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Old 04-26-2010, 08:14 PM   #1
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98 Exhaust manifold

I got a couple bucks to spend, thought about buying a winch or a set of half doors, but being that my TJ is my DD, I thought I'd better fix the actual jeep before I add more to it. - Having a nice winch on the front of a broken down jeep is kinda dumb...

So I know there's a crack in my exhaust manifold, From what I've heard it's because the motor heats up so fast and the 1 piece manifold has a hard time expanding with the motor (or something like that)

So what's the verdict? (it's a 6 cyl)
-The new manifold with the flexie parts in it?
-Weld up the stocker? (I weld, but only wanna fix this once...)
-I've also heard that the stock manifold off a 02-06 I6 are 2 piece and don't brake/crack?
-Something else I havn't heard of?

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Old 04-26-2010, 09:52 PM   #2
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Get the newer stock manifold with the expantion joints and be done. If you put one without the expansion joints...well you will most likely be changing it down the road again. Even if you go with a banks or other aftermarket header...they are also highly known to crack.

Here you go for the manifold....
1998 98 Jeep Wrangler Exhaust Manifold 4.0L Gasket NEW : eBay Motors (item 270567433293 end time May-21-10 13:47:04 PDT)

And here is a great writeup for changing it out...simple job....
[Repair] Exhaust Manifold Replacement Guide


Obviously I think you should fix the jeep itself before buying toys for it, but that's your choice with what you want to do.
If you need anymore help let us know bud.

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Old 04-26-2010, 09:55 PM   #3
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uhm, that link is just the gasket?
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Old 04-26-2010, 10:00 PM   #4
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Quote:
Originally Posted by Dirt View Post
uhm, that link is just the gasket?
Nope it's everything in the picture...the seller just doesn't know how to write a title.

Scroll to the middle and read the description for what is included...it's everything.

I've ordered it in the past.

Also ordered this one and is the one currently on my jeep.....

http://cgi.ebay.com/ebaymotors/1998-...item1e5b1e0e11
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Old 04-26-2010, 11:22 PM   #5
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$67 bucks for a new manifold??
damn I love jeeps, ebay, and paypal!

Thanks guy!
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Old 04-27-2010, 12:08 AM   #6
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So...are you doing the smarter thing and fixing the jeep first?
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Old 04-27-2010, 06:44 AM   #7
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For $67 bucks, I have to.
Thanks
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Old 04-27-2010, 11:25 AM   #8
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After reading this Thread I am pretty sure I have the same issue and need to replace my exhaust manifold as well. Awesome thread and links guys!! Thanks for the quality info.

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GO STEELERS!!

'99 TJ Sport, 4.0L
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