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post #1 of 5 Old 03-10-2007, 06:22 PM Thread Starter
mcktiger
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2006 TJ Wrangler 
 
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brake conversion?

HEY GUYS,
I did a brake con. on my 74 cj5 disc up front new everything.Then did the yj swap booster, m/c, portioning valve .extend brake rod. Now my problem is that the rear brakes are locking up first .Oh ever thing in the rear is also new. Just a tad bit of drag on the rear wheels(not much). I see the comment of a residual valve in the m/c . whats that mean ? no air in system.

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post #2 of 5 Old 03-10-2007, 06:37 PM
BESRK
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A residual valve just keeps a preloaded amount of pressure on the rear drum brakes to counteract the brake return springs in the drum system. On a disk system, the pads free-float so a residual valve isn't usually needed. You might need to install an aftermarket adjustable proportioning valve. They cost about $40 or so and allow you to decrease the amount of pressure to the rear brakes to fine tune the system. I think they allow you to reduce pressure by about 30% or so.. IIRC.

'80 CJ5 w/AMC360, T176, D44 w/Detroit 4.56, RE 4" YJ lift and 35s..



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post #3 of 5 Old 03-10-2007, 06:40 PM Thread Starter
mcktiger
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thanks where to buy ?
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post #4 of 5 Old 03-10-2007, 07:30 PM
jayhawkclint
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Summit racing, but have you adjusted the drums first?

My '70 CJ5 Build Thread:

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post #5 of 5 Old 03-11-2007, 08:32 AM
gumby
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yj master cyl has that valve built in to it.

1984 CJ-7 offroad special loves to get dirty and play rough. unlike the girls I meet
258 rebuilt with torquer cam/ weber 32/36 carb, HEI ignition ,headers 4 in lift AMC 20 detroit rear locked and trussed / tru trax front 4:56 Gears ,solid axles on 35's

"Two roads diverged in a wood and I - I took the one less traveled by, and that has made all the difference."-
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