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Unread 08-27-2013, 03:16 PM   #1
TrucksBootsNGun
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1988 MJ Comanche 
 
Join Date: Aug 2013
Location: Flagstaff, ARIZONA
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Comanche Frame Stiffening Advice

Hey guys recently bought an almost stock 1988 Comanche 4.0L only upgrades being I converted it an open radiator system and made my own custom rear bumper. I hear from a lot of people that the these things are easy to bend while recovering the truck, so naturally I would like to stiffen the frame before it happens. What is the best way to do so? I have a the 7' bed (which I believe means I have the Pioneer model which includes a stiffened bumper mounts from the towing package). I would like to add a winch at a later time so I assume the front needs to be stiffened as well. how far should I go in stiffening the middle of the frame? A book that came with the truck (High Performance Jeep Cherokee XJ Builder's Guide 1984-2001) recommends using the T&T Customs belly pan but I wondering since my truck is much longer than a Cherokee if that one pan will be enough. Sorry I know its a lot but I appreciate any help/advice/thoughts you guys have!

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Unread 12-19-2013, 09:25 PM   #2
tnadanzig
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I would use the TNT frame stiffeners for the XJ and just add some length. They also make a belly pan for the MJ. You only really need to protect the vitals which the belly pans do. Or you would just add some 3/16 steel or make another plate in a area you are worried about.
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Unread 12-20-2013, 05:01 PM   #3
chris87xj
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TNT are indeed popular with the xj crowd.
This thread is old too but still has relevant discussion. Pre made unibody stiffeners. What are you running?
One pan would be enough to bring some unity to the center area.
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