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Unread 07-05-2013, 04:35 AM   #1
ErikTheRad
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1993 ZJ 
 
Join Date: May 2010
Location: Marysville
Posts: 420
Fender trimming.... alittle advice needed

I've read alot lately about fender trimming to make room for larger tires. However, people do alot of different trimming on different parts of the fender lip/inner fender/bumper cladding. I have finally collected all the parts (I think) to do my suspension and I need to know from those with experience as to what and where I'll need to trim, if at all. I am installing OME HD springs and ProComp ES9000 shocks with new isolators at all 4 corners (thanks Kolak!), should net 1" to 2" of lift. I have a new set of 31" A/T's on stock Wrangler/XJ wheels with a 1.5" spacer for a total of 3.75" backspacing. I'm thinking I'll hammer down that inner fender pinch seam and maybe trim about .75" to 1" off of the fender lip front and rear, the part that curves under and looks like it could cut the crap outta the tire if it hits. I'd really rather not cut out any of the fender beyond the lip-- or in other words, I don't want to enlarge the factory fender well-- and I don't think I'll need to with this mild set-up.

Any advice? I know this is a common "lift" set-up, and I'm not real excited about having to trim too much. Please give me an idea what to expect without the obvious "put the tires on there and see" remarks. Lots of people have put 2" and 31's under their ZJ, theres gotta be a pretty wide consensus on the amont of trimming needed. This is a mild-to-intermediate off-road trail rig, not a Rubicon monster. I'd like to get all this done in the next few days and it'll be easier to do the trimming, if necessary, while everything is apart. Thanks for any help!

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Unread 07-05-2013, 06:17 AM   #2
AnotherRedZj
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1996 ZJ 
 
Join Date: Feb 2012
Location: fort walton beach, fl
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At 2" with 31's.......cut a small wedge out the bumber that's about 1.5 inch, wide from the bottom, to nothing at the first line or groove on the way up and 2washers in the steering stops.
1373023044698.jpg  
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Unread 07-05-2013, 10:10 AM   #3
BrandonsZJ
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1998 ZJ 
 
Join Date: Apr 2013
Location: Milford, Connecticut
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Fender trimming is not necessary. Just like AnotherRedZj said you just have to trim the bumper. You will not need the 2 washers in the steering stops because you will be using 1.5" spacers.
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Unread 07-05-2013, 01:06 PM   #4
AnotherRedZj
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Quote:
Originally Posted by BrandonsZJ View Post
...You will not need the 2 washers in the steering stops because you will be using 1.5" spacers.
Oh yea....true statement^^^^
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Unread 07-05-2013, 01:17 PM   #5
JohnnyZJ
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2007 JK Wrangler 
 
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Hammer in the pinch seam and call it good. Trim bumper as stated
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Unread 07-06-2013, 02:11 AM   #6
ErikTheRad
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1993 ZJ 
 
Join Date: May 2010
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The pinch seam is just the 12"-14" or so (from memory) seam in the rear of the front wheel well, correct? Trimming the lip on the inner edge of the fender won't be necessary even with the 1.5" spacers?
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Unread 07-06-2013, 01:05 PM   #7
Myusername1674
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1995 ZJ 
 
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When i did mine i hammered the pinch seem in, also i 'rolled' every lip on the fenders. Its better to do this imo and get that lip out of the way. I also had to hammer up some of the metal in the front since my 31s were hitting it.

It really is trial and error because some 31s are larger then others, go ahead and do the lift and cut what youve been told to, then do an easy test flex on a log or a ramp. Check if the tires hit anything, and hammer stuff out of the way as needed.

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