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post #1 of (permalink) Old 10-24-2007, 12:11 PM Thread Starter
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YJ brakes on a CJ

Any thoughts on the common practice of placing YJ brakes on a CJ?

Here is one of many links showing the How-To:

Busted Jeep.Com! - In The Garage - YJ Brakes on a CJ

Good/Bad idea?

-John
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post #2 of (permalink) Old 10-24-2007, 02:00 PM
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There are two primary factors of brake performance: Ability to apply stopping force, and ability to shed the heat generated doing so which, if insufficient, leads to brake fade. That modification won't help with the latter problem, which you might encounter going down long grades or stopping from high speed, especially when pulling a trailer or carrying a heavy load.

If you aren't having fade problems, and already have power brakes, it looks like a good idea. Otherwise, you might be better off incorporating a CJ booster unit.

EVERYTHING's easy for the guy who doesn't have to do it.
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Last edited by Jim_Lou; 10-24-2007 at 02:02 PM. Reason: Clarification
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post #3 of (permalink) Old 10-24-2007, 07:52 PM
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I used the Master/Booster Cylinder from a YJ on my CJ with no other problems than to change over to the EFI system. It works great but if you need a CJ booster for brakes I have a brand new one I'll let go for cheap.

Booger

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post #4 of (permalink) Old 10-24-2007, 09:00 PM Thread Starter
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Thanks for the offer!

I would like to put a booster on my '81 CJ7.

You can contact me at jroberts321 at gmail.com to talk details.

Thanks,

-John
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