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Drums to Rotors C 8.25

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Old 05-15-2016, 03:35 AM
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Default Drums to Rotors C 8.25

Is it worth upgrading to rotors on the rear? Have an 8.25 and need to do the brakes, new drums, shoes, kit. For the money it's about the same to switch to rotors/calipers from drums. At least the kit from summit is the same. I plan on going to 33" tires with a 4.5" lift and carrying plenty of camping gear. I can't really find anything on the site about this specific topic. I did see the ZJ upgrade, but mine is a little bit older a 1993.

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Old 05-15-2016, 03:44 AM
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Originally Posted by rgallardo
Is it worth upgrading to rotors on the rear? Have an 8.25 and need to do the brakes, new drums, shoes, kit. For the money it's about the same to switch to rotors/calipers from drums. At least the kit from summit is the same. I plan on going to 33" tires with a 4.5" lift and carrying plenty of camping gear. I can't really find anything on the site about this specific topic.
There are several threads about the upgrade, hit up member Big David, he hooked me up and it was one of the best and easiest things I've done to my rig. Change out your axle bearings while you're at it.
Old 05-15-2016, 05:56 AM
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yes it is worth it.did mine last summer.stops great.very easy to do so pull the trigger and
swap to rear disc brakes....
Old 05-15-2016, 07:03 AM
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I did it and made a thread about it on this site, along with at least 3 more. Worth it for the upgrade for sure.
Old 05-16-2016, 12:13 AM
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SatiricalHen, I found your write up and link. Does it matter mine is a 1993 instead of a 1994 or later? Seems like it might be fairly simple to do.
Old 05-16-2016, 06:25 AM
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Originally Posted by rgallardo
SatiricalHen, I found your write up and link. Does it matter mine is a 1993 instead of a 1994 or later? Seems like it might be fairly simple to do.
no, they're the same process.
Old 05-16-2016, 07:46 AM
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Yes, beyond worth it........MUST do.


KJ is bolt on.
Old 05-19-2016, 12:22 PM
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Just did mine with the G2 kit. Very easy to do and it feels so much more balanced now. Even with fresh drums and shoes, I would get some nose dive when any sort of marginal force was applied. Now I can give them a pretty good squish and it stays flat and smooth, even with the 35s.

Drums to Rotors C 8.25-yosz5jl.jpg
Old 05-23-2016, 12:52 PM
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Nice review. What size rims are you on? Will it fit the stock 15s?
Old 05-23-2016, 03:40 PM
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I'm on 15"x8" Cragar Soft 8 rims with 4" backspacing. I think the stock rims are a little over 5"; 4.5" is the most that will allow a fit.
Old 05-26-2016, 08:32 PM
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I'm doing the same kit - quick question, did you change your proportioning value with the kit and have you had a chance to try locking down the rears to test stopping power?, some people suggest that with WJ disc swaps and wondering if I should look into that also with this kit.

Thanks!

Originally Posted by JK253
Just did mine with the G2 kit. Very easy to do and it feels so much more balanced now. Even with fresh drums and shoes, I would get some nose dive when any sort of marginal force was applied. Now I can give them a pretty good squish and it stays flat and smooth, even with the 35s.

Old 05-26-2016, 09:04 PM
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Originally Posted by blueridgeman
I'm doing the same kit - quick question, did you change your proportioning value with the kit and have you had a chance to try locking down the rears to test stopping power?, some people suggest that with WJ disc swaps and wondering if I should look into that also with this kit.

Thanks!
I haven't done the prop valve yet, but the difference is still night-and-day from the drums; makes it feel like a modern car stopping. I have tomorrow off, so I plan on going to the junk yard in the morning and picking one off the '98 that just rolled in yesterday. Should be able to pop it in and give it a test this weekend.
Old 05-26-2016, 09:05 PM
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I have the MJ metering block which is empty......no valve.

Perfect.
Old 05-26-2016, 09:08 PM
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Sorry - over my head, what is that?

Thanks!

Originally Posted by Jeep Driver
I have the MJ metering block which is empty......no valve.

Perfect.
Old 05-26-2016, 09:10 PM
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Thanks, I'm gonna plan on doing the same, brakes are pretty important to me and I plan on doing 2-3 hundred miles for trips getting to my destinations, don't need a bad situation on the interstate.

Originally Posted by JK253
I haven't done the prop valve yet, but the difference is still night-and-day from the drums; makes it feel like a modern car stopping. I have tomorrow off, so I plan on going to the junk yard in the morning and picking one off the '98 that just rolled in yesterday. Should be able to pop it in and give it a test this weekend.


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