Zj brake upgrade? - JeepForum.com
 
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post #1 of 13 Old 04-19-2014, 02:11 AM Thread Starter
Thomahawk
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Zj brake upgrade?

Hi, what upgrades Are guys doing,
I feel lack of brsking power after going up to 31" tires, and have some akebono WJ calipers around,,,

Will they fit?
Will it be an upgrade?
What else do you guys recomend?


2004 Grand Cherokee Overland 4.7 HO Quadradrive
95 ZJ Limited 5.2 Winter Project
Sold 94 ZJ Laredo 4.0 Winter Beater
R.I.P. 2000 Grand Cherokee Limited, 4.7 V8, Quadradrive, Shale Green Metallic, Agate/Carbon interior, Well modded and highly missed :(

Buildthread http://www.jeepforum.com/forum/f197/...grade-1813490/

MONEY WILL CONTINUE TO BE THROWN INTO THE RIG UNTIL CONDITION AND SATISFACTION IMPROVES!!!
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post #2 of 13 Old 04-19-2014, 05:16 AM
Timo_90xj
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WJ calipers need WJ knuckles and steering parts, and may need slight modifications to trackbar mount, hub-to-knukcle 1/4" spacer, some other small things. Look for "WJ knuckle swap", and you'll find polenty of info on this forum/ google.

WJ knuckle & brake swap including steering has been the single best mod onmy niner. There is a MAJOR difference in stopping power, and the WJ cross- over steering is also a big improvement over the ZJ/XJ/MJ/TJ inverted-y crap. Well worth the effort IMO. I spent total of about 700 on my swap, including remanufactured calipers & brackets, knuckles glass-bead cleaned & powder coated, new rotors & pads, new Moog TREs + custom draglink + trackbar. I built the steering OTK and built custom trackbar mount and used JKS DIY trackbar in the front. Running UTK it's a bit easier.

I've got some pictures on my niner build thread.

1998 Grand Cherokee 5.9 LX daily driver, 1.75" BB, 32" KM2s, HPD30 Eaton e-locker/D44a stock LSD, 4.56 gears, custom- fabbed tube bumpers and tube fenders,...

http://www.jeepforum.com/forum/f13/d...s-etc-1222317/


1990 XJ Limited (4-door), 4.0 I6, AW4, NP242, ***rolled and totalled @ 165k miles***

***Under construction***
1990 XJ (4-door), 4.0 I6, AW4, NP242, PBR 42" tires, Unimog 404 portal axles, 110" WB, full cage + uniframe completely rebuilt, front 3-link + panhard / double triangulated 4-link rear,... ***SOLD***
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post #3 of 13 Old 04-19-2014, 09:43 AM
CatSplat
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Some guys have left the steering UTK, so you don't have to relocate the track bar or sway bar links but your tie rod will hang lower.


1994 5.9L ZJ, retrofitted UC package, NP242 swap, 17" JK Moabs with 32" BFG MT KM's.
The Jeep of Theseus
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post #4 of 13 Old 04-19-2014, 09:54 AM
Hawkeye01
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I upgraded mine to the EBC slotted and dimpled rotors front and back and went with the yellow stuff pads up front with the green stuff in the rear. It's like day and night difference from the stock brakes. It was easy to replace and no mods were needed.

Semper Paratus
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post #5 of 13 Old 04-19-2014, 10:34 AM
riot1987
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I was really curious as to how those EBC's worked. Youre pretty happy with them eh? For what you pay they better stop you!

OP Ive heard that later model Akenbono calipers are the way to go for the swap. Dual pistons up front is a hell of an upgrade over stock

http://www.jeepforum.com/forum/f22/riots-97-grand-1436100/

Build thread^^
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post #6 of 13 Old 04-19-2014, 10:54 AM
Hawkeye01
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Quote:
Originally Posted by riot1987 View Post
I was really curious as to how those EBC's worked. Youre pretty happy with them eh? For what you pay they better stop you!

OP Ive heard that later model Akenbono calipers are the way to go for the swap. Dual pistons up front is a hell of an upgrade over stock
Yes I'm very happy with them. I originally chose these because I used to tow my boat that weighed close to 4000lb including the trailer. I was a big upgrade from the stock and there was no mods that were needed.

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post #7 of 13 Old 04-19-2014, 12:08 PM Thread Starter
Thomahawk
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Quote:
Originally Posted by Timo_90xj
WJ calipers need WJ knuckles and steering parts, and may need slight modifications to trackbar mount, hub-to-knukcle 1/4" spacer, some other small things. Look for "WJ knuckle swap", and you'll find polenty of info on this forum/ google. WJ knuckle & brake swap including steering has been the single best mod onmy niner. There is a MAJOR difference in stopping power, and the WJ cross- over steering is also a big improvement over the ZJ/XJ/MJ/TJ inverted-y crap. Well worth the effort IMO. I spent total of about 700€ on my swap, including remanufactured calipers & brackets, knuckles glass-bead cleaned & powder coated, new rotors & pads, new Moog TREs + custom draglink + trackbar. I built the steering OTK and built custom trackbar mount and used JKS DIY trackbar in the front. Running UTK it's a bit easier. I've got some pictures on my niner build thread.
Thx a ton Timo, excactly what i needed to know, its for my friend, i will Ask him how far he want to Go with this,,,

Quote:
Originally Posted by CatSplat
Some guys have left the steering UTK, so you don't have to relocate the track bar or sway bar links but your tie rod will hang lower.
Great pic, highly apriciated, thx

Quote:
Originally Posted by Hawkeye01
I upgraded mine to the EBC slotted and dimpled rotors front and back and went with the yellow stuff pads up front with the green stuff in the rear. It's like day and night difference from the stock brakes. It was easy to replace and no mods were needed.
I have great expirience with EBC shhhh, i use it on my bike
My WJ will have Stillen/Black matrix brakes soon.

2004 Grand Cherokee Overland 4.7 HO Quadradrive
95 ZJ Limited 5.2 Winter Project
Sold 94 ZJ Laredo 4.0 Winter Beater
R.I.P. 2000 Grand Cherokee Limited, 4.7 V8, Quadradrive, Shale Green Metallic, Agate/Carbon interior, Well modded and highly missed :(

Buildthread http://www.jeepforum.com/forum/f197/...grade-1813490/

MONEY WILL CONTINUE TO BE THROWN INTO THE RIG UNTIL CONDITION AND SATISFACTION IMPROVES!!!
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post #8 of 13 Old 10-20-2014, 05:07 AM
danfau07
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Need some more info. I want to do the upgrade to the wj brakes, but my diff is on its way out. Would i able just to swap out the axle to a wj and replace the caplipers?

97 Grand Cherokee Limited 4.0
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post #9 of 13 Old 10-20-2014, 05:16 AM
PolkaPower
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Straight bolt in high quality custom brakes. No drilling or anything special. http://www.vancopbs.com/category_s/121.htm
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post #10 of 13 Old 10-20-2014, 08:22 AM
CatSplat
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Quote:
Originally Posted by danfau07 View Post
Need some more info. I want to do the upgrade to the wj brakes, but my diff is on its way out. Would i able just to swap out the axle to a wj and replace the caplipers?
No, the WJ front axle is wider and does not have the same control arm geometry as the ZJ axle. It also has a different wheel bolt pattern.

1994 5.9L ZJ, retrofitted UC package, NP242 swap, 17" JK Moabs with 32" BFG MT KM's.
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post #11 of 13 Old 10-20-2014, 08:33 AM
kg6mov
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If you're lifted an HP30 would be a reasonable upgrade. Build it with WJ knuckles and swap it in.

1996 ZJ Green Laredo V8, 2.5" OME and Bilsteins, 33's, Holes drilled in the roof.
1998 ZJ 5.9 - Junked
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post #12 of 13 Old 10-20-2014, 09:31 AM
Matta94GCL
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Yes! I plan to do this too, but only when my existing axle gives up.
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post #13 of 13 Old 10-20-2014, 04:17 PM
coralman
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Polka, why do you put temptation in front of me?

Info on projects and repairs categorized by system
http://www.jeepforum.com/forum/f13/c...-faqs-2863665/

Originally Posted by HighLonesome
lol...if life is as a simple as a 5.9 making you happy, I'd say go ahead and buy it on impulse. ZJs are the way of Zen. Wax on, wax off
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