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Unread 11-04-2013, 03:29 PM   #1
TheLaw360
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exhaust manifold leak... headers?

So my manifold is leaking. I understand a little about upgrading to headers in general... But not in an old Jeep. Is it a viable option or a good idea in general. I require no emmision testing so leave all that discussion out.

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Unread 11-04-2013, 03:34 PM   #2
Matt1981CJ7
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It would be helpful to know what engine.

Matt
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Unread 11-04-2013, 04:57 PM   #3
TheLaw360
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sorry matt. It's the 4.2 i6 1982


the thing is. new manifold = 160... used under 100... new headers 250-450. Thats quick searching not alot of price checking
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Unread 11-04-2013, 05:17 PM   #4
TheLaw360
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just so i'm not wrong... does this look off to any of you. It's exhausting from the real bad looking part. Also should the gasket be sticking out like that?
manifold.jpg  
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Unread 11-04-2013, 05:23 PM   #5
Matt1981CJ7
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I personally don't think headers are worth the money on a 258. They seem to have their share of problems, too.

...but that's just my $.02 and a pocket full of lint.

Matt
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Unread 11-04-2013, 05:55 PM   #6
82JeepCJ7
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What you see sticking up is the intake manifold gasket. Yes, since it covers 3 sections, they are joined by what you see. The exhaust manifold gasket is behind that, and has small perforations in it.
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Unread 11-04-2013, 06:54 PM   #7
TheLaw360
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great thanks...

is it safe to wire brush and paint the engine or will wire brushing it remove too much material. Sometimes a good oxide layer can help... is this one of those times or am I safe to bust out the angle grinder and bristle brush?
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Unread 11-04-2013, 07:01 PM   #8
swatson454
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Quote:
Originally Posted by Matt1981CJ7 View Post
I personally don't think headers are worth the money on a 258. They seem to have their share of problems, too.

...but that's just my $.02 and a pocket full of lint.

Matt
You have to try them first. I bet I have less change and more lint


Shawn
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Unread 11-04-2013, 08:04 PM   #9
Matt1981CJ7
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Quote:
Originally Posted by swatson454 View Post
You have to try them first. I bet I have less change and more lint Shawn
That's true, I've never had headers on my CJ.

I have a buddy who had them, however, and I know he constantly fought them. It could have been a crappy brand.

Anyway, I've always had decent success with factory manifolds. Sure, you have to keep an eye on the bolts, but I think that applies to any style. I'd have to see some concrete performance data to convince me that headers make much of a difference on a tractor engine.

Matt
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