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Unread 01-23-2013, 11:39 AM   #1
kjg26
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1993 YJ Wrangler 
 
Join Date: Jul 2003
Location: North of Atlanta, Georgia
Posts: 1,831
gc disc brake swap

I know many will say it is a waste of time and money to swap an Grand Cherokee disc brakes on to a Dana 35. Well I did anyway.

After the swap I was not impressed with the braking power. This swap was into my 93 YJ. I decided to upgrade my master cylinder brake booster and proportioning valve. The master and booster came from a 6 cyl 95 YJ dual diaphragm. The prop valve came from a 97 grand cherokee with rear discs.

The hardest part was finding the 95 master and booster then finding the adapters from the master to the prop valve.

I used a total of 2 adapter lines and 2 adapter fittings.



forumrunner_20130123_123746.jpg



forumrunner_20130123_123802.jpg

I am amazed at the stopping ability now. Since I did the upgrade of the prop valve at the same time I cant say which played a bigger role or if its a combination. Either way I'm very happy. Now onto drive line angles

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Black 1993 YJ 4.0, 5 Speed
Slowly but surely getting better and better. Trailer build soon!!
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Unread 01-23-2013, 01:49 PM   #2
Mark05059
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1989 YJ Wrangler 
 
Join Date: Mar 2009
Location: quechee Vermont
Posts: 4,379
let us know when your d35 drops a stink on you
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1998 ZJ 5.2 Auto

1989 Wrangler Black Bone Stock 2.5l 5spd
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Unread 01-23-2013, 01:50 PM   #3
kjg26
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1993 YJ Wrangler 
 
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Location: North of Atlanta, Georgia
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10/4. Will do.
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Slowly but surely getting better and better. Trailer build soon!!
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Unread 01-23-2013, 02:03 PM   #4
SeanB95YJ
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1995 YJ Wrangler 
 
Join Date: Nov 2009
Location: Schenectady, New York
Posts: 1,184
would it have been easier to get all the components (MC/booster/prop valve) from the GC too? or is it too far off to bolt up without major mods?
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[FONT="Comic Sans MS"][COLOR="Blue"]Sean B. - Schenectady, NY - 95 YJ, 350/700r4/NP241, JB Shorty SYE, 8.8 rear, 2" BDS, 1" homebrew shackles, Daystar 1" BL, TJ flares, 35x12.50 General Grabber AT2 on 15x10 Bart D-Truckers, Polyshield polycarbonate windshield, HD over/under crossover steering
[/COLOR] [COLOR="Red"]swap/build thread: [url]http://www.jeepforum.com/forum/f22/after-almost-4-years-finally-my-own-build-swap-thread-1542284/[/url][/COLOR][/FONT]
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Unread 01-23-2013, 02:07 PM   #5
kjg26
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1993 YJ Wrangler 
 
Join Date: Jul 2003
Location: North of Atlanta, Georgia
Posts: 1,831
I have no idea a about the gc master and booster. In all my research it never came up. And just for the record, the above lines and adapters will adapt a 95 master to stock prop valve as well.
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Black 1993 YJ 4.0, 5 Speed
Slowly but surely getting better and better. Trailer build soon!!
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