4.0 head swap - JeepForum.com
 
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post #1 of 4 Old 06-16-2006, 08:13 AM Thread Starter
firebob
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4.0 head swap

I'm just lining up parts for the 4.0 head swap and I' m wondering how to make the connection to my exhaust from the new header.I realize that I'll need to have some exhaust work done,Is it possible to use a headpipe from a newer wrangler to mate to my CJ?Can anyone tell me what year/s pipe will work? Thanks...

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post #2 of 4 Old 06-16-2006, 09:19 AM
solitudetree
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http://monsterslayer.com/jeep/40Head/40Head.htm

This is probably one of the best write-ups out there. It gives you all the info you need to answer your question.

All the Jeeps I've owned
79 CJ5 258 six with a weber (current vehicle) T18/Dana20
81 CJ5 258 six (driven out of Alaska thru Canada in winter with a softtop)
75 Jeep Wagoneer 360V8
79 Jeep Cherokee 258 six
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post #3 of 4 Old 06-16-2006, 01:49 PM
jadams68
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You can use the CJ head pipe with minor adjustments to your cat.
The YJ pipe bends the wrong way. An exhaust shop can do all of this for you if you tow the rig to them.

-----------------------
I used to own two CJ's...Perhaps a 3rd is in the future?
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post #4 of 4 Old 06-16-2006, 02:02 PM
pushead
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I just bolted the header on mine and drove it to the muffler shop for fabing. It was load as sin but easy. Only $100 bucks to run some custom pipes for me.

Its not a jeep if it dont have 4wd.
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