Hydraulic Throwout
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Joined: Nov 2007
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From: West Texas
If you find one for ours please let me know. Or even an all metal throw out bearing. I'm so sick of this piece of crap in ours it's not even funny anymore. What would really make me happy is more of a big truck setup. a greaseable throwout with a 2 piece clutch brake.
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Joined: Oct 2003
Posts: 17,791
Likes: 99
From: Ashland City, TN
The current setup is a pivot to make the clutch release.
The hydraullic throwouts are basically a cylinder that is adjustable.
You install it on the throwout shaft, and it actuates the clutch without a fork to wear out or bearings to go to crap.
They keep using them on these hot rod shows.
Though, i doubt they are available for trucks.
Cause, trucks arn't fast and dont need it ya know.
pfft.
The hydraullic throwouts are basically a cylinder that is adjustable.
You install it on the throwout shaft, and it actuates the clutch without a fork to wear out or bearings to go to crap.
They keep using them on these hot rod shows.
Though, i doubt they are available for trucks.
Cause, trucks arn't fast and dont need it ya know.
pfft.
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Joined: Sep 2010
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From: Phill Mo
hey if i memder right the throw out i got from valair is metal
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Joined: Sep 2010
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From: Phill Mo
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Joined: Oct 2003
Posts: 17,791
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From: Ashland City, TN
The throwout your getting from valair is the same one you get at any store.
From my understanding, thats the only option like that.
Your also supposed to grease the sleeve on the throwout.
The one I pulled off my truck was fine on the plastic part, but the bearing was trashed.
From my understanding, thats the only option like that.
Your also supposed to grease the sleeve on the throwout.
The one I pulled off my truck was fine on the plastic part, but the bearing was trashed.
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Joined: Jun 2007
Posts: 10,008
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From: Austin, TX
William, I have looked into this very little. I looked at some of the universal slaves and none of them that I found will work for us even if we do some heavy modifying in the bellhousing.
For those that don't follow. We want the slave cylinder and throwout to be one piece where the slave is inside the bellhousing with the throwout attached so that it pushes directly on the pressure plate instead of having the external slave with a pivot. The internal will give us the ability to use heavier pressure plate loads and will release the pressure plate quicker than the external types. Giving us quicker shifting abilities mainly.
For those that don't follow. We want the slave cylinder and throwout to be one piece where the slave is inside the bellhousing with the throwout attached so that it pushes directly on the pressure plate instead of having the external slave with a pivot. The internal will give us the ability to use heavier pressure plate loads and will release the pressure plate quicker than the external types. Giving us quicker shifting abilities mainly.
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Joined: Jan 2003
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From: Munroe falls, Ohio
So you guys want to downgrade to an internal slave cylinder setup like the old small block gasser had. They still use the same throwout bearing type and now when you have a leaking slave you have to pull the trans. But you get away from worn pivots and forks.
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Hotshot
Joined: Oct 2003
Posts: 17,791
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From: Ashland City, TN
Your basically replacing the whole assembly with a hydraulic cylinder.
The unit doesn't slide back and forth on the shaft either, which will mean no shaft wear out issues or throwout bearing slop.
And like travis said, can use a heavier PP cause you dont have to do the lever thing.
Yeah, you'd have to drop the trans to replace it, but.... you'd probably never have to replace it.
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Joined: Jun 2007
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From: Austin, TX
You will have to replace it, but how long does it seriously take to pull the tranny back and change it out? About an hour or so depending on how focused you are on the job at hand.. I would take an internal slave since it would be more suited to my drag racing indeavors. Doesn't the ZF6 behind the Dmax have an internal slave?
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From: Munroe falls, Ohio
Back when I was running a small block ZF5, everyone in the small block forum considered the internal slave setup as inferior to the external setup.
Yes the TO bearing rides on the internal slave cylinder housing which then bolts to the trans. But it still uses the same TO bearing as our system.
Why would the internal be better for a heavier PP? The TO bearing is going to be bearing all that load anyways so itll fail sooner unless there is a HD version.
Yes the TO bearing rides on the internal slave cylinder housing which then bolts to the trans. But it still uses the same TO bearing as our system.
Why would the internal be better for a heavier PP? The TO bearing is going to be bearing all that load anyways so itll fail sooner unless there is a HD version.