Wide track 86' Laredo Lift / Tire size question - JeepForum.com
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Unread 07-15-2012, 03:43 AM   #1
JeepinInTheSE
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1986 CJ7 
 
Join Date: May 2012
Location: Summerville, SC
Posts: 74
Wide track 86' Laredo Lift / Tire size question

I'm sure that someone on here has covered this before, but I'm looking for some knowledge on what size lift I would need to run 35" BFG A/T tires on my 86' Laredo with wide track axles. I don't really want to trim the fenders. I know that Backspacing plays a roll, and that the tire width / knobs play a roll, but any help would be greatly appreciated. Would like to keep a "relatively low" center of gravity.

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Unread 07-15-2012, 06:40 AM   #2
gojeepin
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1983 CJ7 
 
Join Date: Feb 2006
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Without trimming, there's not much chance of raising the center of gravity.

Lift and trimming: You're going to need about 5" of lift and if you plan on going off-road you'll need to trim the rear of the wheel well opening on the tub.
Wheels: for a 10" wide rim you'll need about 3.75" backspacing for a 12.5" cross-section tire.

To get by with less lift, you can use bump stops to keep the axle from impacting the body but that decreases the suspension flexibility and transfers impact energy directly to the frame when encountering tall obstacles.
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Vibration? Bump steer? Wandering? Read: Steering, suspension, and driveline basics. An article on how it works and where to look for problems.

83 CJ7, 4.1L 6cyl (4.0L bored .030" over), 35" tires, T-5 transmission, Dana 300 TC, Trussed AMC 20.
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Unread 07-15-2012, 08:02 AM   #3
papa355
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One thing he has going for him is the BFG's measure short compared to everthing else vs. advertised height. 35" BFG's may only measure 33.5 or barely 34" in real life (not off manufacturer's chart)

My MTZ's only measured 34.75 mounted and aired up (15x10 wheel)
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1977 CJ7, 304 amc, TH400 quadratrac, dana30, AMC20, SOA, 35" M/T MTZ

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Unread 07-16-2012, 01:04 AM   #4
JeepinInTheSE
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gojeepin, I see you have TJ fender flares on your rig. How well to they contour to the body after cutting the fenders? Are you happy with the TJ flare conversion?
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Unread 07-16-2012, 03:47 PM   #5
gojeepin
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1983 CJ7 
 
Join Date: Feb 2006
Location: Riverview, Florida
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Those are Rugged Ridge CJ Pocket Flares. They fit well and I don't have mud thrown on me any more.

I only cut the rear of the tub... the front didn't need it. Except for the rear, I painted all body surfaces under the flares flat black rather than cut.
__________________
Vibration? Bump steer? Wandering? Read: Steering, suspension, and driveline basics. An article on how it works and where to look for problems.

83 CJ7, 4.1L 6cyl (4.0L bored .030" over), 35" tires, T-5 transmission, Dana 300 TC, Trussed AMC 20.
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35" tires , lift kit advice , wide track
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