1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

are fb and fc clutch slave cylinders the same?

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Old Jul 2, 2006 | 07:33 PM
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are fb and fc clutch slave cylinders the same?

i just blew out my clutch slave, fluid is squirting out of it when i push the pedal big time, and i've located a used one close to home, but not sure if it will work as it is an fc one. my buddy says they are the same, im just making sure.

Nick
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Old Jul 2, 2006 | 08:19 PM
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i think they are..but it never hurts to try..

:AA:
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Old Jul 2, 2006 | 10:49 PM
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I'm using an FC slave cylinder in mine. Seems to work OK.
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Old Jul 3, 2006 | 01:13 AM
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Actually, yours is not an FC slave. I noticed on the Mazdatrix website that they are different part numbers. Rather than chance it, I tried your stocker with my '84 master and they worked fine together; an FB matched set . I went back and picked up an FC master and it and that FC slave will go into my MG as a matched set.

This means the thread starter's question is still unanswered. I wonder if trochoid or wacky have ever mixed and matched FB and FC clutch hydralics. Someone here must have.
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Old Jul 3, 2006 | 01:20 AM
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yeah, i've used an fc slave before.
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Old Jul 3, 2006 | 07:59 AM
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If its an FB, why not use an FB clutch cylinder?

Last edited by Nicholas P.; Jul 3, 2006 at 08:03 AM.
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Old Jul 3, 2006 | 08:11 AM
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Originally Posted by Jeff20B
I wonder if trochoid or wacky have ever mixed and matched FB and FC clutch hydralics. Someone here must have.
Well, I havent tried since 2 of my bros are parts distributor in LA. But if you can wait until next week, I will let you know. Im re-assemblying my RX-3 and I will be using a S5 tranny.

If there is a any difference, then it will be in the push rod. Thats what I would be checking.
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Old Jul 3, 2006 | 12:12 PM
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bore size difference

GSL-SE= 15/16th
Non-SE + 86-91= 3/4.

Last edited by Siraniko; Jul 3, 2006 at 12:18 PM.
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Old Jul 3, 2006 | 12:38 PM
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couldent you just switch rods? or is that not possible..? if i think about it the only thing that would go wrong..would be if the actual housing of the slave would only fit the rod that was ment for it..right?

:AA:
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Old Jul 3, 2006 | 12:58 PM
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I should have made it clear. There is a difference in the Clutch slave's bore size

Originally Posted by AcidAngel7477
couldent you just switch rods? or is that not possible..? if i think about it the only thing that would go wrong..would be if the actual housing of the slave would only fit the rod that was ment for it..right?

:AA:
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Old Jul 3, 2006 | 01:06 PM
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omg..once again..open your eyes and actually read my post..


here ill make it clear for YOU..

if i think about it the only thing that would go wrong..would be if the actual housing of the slave would only fit the rod that was ment for it..right?

this meaning what you just said..***

:AA:
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Old Jul 3, 2006 | 01:23 PM
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omg..once again..open your eyes and actually read my post..


here ill make it clear for YOU..

the diameter of the push rod must match the bore. you can mix-match but why? When you buy it new, it should come with a push-rod.

*******

WR
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Old Jul 3, 2006 | 01:41 PM
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I love the sense of camraderie we have here!
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Old Jul 3, 2006 | 01:44 PM
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hahahaha

fight...fight...fight..
lol

i understood your post wacky and im a pothead thinking his hard to come by
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Old Jul 3, 2006 | 01:45 PM
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Originally Posted by JerryPerez
I love the sense of camraderie we have here!


i freakin love your aviator
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Old Jul 3, 2006 | 01:45 PM
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lol.

OMG is a girlygirl expression.
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Old Jul 3, 2006 | 03:00 PM
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Originally Posted by blwfly
i freakin love your aviator

I actually "borrowed" it for another forum member. I love it too.
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Old Jul 3, 2006 | 07:38 PM
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i have access to a fc slave which is probably already in the mail now, so i hope its going to work. i'll post when i find out
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Old Jul 3, 2006 | 07:45 PM
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Originally Posted by wackyracer
GSL-SE= 15/16th
Non-SE + 86-91= 3/4.
well since my car is a 12a and this statement is correct, then i should be fine

Last edited by nick1; Jul 3, 2006 at 07:46 PM. Reason: missspelled car
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