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Unread 12-18-2014, 09:57 AM   #1
Dborns
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1984 CJ7 
 
Join Date: Jan 2010
Location: Kansas City, MO
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Need a body mount measurement on frame

I'm needing the body mount measurements for the rear crossmember thats just in front of the gas tank. The two original holes were eaten away, so I had a few pieces of stock welded back in, and can't find the exact measurements anywhere. I measured where the captured nuts are in the tub, but those didn't land very close to where the original holes were.
If anyone has their tub off, and can take a measurement, I need from the top, front of the crossmember, back to the middle of the hole, and then from the side of the frame to the middle of the hole.
Thanks

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Unread 12-18-2014, 11:01 AM   #2
keith460
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1984 CJ7 
 
Join Date: Jan 2007
Location: Doylestown, PA
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You should always measure from a centerline. Find the middle of the frame at each end and use a chalk line to mark center on the entire length. Much more accurate that way.

They should be 31.26" apart or 794mm. (15.625" or 15-5/8" from centerline)


Look at 'K' in the frame drawing below for body mount #5.
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Unread 12-19-2014, 05:02 PM   #3
Dborns
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I really wanted to get the tub back on the frame, so I could move onto the next project, so I didn't cut the holes for these mounts yet. My plan is to install the other body mounts so I know that everything is lined up, then I can work from under the frame and drill the holes. With the tub up off the frame the width of the rubber mounts, I'll have enough room to be able to see the bolts in the tub, and drill up from underneath the frame. The measurement of 31.26 you put in post #2 helps also, thanks!
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