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Old 12-26-2010, 12:13 AM   #1
Join Date: Dec 2010
Posts: 10
Timing Chain & Rear Disc conversion


I have a 95 Wrangler that failed Smog for high NOx. It also lacked power coming up a medium grade. Is this common for the 2.5? I replaced the distributor, tuned it up and it still failed. I figured with 203K on it the timing chain could be worn. When I pulled the cover the chain had some slack even with the tensioner. I was suprised by how much slack was in the new chain but when I unlocked the tensioner it did take up the slack. I've never worked with a tensioner system and a chain, is this slack normal? It runs better and seems to have better power but not really much. Next I'm going to replace the CAT and retest. If it fails CA smog next time I'm gonna put AK tags on it and move on. (I'm active duty and can legally do this, I just figured if I want to sell it in CA it would help to have CA tags)

Has anyone converted the rear brakes on a 95 to disc?


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Old 01-01-2011, 11:58 AM   #2
Join Date: Sep 2008
Location: Terlingua
Posts: 265
I did a rear disk conversion on my 89, made my own brackets out of 3/8" steel plate, welded them to the axle tubes, used GM metric calipers w/e brake, and 95 YJ front rotors. Real clean install, easy to get parts, and works great.

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Old 01-02-2011, 10:39 AM   #3
Join Date: Dec 2010
Posts: 10
I'm thinking about making the plates also. Do you happen to have a picture? Did you change the proportioning valve?
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Old 01-02-2011, 11:49 AM   #4
Join Date: Sep 2008
Location: Terlingua
Posts: 265
Yes I did change the valve, I used an adjustable from Summit or Jegs don't remember which one. Photos are here in my build post http://www.wranglerforum.com/f8/time...d-27750-2.html

If you have other questions let me know, be glad to help

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