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Rear Dana 44 Disc brakes 86 CJ7 
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PJI
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Joined: Thu Sep 02, 2010 9:36 pm
Posts: 638
Location: Shrewsbury, MA
Post Re: Rear Dana 44 Disc brakes 86 CJ7
more issues: I took out the CJ Pro valve and added a TJ Rubicon pro valve
bleed lines that made it worse!

Disc/Disc pro valve no residentual or metering valves

Disc/Drum had both the above valves

metering valve has a delay to the front brakes
residentual valve at 10 lbs for rear to over come springs

I may have to upgrade my CJ7 master/booster

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Sun Jun 30, 2013 6:34 pm
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JT4x4
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Joined: Sun Oct 18, 2009 7:43 am
Posts: 84
Location: Southeast CT
Post Re: Rear Dana 44 Disc brakes 86 CJ7
I didn't change anything when i put the 8.8 with disc's in the rear. brakes work fine. I have 89 YJ

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Mon Jul 01, 2013 7:10 pm
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PJI
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Joined: Thu Sep 02, 2010 9:36 pm
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Location: Shrewsbury, MA
Post Re: Rear Dana 44 Disc brakes 86 CJ7
I think I found my problem, my rear bleeders were frozen so I bleed them from the lines. I found out I can not do that. I think I still have air in my lines.
So I will try a EZ out and new bleeders. Thanks

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PatriotJeepers 86 CJ7
258, T18, Scout Dana 300 twin stick,Dana 44's, lockers
4wd Disc,35" BFG KM2's,8274 Warn winch, full cage ,OBA


Mon Jul 01, 2013 7:18 pm
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PJI
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Joined: Thu Sep 02, 2010 9:36 pm
Posts: 638
Location: Shrewsbury, MA
Post Re: Rear Dana 44 Disc brakes 86 CJ7
Go one bleeder out and the other one well no ,So I got a new caliper
instlled the brakes. pumped them out opened one bleeder then the other a couple of times. This is my half ass bleeding for now. but I did get fuild to the rear and refilled the master. Tommorrow I will get a bud to help me out. I seems better allready.

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PatriotJeepers 86 CJ7
258, T18, Scout Dana 300 twin stick,Dana 44's, lockers
4wd Disc,35" BFG KM2's,8274 Warn winch, full cage ,OBA


Tue Jul 02, 2013 8:57 pm
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PJI
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Joined: Thu Sep 02, 2010 9:36 pm
Posts: 638
Location: Shrewsbury, MA
Post Re: Rear Dana 44 Disc brakes 86 CJ7
Ok all bleed much better ,but not real improvement over rear drums.
only that I will not have to adjust all the time and disc's are self cleaning.

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PatriotJeepers 86 CJ7
258, T18, Scout Dana 300 twin stick,Dana 44's, lockers
4wd Disc,35" BFG KM2's,8274 Warn winch, full cage ,OBA


Sat Jul 06, 2013 4:52 pm
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Joined: Tue Jan 29, 2013 4:17 pm
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Location: North West New Jersey
Post Re: Rear Dana 44 Disc brakes 86 CJ7
I agree. I didn't feel much of a difference switching from drum to rear disc either. The rear breaks are only around 15% of your total stopping power. The front does most of the work. The advantage is just like you said: easier break jobs, self cleaning, less specialty tools required, improved break balance, self adjusting. Happy to hear you got everything figured out.:-)

Sent using Tapatalk 2

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Sat Jul 06, 2013 5:01 pm
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PJI
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Joined: Thu Sep 02, 2010 9:36 pm
Posts: 638
Location: Shrewsbury, MA
Post Re: Rear Dana 44 Disc brakes 86 CJ7
here is a picture of Ford 8.8 Rear Disc brakes on a 86 CJ7 Dana 44 rear axle.


Attachments:
reardisc.jpg
reardisc.jpg [ 100.4 KiB | Viewed 13878 times ]

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PatriotJeepers 86 CJ7
258, T18, Scout Dana 300 twin stick,Dana 44's, lockers
4wd Disc,35" BFG KM2's,8274 Warn winch, full cage ,OBA
Sat Jul 06, 2013 5:07 pm
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PJI
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Joined: Thu Sep 02, 2010 9:36 pm
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Location: Shrewsbury, MA
Post Re: Rear Dana 44 Disc brakes 86 CJ7
4wheel Disc working great!


Attachments:
Rich.JPG
Rich.JPG [ 210.22 KiB | Viewed 13748 times ]

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PatriotJeepers 86 CJ7
258, T18, Scout Dana 300 twin stick,Dana 44's, lockers
4wd Disc,35" BFG KM2's,8274 Warn winch, full cage ,OBA
Sun Aug 11, 2013 9:13 pm
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LIOR
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Joined: Mon Oct 05, 2009 9:08 pm
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Post Re: Rear Dana 44 Disc brakes 86 CJ7
The self energizing feature of drum brakes does not work in reverse. You should find your disks work much better backing down hill than before.

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Mon Aug 12, 2013 7:42 am
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PJI
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Joined: Thu Sep 02, 2010 9:36 pm
Posts: 638
Location: Shrewsbury, MA
Post Re: Rear Dana 44 Disc brakes 86 CJ7
you know I did hear that.

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PatriotJeepers 86 CJ7
258, T18, Scout Dana 300 twin stick,Dana 44's, lockers
4wd Disc,35" BFG KM2's,8274 Warn winch, full cage ,OBA


Wed Aug 14, 2013 7:51 pm
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