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wrangler rear wheel cylinder options

Discussion in 'Quitters' Club' started by termin8ed, May 14, 2012.

  1. May 14, 2012
    termin8ed

    termin8ed I didn't do it Staff Member

    Mason, MI
    Joined:
    Dec 22, 2002
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    4,418
    I'm working on my buddies 02 and his rear drums are not working at all. Needs new wheel cyl. Somewhere I heard of using a larger gm wheel cyl. Ring a bell for anyone??
    I searched but the general consensous is to toss the D35 as far or farther than you can throw it but he allready has the superior axle and arb locker in the axle. He does have a bent shaft though from an accident last year that I just saw. Sooo, I may be trying to get him to go the 8.8 route.


    But, in the meantime, and cheap route...
    anyone heard of using that larger wheel cyl for the rear 35???
     
  2. May 14, 2012
    73cj5

    73cj5 Member

    Maine
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    Jan 15, 2004
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    903
    What's wrong with the factory part?
     
  3. May 14, 2012
    termin8ed

    termin8ed I didn't do it Staff Member

    Mason, MI
    Joined:
    Dec 22, 2002
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    4,418
    He's got 35's on the jeep.

    Someone at work told me about the wheel cylinders. Something about having more pressure so it helps stop the drum brakes better.

    If it was a stock jeep I'd toss the factory parts at it no problem.
     
  4. May 14, 2012
    lynn

    lynn Time machine / Early CJ5 HR Rep Staff Member

    Huntingdon PA
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    Sep 20, 2002
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  5. May 14, 2012
    w3srl

    w3srl All-around swell dude Staff Member

    Port Orange, FL
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    Nov 6, 2002
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    Thanks for reminding me why I don't go over there any more Lynn. :shock:
     
  6. May 14, 2012
    nickmil

    nickmil In mothballs.

    Happy Valley, OR
    Joined:
    Sep 23, 2002
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    12,529
    Yup....
    I haven't heard of the Chevrolet mod but you've got me curious. Maybe a CJ wheel cylinder for 11" brakes? I don't know if the bolt up is the same. Would probably need brake line adapters. Larger Id would cause a lower brake pedal. Probably not by much but something to think about.


    Sent from my iPhone using Tapatalk
     
  7. May 14, 2012
    68BuickV6

    68BuickV6 Well-Known Member

    Hesperia, CA.
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    Mar 12, 2012
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    2,160
    "How many folks do you know that can actually even tell when their drum brakes fade?"

    I can. Big Bear California. Stock 9 inch drums down the mountain, extreme fade. Strongly questioned if I would survive.

    I too am reminded why I don't use Jeepforum.
     
  8. May 14, 2012
    termin8ed

    termin8ed I didn't do it Staff Member

    Mason, MI
    Joined:
    Dec 22, 2002
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    4,418
    Know the parts guys/girl at carquest in town. Guess I'll check out what they have. start with the abs/non abs versions and see what he has on the jeep to start with. going with a smaller bore wheel cyl should give a little more pressure on the brakes. I'll go the smallest incriment first and see how it works.

    Thanks for the links lynn. That one was quite the read.:rofl:
     
  9. May 14, 2012
    nickmil

    nickmil In mothballs.

    Happy Valley, OR
    Joined:
    Sep 23, 2002
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    12,529
    Wrong direction. You need a larger bore size to build more pressure. Smaller bore size will give less pressure but faster movement. that's why more pressure equals lower pedal. You have to push more fluid with the m/c.
    Basic Pascal's Law.


    Sent from my iPhone using Tapatalk
     
  10. May 15, 2012
    termin8ed

    termin8ed I didn't do it Staff Member

    Mason, MI
    Joined:
    Dec 22, 2002
    Messages:
    4,418
    something happened to my last post...

    Your right. wasn't thinking straight last night I guess.
    Smaller bore would apply brakes faster, but less pressure. You'd need to stand on the pedal to get the same amount.
    Bigger bore you would have to press down farther, but it would put more pressure to the shoes.

    Ended up getting the stock ones for his jeep. If it were mine, I'd experiment a little, but he's an hour away so I don't really want to go over there to fix it if it's not working good...
     
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