The Anti-Hydraulic Throwout Bearing Slave Cylinder Install - Ford Muscle Forums : Ford Muscle Cars Tech Forum
 
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post #1 of 7 (permalink) Old 04-19-2010, 10:19 PM Thread Starter
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The Anti-Hydraulic Throwout Bearing Slave Cylinder Install

After pulling the transmission 26 times on my '64 Galaxie because of faulty hydraulic throwout bearings, I decided to call it quits and go with a hydraulic slave cylinder pulling a conventional fork. I pulled the transmission 12 times in one day trying to get the fittings to stop leaking on one of the bearings I had installed. Four other times I was left stranded with no operating clutch.

I have tried hydraulic throwout bearings from Ram, Speedway Motors and Southwest Speed. They have all leaked, and the O-rings have failed in all of them. The installations have all been correct with the correct master cylinder, and a pedal stop to prevent over-stroking the bearing. These bearings are designed for circle track cars where the car is started in one gear and there is no shifting involved. I am convinced that they will not last on the street.

I did not try a Mcleod hydraulic throwout bearing because of the cost, and I would hope that they use a lip style seal or redundant O-rings. After buying three of the cheap bearings, I was at half the cost of the McLeod, so as the old saying goes, "you get what you pay for".

Here is one of the three bearings that failed miserably:


You can see the grooves where the O-rings install here:


Here are the blown O-rings. I believe that larger diameter O-rings would solve the problem:


Since I have a '64 galaxie with a 351 Cleveland, there are no headers made that will accomodate manual clutch linkage. I am using headers for a '70 Torino with an automatic transmission hence the need for a hydraulic clutch setup.

I already had the clutch master cylinder mounted and connected to the clutch pedal, so I will skip that part of the installation.

Here is the Speedway Motors "pull" type slave cylinder I will be using:


A bracket was made to bolt to the side of the Borg warner Super T-10 tranny:




A stock Ford fork was modified by "pie cutting" a piece out to bend back the outer most part of the fork for header clearance:


A piece of 1/8" strap was used to reinforce the modified area of the fork:



Here is the installed slave cylinder:






The adjustment is made at the fork with the pull rod:


The completed installation works great, and if there is ever a problem, the slave cylinder is easily serviced.

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Last edited by F15Falcon; 04-20-2010 at 06:20 AM.
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post #2 of 7 (permalink) Old 04-20-2010, 06:23 PM
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Re: The Anti-Hydraulic Throwout Bearing Slave Cylinder Install

Looks like a very nice install. I had the slave cylinder setup but switched to the hydraulic throwout bearing due to header clearance issues. I was very pleased with my slave cylinder clutch. I just hope I won't have problems with my HTB like you did with yours. Good luck.
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post #3 of 7 (permalink) Old 04-20-2010, 07:51 PM
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Re: The Anti-Hydraulic Throwout Bearing Slave Cylinder Install

Mike, what headers were you using that you had clearance problems?

Fred
1965 Mustang Coupe

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post #4 of 7 (permalink) Old 04-21-2010, 05:46 PM
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Re: The Anti-Hydraulic Throwout Bearing Slave Cylinder Install

F15 - After this much pain and misery - would a cable clutch setup work? I realize that parts would still have to be fabbed up, but seems like it might work (at least it wouldn't leak all over).

-chunger
'68 Ranchero 500
'70 Cougar XR-7 Convertible
'98 Mustang GT Convertible
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post #5 of 7 (permalink) Old 04-21-2010, 06:01 PM Thread Starter
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Re: The Anti-Hydraulic Throwout Bearing Slave Cylinder Install

Quote:
Originally Posted by chunger View Post
F15 - After this much pain and misery - would a cable clutch setup work? I realize that parts would still have to be fabbed up, but seems like it might work (at least it wouldn't leak all over).
A cable setup would work without a doubt, but since I already had the clutch M/C installed, the slave cylinder was the easier route. It works great now.

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post #6 of 7 (permalink) Old 04-21-2010, 06:33 PM
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Re: The Anti-Hydraulic Throwout Bearing Slave Cylinder Install

FPA headers
Quote:
Originally Posted by Deviousfred View Post
Mike, what headers were you using that you had clearance problems?
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post #7 of 7 (permalink) Old 04-21-2010, 07:45 PM
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Re: The Anti-Hydraulic Throwout Bearing Slave Cylinder Install

I'm leaning towards the MAC long tubes and I'm hoping they will clear a hydraulic slave set-up.

Fred
1965 Mustang Coupe

Common Sense is the Least Common Thing
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