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3" XJ Lift for MJ


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Ok, I have an XJ that has a 3" lift on it now. I'll be swapping the front springs and fixed LCA's that came with the lift on the Eliminator. Just for grins, I put both Jeeps nose to nose to see the difference before the swap.

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I really don't see that much difference. The gold one is the XJ with the lift and the black one is the Eliminator without lift. Why is that so? The tires on the XJ are 225/75R15's and the ones on the Eliminator are 235/75R15's.

 

Jerry

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Looks like the drive way is sloped.. I would definitely measure for height, seeing as the fenders/flares look intact. 

Does your MJ have V8 ZJ coils in it, maybe some kind of replacement HD springs? 

STOCK, center of wheel hub to bottom of flare is 17.5 in the front. Take measurement and subtract 17.5 from the number you get. 

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Just took measurements, for the front, the XJ is at 20", and the MJ is at 19", but, I still have the rear off the ground, so that might not be a true measurement. The XJ has a 3" Rough Country lift, with lift coils, fixed LCA's, a track bar relocation bracket, and a rear add a leaf. Not using the add a leaf, as I already had one for my pack.

 

Jerry

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A quick way to check lift is to measure the lower control arm mounting bolts from the ground. The lower control arms are pretty much level from the factory. So if you lift the vehicle the body side lower control arm bolt is going to be higher then the axle side lower control arm bolt. The difference between the two is the amount of lift you have in the front. This is not exact, but it is close enough to judge about how much lift you have.

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Just took measurements, for the front, the XJ is at 20", and the MJ is at 19", but, I still have the rear off the ground, so that might not be a true measurement. The XJ has a 3" Rough Country lift, with lift coils, fixed LCA's, a track bar relocation bracket, and a rear add a leaf. Not using the add a leaf, as I already had one for my pack.

The hub-to-flare measurement for a stock suspension should be 17-1/2" for the front. So the XJ is a 2-1/2" lift, and the MJ is riding 1-1/2" higher than stock.

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A quick way to check lift is to measure the lower control arm mounting bolts from the ground.

This is invalid, because the measurement can change depending on tire size, and even tire pressure. Either use the hub-to-flare method already discussed, or crawl underneath and use the method Pete referred to. Hornbrod posted a link to that in a recent thread abut lifts and suspensions.

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If you could, do both ways, hub to flare and the lower control arm bolts and see what the results are. Just curious. I was shown this way because my flares where cut out when I got my XJ and the owner said it was a 4 inch lift. When I bought new shocks for it they were to long. Found out it was only 2.5 inches.

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Ok, just measured. Both rear corners are at 21 1/4", the front pass side is 20 1/4" and front driver side 19 3/4". Anyone know what could cause the driver side to be an inch shorter? Thanks

 

Jerry

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crappy spring?  sag from having a driver there all the time?  bind in the suspension?  unlevel ground?  accident? super concentrated gravity at that point in the driveway?  :dunno:

 

Depending on the driver.  Could have been a 300 pounder...and that would create concentrated gravity.

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