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'87 Trooper, axle flip? #883239 04/29/08 06:38 AM
Joined: Jan 2008
Posts: 7
M
mowermechanic Offline OP
Need a Spot
I'm getting tired of bottoming out on the bumpstops on EVERY SPEEDBUMP!! Let alone larger obstacles.... Shocks would help I'm sure.... I noticed the rear axle is on top of the leaf springs. If i were to mount the axle on the bottom of the leaf springs, how much lift, and would i be able to match the rear lift by torquing the front torsion bars, and cutting the bumpstops in half? Or would i have to drop the front control arms and or other such fab? <img src="/forums/images/graemlins/confused.gif" alt="" />


-Theo
Re: '87 Trooper, axle flip? [Re: mowermechanic] #883240 04/29/08 02:27 PM
Joined: Aug 2000
Posts: 4,868
Jim_Paget Offline
Roll Me Over
If you do what you are contemplating, you are going to end up with at least 5" to 6" of lift in the rear (the diameter of the axle tube plus the thickness of the spring pack).

The most that you will get out of the front is probably 2 1/2", 3" if you remove all the movement in the front axle. This will result in a totally jarring ride and probably some very short life for front end components.

However, even if you make all these changes, the pumpkin is still going to be the same distance off the ground. All you will have done is raised the body relative to the axle.

The easiest way to gain some ground clearance is larger diameter tires. In fact, if you are talking about ground clearance under the pumpkin, the only way you can increase that distance is by going to larger diameter tires.

Last edited by Jim_Paget; 04/29/08 03:42 PM.

Jim Paget
88 YJ with a few changes

www.rrr4x4.com
Re: '87 Trooper, axle flip? [Re: Jim_Paget] #883241 04/29/08 04:33 PM
Joined: Jan 2008
Posts: 7
M
mowermechanic Offline OP
Need a Spot
Now that i look at it, your right.... So other than complete custom fabrication and dropping down my whole IFS system, not that i even want 5-6" lift.... Who has the best bang for the buck lift kit? Calmini looks quite complete. Will a 3" lift give me room for 33"s? otherwise i'll suffice with 31"s...


-Theo
Re: '87 Trooper, axle flip? [Re: mowermechanic] #883242 04/29/08 11:28 PM
Joined: Nov 2007
Posts: 26
U
US_Marshal Offline
Getting the Wheeling Fever
I have done the flip on the rear and tweaked the "T" bars till I'm just bearly on the front bumps.

http://i131.photobucket.com/albums/p309/md3turbo/DSC02198.jpg

With the 285/75/16 on 16X10 rims, they just bearly hit the fender at one revolution of the steering wheel then are clear. The simplest choice is one of the preasembled kits.

Re: '87 Trooper, axle flip? [Re: US_Marshal] #883243 04/30/08 04:02 AM
Joined: Jan 2008
Posts: 7
M
mowermechanic Offline OP
Need a Spot
That rig looks good... If i were to just drop the IFS down 4-5", that would make the rig higher, but would not give me any more travel. What's the easiest way to gain travel? Just torque the torsion bars and maybe add longer shackles to the rear? And maybe some stiffer shocks?


-Theo
Re: '87 Trooper, axle flip? [Re: mowermechanic] #883244 04/30/08 05:09 AM
Joined: Aug 2000
Posts: 4,868
Jim_Paget Offline
Roll Me Over
There really isn't any way to increase total travel without replacing the front axle (SAS). Cranking the torsion bars just trades up travel for down travel.


Jim Paget
88 YJ with a few changes

www.rrr4x4.com
Re: '87 Trooper, axle flip? [Re: mowermechanic] #883245 04/30/08 02:12 PM
Joined: May 2002
Posts: 1,541
jezeric Offline
Isuzu Moderator
Okay, maybe I'm missing something here, but what I got in your post was that you were hitting the bump stops when going over speed bumps? Sounds to me like the spring pack may be worn out and isn't giving you the proper spring rate for the truck. If that's the case, deal with the springs first, shocks won't help until the springs are taken care of. If you want to get taller shackles or lift springs for 1-3" while you do it, go for it, but deal with the underlying issue first.

If you're talking about buffing the bottom of your rear pumpkin in a natural way, just ignore all this. <img src="/forums/images/graemlins/smile.gif" alt="" />

James

Re: '87 Trooper, axle flip? [Re: jezeric] #883246 04/30/08 05:02 PM
Joined: Jan 2000
Posts: 2,437
lttlbddy Offline
Body Damage is Cool
This is a good solution to your problem:

Independent4x.com

Re: '87 Trooper, axle flip? [Re: mowermechanic] #883247 05/01/08 05:37 PM
Joined: Oct 2000
Posts: 394
Storm Trooper Offline
Mudrunner
Check the springs like people have already suggested.
If you are just looking for an inexpensive way to get 33's under your rig, just do a body lift. They are little more than $100.00
It worked for me, was easy to do, and I have 33x12.5's that fit nicely without any real rubbing to speak of.


'91 Trooper
3.4 V6, K&N, 33x12.5 Trxus MT's, Aisin hubs, 3" body lift, Rear ARB Naches Trail
Re: '87 Trooper, axle flip? [Re: Storm Trooper] #883248 05/03/08 05:48 AM
Joined: Jan 2008
Posts: 7
M
mowermechanic Offline OP
Need a Spot
I like those springs, should i compliment those with the HD torsion bars? Also what are good shocks? 33x12.50 is about what i'm lookin' for, they look about right on your rig (storm trooper) How many inches is your body lift?


-Theo
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