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Installing Blocks

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Old Oct 17, 2010 | 06:42 PM
  #1  
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From: Nampa ID
Year: 1986
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Default Installing Blocks

So i don't have the money right now to get new leaf packs for my rear, they are sagging bad. So i figured for the time being i would just give it some blocks to at least level with the front. I found a 2" block kit for $45 (Rough Country).http://www.jcwhitney.com/rear-axle-l...13d1163y1985j1

I dont know how these install is it a matter of lifting, unbolting the axle, and fitting the blocks to the leafs?
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Old Oct 17, 2010 | 06:50 PM
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Year: 1989 xj sport 2dr
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ever get the radio fixed they also sell them at pep boys no waitihg for ups
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Old Oct 17, 2010 | 07:02 PM
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Yea the extra wire was the 12+ constent. So ran it to the fuse box and wala radio is working good other then Sh!ty speakers. Pep boys sells blocks?
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Old Oct 17, 2010 | 07:04 PM
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seen blocks at autozone also. came with u-bolts if i remember correctly also.
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Old Oct 17, 2010 | 07:07 PM
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yes over where the towing stuff is there aluminum but i ran them for 5 years under my xj with 7.5 inches of lift no prob
Attached Thumbnails Installing Blocks-07-25-09_1017.jpg  
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Old Oct 17, 2010 | 07:15 PM
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so i have no pep boys as im Idaho. Do have an auto zone and looks like they have them in stock. yea so running thru the lists of things wrong, i would like to fix the sag, i also have a miss. guess im going to check plugs and wires and try and make sure there are no vacuum leaks.
Any tips or reminders for putting the blocks on?
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Old Oct 17, 2010 | 07:20 PM
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From: Broward County Fl.
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be carefull and make sure you put the washers under the nuts lock washer would be a plus from hardware store tighten them evenly and good and tight check the a couple of time the first week or so then again in a month or so
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Old Oct 17, 2010 | 07:26 PM
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So here is what im thinking.

Loosen nuts on ubolts and rear shocks. raise the rear body with jack. put blocks on lower body on to blocks, tighten everything up.
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Old Oct 17, 2010 | 07:41 PM
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raise xj take off tires set jack stands as high as they will go jack truck up so you can slide them on frame one on each side as close to where the front of rear spring bolts to truck this must be done on hard level ground loosen and remove bolts and with floor jack lower rear axle just low enough to put blocks in stay out from under xj and keep fingers out of any where the can get crushed raise xj rear slowly every thing is back together a second person is really neede for this to be safe to steady rear axle while lowering and raiseing bolt it al back up tight and even and check often
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Old Oct 17, 2010 | 07:48 PM
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thanks for the quick walkthru, i will post the result.
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Old Oct 17, 2010 | 07:59 PM
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any tine its safer to lower the axle than raise the whole body geter done
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Old Oct 17, 2010 | 08:10 PM
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oh, one thing noone mentioned sofwhitewolf is that your old u-bolts you will more than likely end up needing to cut. The kits at autozone i THINK coem with ubolts, not sure if they are the correct size or not tho. Just take your time and be careful and you should be okay.
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Old Oct 17, 2010 | 08:16 PM
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I wouldnt trust the block kits from autozone. Bought one for the U-bolts to go with my 1.5" Rocky Road blocks (solid steel). The blocks are hollow aluminum and in my opinion didnt look strong at all. I think if you tightened down to hard on the U-Bolts the block might even crack. Also, be certain to not overtighten the U-bolts if they're grade 8 (hardened steel) If you overdo it you might strip out the threads like what happened with mine, but if that does happen just take the u-bolt back to autozone with the receipt and they should give you another.......had to replace one of the U-bolts yesterday, seems it got stripped out when it was put on in a way that it wouldnt come loose but it wouldnt tighten down anymore either
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Old Oct 17, 2010 | 08:17 PM
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Originally Posted by EMAXX620
oh, one thing noone mentioned sofwhitewolf is that your old u-bolts you will more than likely end up needing to cut. The kits at autozone i THINK coem with ubolts, not sure if they are the correct size or not tho. Just take your time and be careful and you should be okay.
the U-bolts come oversized, you'll have to cut them off some so they dont hit the sway bar
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Old Oct 17, 2010 | 09:13 PM
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i just put a 2 inch block kit from autozone on my 98xj 2 door today
and it was easy everything seems to work out fine
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