The Mud Pit > Wrenching
97 TJ project
smaug1911:
So I just got a 97 TJ to work on from a friend. I hope to give it back to them by June.
Gonna need alot of work. Hopefully you Jeep guys can help me out with some advice on good parts to use.
Let's start with complete exhuast manifold back....any advice?
skibum:
Depends on how much cash he has. Lits start on exhaust. The 4.0L alwAys had issues with cracked exhaust manifolds. Jeep cured this with an updated manifold with flex joints at each end pipe. But at $600 not sure your budy want's to spend that. Not sure any after market manifold has thoes flex joints but some offer good Warranties. Just do some resurch on line. Google is your best friend on this.
calvynandhobbs:
There is at least one aftermarket pipe on the market with the flex joints also. I prefer those over the headers. I've seen a couple of the headers crack just like the stock manifold did.
kirksjeep:
--- Quote from: calvynandhobbs on January 19, 2014, 04:44:07 AM ---There is at least one aftermarket pipe on the market with the flex joints also. I prefer those over the headers. I've seen a couple of the headers crack just like the stock manifold did.
--- End quote ---
My Bro-in-law had a Borla that was replaced 3 times in 2 years because it kept cracking at the collector. Your best bet is to look for a stock maniford on Ebay. The 4.0L only sees minor performance gains with a header and the reliability goes way down.
smaug1911:
I've seen some aftermarket manifolds with flex joints under $200...rockauto.
Any other consistent problem areas I should be aware of?
This thing has been sitting for about 5 years and something(s) have definitely lived in it.
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