Hydro clutch conversion with YJ tub & pedals. What master/slave to use? - JeepForum.com
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Unread 07-03-2010, 08:25 PM   #1
Aaroneous
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1983 CJ7 
 
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Hydro clutch conversion with YJ tub & pedals. What master/slave to use?

I've been searching and have seen a lot of posts around here and pirate about converting to a hydro clutch setup, and most people suggest using a 4-cyl CJ master/slave cylinder. My question is this... I have a YJ hydraulic clutch pedal assembly that I would like to use in my build. I don't *have* to, but I've got it already and I sold the original CJ mechanical clutch pedal. I've got an AMC 360 -> Ford T-18.

I'm assuming that if I used a YJ clutch master cylinder that I wouldn't have to adapt anything and it would just work. It would also be ideal if I could just use a YJ slave cylinder as well. Did the YJs use an external slave cylinder that would bolt up to my T-176 bellhousing?

SO. If the YJ master/slave won't work, should I use the YJ master cylinder and a CJ slave cylinder and adapt the hose fittings? Would the CJ master cylinder work with the YJ pedal assembly? I've seen pictures of the pedals next to each other and the CJ and YJ clutch pedals are different. Lots of questions, but maybe this would be helpful for others as well.

Thanks in advance!

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CJ7, AMC 360 Howell TBI, T-18a, d300, D44 front and rear, Stock YJ rear springs all around SOA and outboarded, BFG 33x12.50s, Warn XD9000i
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Unread 07-03-2010, 09:36 PM   #2
ThisGuyUKnow
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You are definitely on the right track with the CJ pedal assembly. By using it you have the proper geometry for a master from the YJ like you said. Also you have the added benefit of being able to dump your CJ brake booster for a YJ booster without any mods.

As far as the slave goes the 94+ AX15 and AX5 and also the NV3550 used in jeeps have an external slave cylinder. I am not sure how compatible that would be with the tranny you have.... Did that tranny you have come with a Hydraulic slave?
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Unread 07-03-2010, 10:07 PM   #3
Pacfanweb
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I don't know if 176's ever came with hydraulic clutches.

I do know that if you call PartsMike, they'll have exactly what you need, and for a reasonable price, too.
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Unread 07-03-2010, 10:12 PM   #4
Aaroneous
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Quote:
Originally Posted by ThisGuyUKnow View Post
As far as the slave goes the 94+ AX15 and AX5 and also the NV3550 used in jeeps have an external slave cylinder. I am not sure how compatible that would be with the tranny you have.... Did that tranny you have come with a Hydraulic slave?
So assuming I get a slave cylinder from a '95 YJ, I guess the real question is will it bolt up to a T-176 bellhousing?

Pacfanweb - thanks for the tip, I'll call partsmike on Tuesday.
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CJ7, AMC 360 Howell TBI, T-18a, d300, D44 front and rear, Stock YJ rear springs all around SOA and outboarded, BFG 33x12.50s, Warn XD9000i
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Unread 07-03-2010, 10:26 PM   #5
Pacfanweb
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Quote:
Originally Posted by Aaroneous View Post
So assuming I get a slave cylinder from a '95 YJ, I guess the real question is will it bolt up to a T-176 bellhousing?

Pacfanweb - thanks for the tip, I'll call partsmike on Tuesday.
Partsmike can tell you whether it'll bolt up or not, too. If not, I bet they have a bracket to make it happen.

Oh, and the YJ pedals will bolt right in, if you have them. (and I believe you said you did)
You can even put just the YJ clutch pedal arm on the CJ assembly....just need to tweak the pad a bit, as the YJ has smaller pads.
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