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clearance problem with rear u-joint and gas tank

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Old Oct 28, 2011 | 04:44 PM
  #1  
pipemn's Avatar
Thread Starter
JK Newbie
 
Joined: Apr 2010
Posts: 1
Likes: 0
From: lake havasu city,arizona
Default clearance problem with rear u-joint and gas tank

I have a 2010 2dr rubi with the following mods.3"short arm kit from terra-flex,coast drivelines w/1350 u-joints,front axle
gussets,axle tubes, upper truss and hd ball joints,rear evolution axles,ten factory chromoly front axles,superior 5:13 r&ps,rockhard rear bumper w/tire carrier,rockhard rock rails,tera-flex front bumper,warn 12000 winch w/air comp.,front and rear tera-flex adjustable track bars,fox shcks w/remote res.,35"12.50*15 mt/r goodyears on walker evans beadlocks,bushwacker flat fender flares.Sorry for the long list,just wanted to give as much info as possible.
Problem being,at agressive articulation the rear u-joint yoke(the one on the pinion shaft)makes contact wih my gas tank.Also the bottom rear corner of the tank just touches the main rib on the third member.I cannot modify tank or move tank as i have already checked this out.
Hope my description is clear enough.would appreciate any suggestions on this problem.
This is my first post so be patient,please.

Last edited by mkjeep; Oct 29, 2011 at 10:32 AM. Reason: Blacklisted manf
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Old Oct 29, 2011 | 10:27 PM
  #2  
KenB1010's Avatar
JK Freak
 
Joined: Mar 2007
Posts: 709
Likes: 3
From: Frazier Park, CA
Default

You can lengthen your control arms and push the rear axle back up to 1". Watch for a bow in your springs and check wheel well clearance. You can compensate for spring bow by using wedges or get new spring purches. I used JKS on mine. For the DS, note where it is rubbing on the skid. Remove the fuel tank skid and use a BFH to clearance the skid. The tank floats inside of the skid plate so you can gain 1" of clearance for your DS. If you have the coast DS with the aluminum adapter plates you can use a grinder to round over the shoulder as well.
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Old Oct 29, 2011 | 10:31 PM
  #3  
KenB1010's Avatar
JK Freak
 
Joined: Mar 2007
Posts: 709
Likes: 3
From: Frazier Park, CA
Default

Originally Posted by KenB1010
You can lengthen your control arms and push the rear axle back up to 1". Watch for a bow in your springs and check wheel well clearance. You can compensate for spring bow by using wedges or get new spring purches. I used JKS on mine. For the DS, note where it is rubbing on the skid. Remove the fuel tank skid and use a BFH to clearance the skid. The tank floats inside of the skid plate so you can gain 1" of clearance for your DS. If you have the coast DS with the aluminum adapter plates you can use a grinder to round over the shoulder as well.
Do a search on removing the fuel tank and skid. It's not hard, but it's easy to brake the plastic vent line nipples if you don't do it right
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