1990 shortbed with 2000 swap

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These Rock Trix rims are about 8 Lbs. lighter than the icon rebound Rims. There was a noticeable difference in getup and go with them. Gears happening next, Muds and 3.55 gears equal about 12mpg. With the 31s and 32s it was getting 14.5mpg.

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Found out why the rear was so noisy, Bearings were roached!

 

Dropped to 4.88 gears, It's got room for 37s so wanted to leave the future option open.

[grainofsalt]

Posting these out of order, but flexed the MJ a little to measure for bumpstops.

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Small update, Pulled the extra spring rubber out to give the truck a little bit of rake to it.

[grainofsalt]

Well, this is cool, My MJ is the MJ of the month: https://comancheclub.com/topic/74908-july-2025-a-2000-swapped-shortbed/

[grainofsalt]

Took the truck on a 1000 mile roadtrip. It did good, running 65-70 with cruse on it did 16 MPG.

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One of these is not like the rest…

 

It’s car show weather again. 

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Somebody made a YouTube short of the MJ. Kudos to guy who filmed this!
 

https://m.youtube.com/shorts/Fva_k3SiP78?ra=m

[grainofsalt]

Small upgrade this weekend: Put a diff cover on from a 2004-2009 Dodge Durango or Chrysler Aspen 8.25.
Some came with the 9.5 axle so count the cover bolts; 12 bolt is the 9.5 the 10 bolt is a 8.25. 
 

To pull one of these you’ll need a 21mm for the Watts linkage bolt and a 13mm for the cover bolts.

Take the mounting bolts, They are longer than the XJ 8.25 cover bolts.

 

Pull the two alignment dowels out of the backside and you’re good to go. 
 

It’s a nice little budget upgrade. It also puts the fill hole about an inch higher.