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Unread 06-24-2013, 04:54 PM   #1
79cj7amc304auto
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2013 JK Wrangler 
 
Join Date: Jan 2013
Location: East County San Diego, CA
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304 block head surface

Hi there I'm reinstalling my head and there are two metal sleeves on each side of the block on drivers side and only one in front on passenger side. These sleeve are raised and help to hold the gasket in place and since I'm missing the one in the rear on the passenger side I'm worried about the gasket slipping when I drop the head down. Any suggestions? I'm not using gasket sealer so I guess my main question is is that sleeve absolutely necessary or could I do this without that piece in place? If I were to replace it where would I fin an exact replacement? Is it something I'm gonna hafta fabricate? I so where do I get the material? A piece of 1/2 inch copper fits perfectly over the sleeves so that is the rough outside diameter.

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Unread 06-24-2013, 05:46 PM   #2
roboto65
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1976 CJ5 
 
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Was it always missing or maybe did it stick in the head when you pulled it off like mine not sure where to find a replacement but sure someone on here will chime in and have one on a old block.
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Unread 06-24-2013, 08:52 PM   #3
fuzz401
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1978 CJ7 
 
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like said check your heads to see if they are in them if not check napa they should be able to get they

they are needed to keep the head in the right place

found this
The head dowels are still dealer parts (Mopar) since they're the same as the last 360 used in 91.
J400 5149 is the part number.
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Unread 06-24-2013, 09:25 PM   #4
texasdave
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Machine shops usually keep a pile of them around.
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Unread 06-24-2013, 11:57 PM   #5
79cj7amc304auto
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Location: East County San Diego, CA
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Thanks so much!!! The machine shop guy in town thinks he can get one for me tomorrow. Sweet... I can keep building!!!! I owe ya all one!!! I will return the favor by helping out someone else here when I can.
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