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Unread 05-26-2010, 05:46 PM   #1
Dborns
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1983 CJ7 
 
Join Date: Jan 2010
Location: Kansas City, MO
Posts: 1,410
Replacing header gasket on amc 360

I had some exhaust work done on my '77 today, and when I picked it up, the mechanic showed me where I had a leak on one of the headers. It's on the drivers side, around cylinder #5. He pointed out the dark areas around the covers, and I could feel and hear the leaking exhaust. He said replacing the gasket is real easy; He thought I could just back the bolts out some and drop it in there. I've ordered the gasket from Oreilly, but I haven't seen it yet, and the salesman asked if if was supposed to be "U" shaped? I would think I would have to remove the exhaust manifold to get a new gasket in. I've looked through my Haynes manual, but they don't have any steps to doing this. Can someone give me a brief idea of how to do it easiest, and any tips would be helpful.
Thanks

He also asked me, again, what year the motor was. Since I've never been able to find anything on the motor to tell me that, I have no idea. I told him I figured any gasket from an AMC 360 would work; he found a '78 Matador in the computer with that size motor. Am I on the right track?

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Unread 05-26-2010, 05:57 PM   #2
nshefbuch
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1982 CJ7 
 
Join Date: May 2009
Location: piqua, OHIO
Posts: 1,865
you have to take out all the bolts to remove it. only the outer two bolts drop on and the rest are complete holes that the bolt must go through. make sure you buy expensive header gaskets. i've used cheap ones and you get what you pay for. nows the time to look into header bolts like stage eight locking bolts. i did when replacing my gaskets.
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Unread 05-26-2010, 06:41 PM   #3
Dborns
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1983 CJ7 
 
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Ok, so all the bolts but possibly the two ends need to come out. Is there a torque setting and sequence to use on the new bolts?
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Unread 05-26-2010, 08:09 PM   #4
nshefbuch
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1982 CJ7 
 
Join Date: May 2009
Location: piqua, OHIO
Posts: 1,865
don't know the torque specs, i just tightened them and used the stage eight locking fastners so they don't come loose and i started inward and worked my way outwards.
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