Converting rear brakes from drums to disc - JeepForum.com
 
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post #1 of 9 Old 08-22-2013, 12:55 AM Thread Starter
jtv135
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Converting rear brakes from drums to disc

What benefits would I gain from this conversions? Also what all would I be replacing to do this? Thanks. This will be on an 87 YJ.

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post #2 of 9 Old 08-22-2013, 08:11 AM
biffgnar
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If your rear drums are properly maintained, adjusted, etc. you really only gaining ease of maintenance. Never done it on a YJ, but have done it on a TJ using Currie's Explorer kit. All changes done at the wheel. Didn't have to do anything else to the system. If you can't find anything using search, you can always PM mrblaine (Brake Wizard). He's forgotten more about jeep brakes than most of us collectively will ever know and is very helpful.
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post #3 of 9 Old 08-22-2013, 03:26 PM
jokerchief462
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Save the money and do an 8.8 differential swap and get disc brakes at the same time. You can get an 8.8 from $100-300 used to install.

89YJ 2.5L TBI, AX-5, NP231 SYE, Ford 8.8, Yukon Grizzly, Tom Woods Shaft, 33" BFG T/As, 4" lift, Warn VR10000s.

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post #4 of 9 Old 08-22-2013, 10:03 PM Thread Starter
jtv135
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What advantage would I get from doing the 8.8 diff swap?
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post #5 of 9 Old 08-22-2013, 11:45 PM
Jerry Bransford
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The only reason to install an 8.8 axle is if you're running big (33" or larger) tires and/or a rear locker & you're snapping axle shafts in your present Dana 35c rear axle.

There is no braking benefit to be gained from converting the rear drums to disks, the rear drums literally brake as well in that position as disk brakes can. The only benefit is that disk brakes are a lot easier to work on & replace.

When you have a choice, buy American made.
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post #6 of 9 Old 08-22-2013, 11:59 PM Thread Starter
jtv135
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I am running larger tires but not snapping anything. I am just honestly looking for some new projects to get into. I haven't done any major projects with my 87 YJ in a few years and just feel like its time to upgrade some things
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post #7 of 9 Old 08-23-2013, 04:46 PM
Bruce06Unltd
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Been there...and haven't done that

We have had an 8.8 axle to put into the 88YJ for years and can't seem to find a good reason (even with the 35's on it) to bother doing the swap...or even to just go to disc brakes. I am also an antique sports car owner and can't justify the time and expense to do the swap on my '74 MGB. You don't NEED rear brakes that strong...not enough traction there to be any better than well-adjusted drum brakes. Just MHO

Bruce
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post #8 of 9 Old 08-25-2013, 07:55 PM Thread Starter
jtv135
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I appreciate the help guys. I didn't know if rear disc would help any better on the jeep or not. I converted the rear drums on my 69 C-10 to disc and it was like a completely different truck
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post #9 of 9 Old 08-27-2013, 08:21 AM
jbolty
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might be my imagination but after swapping in an 8.8 with disk brakes I seemed to have better braking control. Not so much stronger as less grabby and better for situations like easing off a rock without the wheels locking.

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