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Kraqa
01-13-2006, 12:28 AM
Well i'm convinced this swap can be done on a stock ZJ. I cannot say for sure but it looks like it would fit with all the sheel metal in there. You would probably have to have a K&N style air filter tho.

So here it is.

Brake booster and Master cylinder from a F350 mid 90's. In my pics i used a F250 MC because it has a 1-1/16" bore, the F350 has a 1-1/8" bore. i Have both MC's they are exactly the same dimensional wise. I figured that my buggy is light i do not need CRAZY breaking. but both will work.


This is the total assembly
http://img.photobucket.com/albums/v280/Kraqa/Kraq-Rock%20Buggy/100_1890.jpg

The stock fire wall holes must be reammed out as the new Booster's stud pattern is a tad bit wider in all directions.

Before
http://img.photobucket.com/albums/v280/Kraqa/Kraq-Rock%20Buggy/100_1891.jpg

After
http://img.photobucket.com/albums/v280/Kraqa/Kraq-Rock%20Buggy/100_1893.jpg

The stock break petal will work. it has the right amount of travel and the stud is located in the right location. The mounting wholes will also have to be reamed out. They do not need to be as enlarged horrizontally as the fire wall because the braket can stretched out just a bit due to its flimsy sheet metal constructtion.

http://img.photobucket.com/albums/v280/Kraqa/Kraq-Rock%20Buggy/100_1894.jpg

The new booster and MC in place
http://img.photobucket.com/albums/v280/Kraqa/Kraq-Rock%20Buggy/100_1895.jpg
http://img.photobucket.com/albums/v280/Kraqa/Kraq-Rock%20Buggy/100_1896.jpg

Now the stud on the ZJ petal is only 7/16" OD and the coller on the Booster is a 9/16" ID so you will need to get a small peice of DOM tubing cut with a 7/16" ID and a 9/16" od approximatly 5/16" long to use as a bushing.

http://img.photobucket.com/albums/v280/Kraqa/Kraq-Rock%20Buggy/100_1898.jpg

i will be making that tomorrow. then you need to run new lines and bleed the system.

Kraqa
01-13-2006, 12:31 AM
the shaft comming out of the booster is shaped like a J. If you look closely in the top the shaft kind of hooks upward. In order to make it work with the ZJ petal you simply need to turn is to point down. Look in the last pic. the Booster input shaft is the small brass lookign thing.

BigDaveZJ
01-13-2006, 02:01 AM
edited the title so searches might actually find something about BRAKES and not 1-ton stuff BREAKING. Damn Canadians . . . . :flipoff2:

Kraqa
01-13-2006, 02:10 AM
ya ya buy my t-case!

Tommy
01-13-2006, 02:12 AM
What kinda t-case you selling?

Tommy
01-13-2006, 02:13 AM
duh, twin sticked d300. what would shipping be for that mofo? 92117.

Kraqa
01-13-2006, 02:16 AM
i dont know. i can find out tomorrow

Kraqa
01-13-2006, 02:18 AM
Edit:

fedex ground 5 days 56.78 CAN

SLO MO
01-13-2006, 05:50 AM
I see you're a Princess Auto shopper :). I fawkin love that place. I just go there and walk around for like an hour every couple of weeks. Lotsa junk but most chit they sell is one time use anyway.

Useless post but hey, its late.:smt024

Krash80
01-13-2006, 09:38 AM
Hey Kris-

You know a stock XJ booster works just dandy with a Chevy K20/30 MC and has all the fluid/power ya need to work big brakes, right? ....and it all bolts together with no modifcation whatsoever. So why did you spend all that canadian time dicking around with that? Are the front 60 calipers that much bigger than the 3/4 ton ones? I don't think the ones on my '99 superduty don't look much bigger than the ones on my jeep.

I've got the big twin piston F250 calipers in front and the Chevy K10 front calipers on the 14b, and I can lock up all four 37's on my heavy bitch at any speed.

Kraqa
01-13-2006, 01:05 PM
cause i like to be difrent. lol

my front calipers are hella big they almost drained my stock MC when i pushed down on the petal and there were hardly any breaks. so i went with big. plus this stuff is cheep from the wrecker. i payed abotu half wwhat i woudl have for jeep parts.

DND
01-13-2006, 05:19 PM
edited the title so searches might actually find something about BRAKES and not 1-ton stuff BREAKING. Damn Canadians . . . . :flipoff2:

Hey now, that's NOT a Canadian thing, it's just a Kraqa thing.