevo makes them for 915 and 930 applications iirc....

worth a look (IMG:style_emoticons/default/smile.gif)

wouldnt it be easier to hook up a slave cylinder instead? Hyd. TO bearing dies and you have to pull the tranny.... slave dies and you unbolt it.
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JPB
post Aug 12 2007, 06:49 PM
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You can get some cool after market stuff like CNC hydraulic clutch kits which include a clutch pedal with a reservoir and an external slave cylinder. The last one I saw was on a Becks 550 replica. They beafed up the location where the stock cable went through where the slave was bolted but that was on a VW trany. I think you would need to fab a beafy clip that bolts to your trany. As mentioned above, keeping everything external keeps it symple. (IMG:style_emoticons/default/beer.gif)
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Dr Evil
post Aug 12 2007, 08:32 PM
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QUOTE(Aaron Cox @ Aug 12 2007, 05:44 PM) *

wevo makes them for 915 and 930 applications iirc....

worth a look (IMG:style_emoticons/default/smile.gif)

wouldnt it be easier to hook up a slave cylinder instead? Hyd. TO bearing dies and you have to pull the tranny.... slave dies and you unbolt it.


I agree, good idea. (IMG:style_emoticons/default/agree.gif)
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Cap'n Krusty
post Aug 12 2007, 09:07 PM
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90s Jeeps had 'em, and they were a weak point. The Cap'n
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sixnotfour
post Aug 12 2007, 09:55 PM
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QUOTE
90s Jeeps had 'em, and they were a weak point. The Cap'n

Funny you mention that , I had a brand new 1990 Jeep Wrangler,
under 2k miles it started to leak, Chrysler would not fix it as it was clutch related.SOB's.

QUOTE
wouldnt it be easier to hook up a slave cylinder instead?

Good Thinking
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Twystd1
post Aug 12 2007, 10:17 PM
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"Tilton" makes the Hydro T/O bearing you are discussing.

Clayton
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Downunderman
post Aug 13 2007, 03:08 AM
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Will post the photos tomorrow morning. They are on the computer at home. That wont be long because i'm 3/4 of a day in front of you.
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Mikey914
post Aug 13 2007, 03:33 AM
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My 944T has a a hydrolic clutch
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RON S.
post Aug 13 2007, 05:54 AM
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I did mine with a hydraulic clutch several years back.


I grafted a 964 master cylinder onto my pedal cluster,and used a Wilwood

slave cyl.on the trans end.

The pics are several years old,so everything has been tightened up to work properly.


Ron


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degreeoff
post Aug 13 2007, 07:23 AM
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KISS (keep it simple stupid)

just my $.02.....
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Brando
post Aug 13 2007, 09:45 AM
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944 master cylinder, second reservoir, 944 slave cylinder. Inexpensive and will work good. Just need to do a little fabrication on the transmission end for a bracket that holds the slave cylinder in place to activate the throwout bearing.
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Cap'n Krusty
post Aug 13 2007, 10:05 AM
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QUOTE(Mikey914 @ Aug 13 2007, 02:33 AM) *

My 944T has a a hydrolic clutch


Lots of cars have hydraulic clutch release systems. That wasn't the question. The question is about hydraulic throwout bearings. Completely different way to arrive at the same thing, and a bad one, IMO. The Cap'n
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Downunderman
post Aug 13 2007, 02:43 PM
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This is the Tilton one:
http://www.tiltonracing.com/content.php?page=hydraulic
However, as i'm using a 911 pull clutch I could do it externally.


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Cap'n Krusty
post Aug 13 2007, 03:15 PM
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You're STILL missing the point ..................... Take a look at this:

http://www.novak-adapt.com/images/pics/jee...out_bearing.jpg

The Cap'n
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Brando
post Aug 13 2007, 11:16 PM
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Why would someone want that? Super-pain-in-the-ass when it fails. (Not IF but when).
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Mikey914
post Aug 13 2007, 11:27 PM
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I understood the throwout bearing question. I was pointing out that the 944 has a system that may be adapted without using a hydrolic throw out bearing.
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drive-ability
post Aug 13 2007, 11:30 PM
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QUOTE(Brando @ Aug 13 2007, 10:16 PM) *

Why would someone want that? Super-pain-in-the-ass when it fails. (Not IF but when).


I agree if it fails your in for more work and expense to replace it, but as I see it there are less moving parts, less bearing races to wear etc. I have a 930 transmission and there is a lot of things leading up to releasing the clutch disk. I would go that way and may but it would have to be correctly machined and good quality. With a big pressure plate there is a ton of pressure placed on the factory parts as well as alignment issues that are critical when using a heavy PP.
I don't disagree if you have something working, why change it?
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