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300mm front brake upgrade

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Old Oct 27, 2014 | 08:42 AM
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Default 300mm front brake upgrade

I have been researching what to do to upgrade my brakes since my lift and 33s. I have came across the 300mm upgrade from Australia and see where many got a much better deal than what I find now on ebay, which is the only place I cN find it available. I can't afford almost a grand and just wondering if anyone can help me out. Does anyone know a direct connection where to buy this kit and maybe put together a group buy or at least do better than what they are asking on ebay?
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Old Oct 27, 2014 | 08:56 AM
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Have you looked at the wj knuckle swap?
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Old Oct 27, 2014 | 10:49 AM
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yes but really would like to stay with my current knuckles because I already have all my steering setup and already put new ball joints.
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Old Oct 28, 2014 | 01:40 AM
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I found these http://www.tandrperformance.com/trbigbrkitfo.html
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Old Oct 28, 2014 | 07:47 AM
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Originally Posted by Doug84
I have been researching what to do to upgrade my brakes since my lift and 33s. I have came across the 300mm upgrade from Australia and see where many got a much better deal than what I find now on ebay, which is the only place I cN find it available. I can't afford almost a grand and just wondering if anyone can help me out. Does anyone know a direct connection where to buy this kit and maybe put together a group buy or at least do better than what they are asking on ebay?
What year XJ do you have?
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Old Oct 28, 2014 | 08:03 AM
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Get some ebc green stuff pads and rotors of your choice. Bleed brakes. Case close.
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Old Oct 28, 2014 | 08:50 AM
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Stock brakes are poor at best with big tires and heavy bumpers, skid plates, winches, sliders, etc.

I don't think that those Australia brake kits are available. I saw a set on ebay once but the shipping was like $500.

Check here-- http://jeepm62superchargerkit.blogsp...blog-page.html

Can't do much with the stock knuckles.
You can change to the old style XJ knuckles which reuses your ball joints, hub bearing, and steering. They have large lugs that the calipers bolt to.
Options then are mustang rotors and mustang calipers, sport trac rotors and mustang or WJ calipers, cobra or Shelby rotors and brembo calipers. All depend on your wheel size.
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Old Oct 28, 2014 | 08:05 PM
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Need to know what he's working on................................................ ...............
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Old Oct 29, 2014 | 07:31 AM
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Sorry, I am working on a 98
Wheels are 15x8 with 3.75 bs

Last edited by Doug84; Oct 29, 2014 at 07:34 AM.
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Old Oct 29, 2014 | 08:06 AM
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Originally Posted by Doug84
Sorry, I am working on a 98
Wheels are 15x8 with 3.75 bs
Okay. So, you've got the good brake booster and decent front brakes.

How about Black Magic pads on the front and converting to 94 to 98 ZJ rear discs with Black Magic pads also?
I'm assuming you have a Chrysler 8.25 rear end?

Easy as pie.
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Old Oct 29, 2014 | 12:15 PM
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Originally Posted by cruiser54
Okay. So, you've got the good brake booster and decent front brakes.

How about Black Magic pads on the front and converting to 94 to 98 ZJ rear discs with Black Magic pads also?
I'm assuming you have a Chrysler 8.25 rear end?

Easy as pie.

Is this going to yield me much more braking than I already have now? I am running 33x12.50 with winch and bumper and heavy rear bumper.
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Old Oct 29, 2014 | 12:20 PM
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Originally Posted by Doug84

Is this going to yield me much more braking than I already have now? I am running 33x12.50 with winch and bumper and heavy rear bumper.
I can lock up 35 swampers with ebc green stuff, so yes.
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Old Oct 29, 2014 | 01:14 PM
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If you have 18" rims, this is what you can run. 14" Rotors, SRT-8 Brembo 6 piston Calipers, early XJ knuckles.

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Old Oct 29, 2014 | 08:37 PM
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Originally Posted by cruiser54
Okay. So, you've got the good brake booster and decent front brakes.

How about Black Magic pads on the front and converting to 94 to 98 ZJ rear discs with Black Magic pads also?
I'm assuming you have a Chrysler 8.25 rear end?

Easy as pie.
Good pads and rear discs will be a big improvement.
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Old Oct 29, 2014 | 08:47 PM
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Originally Posted by Doug84
Sorry, I am working on a 98
Wheels are 15x8 with 3.75 bs
Originally Posted by CobraMarty
If you have 18" rims, this is what you can run. 14" Rotors, SRT-8 Brembo 6 piston Calipers, early XJ knuckles.
Seems excessive to buy 4 ugly 18" rims and added brake items when really he just needs to convert rear to discs,get better pads and possibly swap the PV. This worked for me plus brakes don't lock up as easily in wet situations like my old drums
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