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Old 09-29-2011, 10:31 PM   #1

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Smile To do a lift right

I read a lot searched and may be betting a dead horse. But it want to this right. I want to put on 33s tires. 2.5 suspicion lift with a 1.25 body lift. To do this right would you recommend a SYS and new shaft and a motor mount lift would I need it. I don't want to do the extreme but like to enjoy the trails.
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Old 09-29-2011, 11:21 PM   #2
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Most people do the MML when they do the body lift to keep the front drive shaft angle more in line and not have to relocate the fan shroud. Remember that the body lift will not contribute to drive line vibrations on the rear drive shaft. Most likely with just a 2.5" suspension lift you will not need a SYE and new drive shaft. Put the lift on and see if you get any vibes, but most likely you will be fine without.

2000 Sahara, 3.5" Rubicon Express Lift, 1" spring spacer & 1" Body Lift, 33" or 35" BFG Mud tires, Front & Rear ARB, Rancho 9000 shocks, UCF Ultra High Belly Up

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Old 09-30-2011, 12:10 AM   #3
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I have an '05 LJ w/ a 3" lift. no vibs. Try w/o the SYE first.
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Old 09-30-2011, 03:06 AM   #4
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Since you have an unlimited you will probably be fine with just the MML. The unlimited has a longer drive shaft than the regular TJs so the angle will not be as extreme.
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Old 09-30-2011, 03:46 AM   #5

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I have s 99 TJ, 2.5 & 5spd, 3.25" lift, I didn't even use the trans drop kit and had no vibrations at all on 31"s, I have since done a 1.25" body lift and a 1" motor mount lift, I did the MML mostly so I wouldn't have to change shift brackets, still no SYE and still no vibrations on 33"s, soon I'll upgrade to a 4" lift and will do the SYE after going to adjustable upper control arms as I already run adjustable lowers, until then I'll run a 1" trans drop with the 4" lift.
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Old 09-30-2011, 08:51 AM   #6

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Thanks to everyone for all the help. Now just need to save my change for the body lift and MML. Again thanks.
2006 TJ Unlimited 4.0, 6 Speed. Maintenance GO BiG OR GO HOME
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Old 09-30-2011, 10:31 AM   #7
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I have a 2.5" lift, a 1"MML and a 1.25" BL on my 97. I don't know If I ever needed the tc drop but I certainly got rid of it after the MML and BL. No vibes at all.

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