front end alignment after lift - JeepForum.com
Search  
Sign Up   Today's Posts
User: Pass: Remember?
Advertise Here
Jeep Home Jeep Forum Jeep Classifieds Jeep Registry JeepSpace Jeep Reviews Jeep Gallery Jeep Clubs Jeep Groups Jeep Videos Jeep Events Jeep Articles
Go Back JeepForum.com > Models > Jeep Wrangler Forums > TJ Wrangler Technical Forum > front end alignment after lift

Rear Disc Brake Conversion Kit- TJ,YJ,XJSWAG 50 Cal Ammo Can Mount With M2A1 Can~Artec JK 1 TON SWAP~

Reply
Unread 06-28-2010, 08:50 PM   #1
jtgreen76
Registered User
2005 TJ Wrangler 
 
Join Date: Jun 2010
Location: texas
Posts: 57
front end alignment after lift

i installed a 4" x series lift with upgraded shocks, tcase drop, steering stabilizer and 15x8 dc-2's with goodyear wrangler dura tracks this weekend. i went to get the front end aligned today and after all was over the tech got it to
fl camber -1.1
fl caster 4.5
fl toe 0.16
fr camber -0.6
fr caster 4.7
fr toe 0.14
total toe is .31
and steer ahead is 0.01
all in degrees i was just wondering if these were all good numbers?



__________________
prepare for the worst and then prepare again
jtgreen76 is offline   Reply With Quote
Unread 06-28-2010, 09:27 PM   #2
Jerry Bransford
Do it right or not at all
 
Jerry Bransford's Avatar
2004 TJ Wrangler 
 
Join Date: Jan 2003
Location: Escondido, California, California
Posts: 60,043
All those are fine. The caster angle is a just tad light for 33" tires but not enough to be noticeable or a problem. And when you get to 35" tires, that caster angle will be ideal. However, I'd leave things as they are, they are otherwise fine for your present 33" tires.
__________________
Getting Savvy...

Coolest offroad magazine ever! CRAWL Magazine

When you have a choice, buy American.

Jerry Bransford is offline   Reply With Quote
Unread 06-28-2010, 10:16 PM   #3
mpyusko
Registered User
1997 TJ Wrangler 
 
Join Date: Nov 2004
Location: Rochester, NY
Posts: 399
Your Camber is fixed so ignore those numbers. Your toe is the important one and bigger tires and lift require more toe-in. Caster should only be adjusted with a cam-bolt kit to correct your front pinion angle, which changes with a lift. Pinion Angle has priority over preferred caster angle. I'm not sure what it translates for degrees, but 1/4" of toe usually works for a lifted Jeep.

I went to Sears for an alignment after I put in my 4" lift and I could hardly keep the Jeep on the road when they set it to factory specs. I've since done a "tape-measure" alignment, and the Jeep handles great and the tires are wearing perfectly.

It's also important to make sure your front track-bar is adjusted properly. You want to make sure your axles line up, otherwise you'll be dog-tracking and bumps at high speed will really throw you.

Edit: I just noticed your control arms are adjustable, your pinion angle it set with those, not the cam-bolts. but Pinion Angle still takes priority over Caster.
__________________
-mpyusko
_________
'97 SE Black, 4cyl/5spd, Soft top, Jeeperman Rear Bumper, 33x12.5x15 Trxus M/T's, 4" Lift, 1" JKS MML
BLACK JEEP Club V2.0 #84
Rust-Bucket Build-Ups Club Member #1
Pictures of my JeepSAVE PARAGON AP!!
mpyusko is offline   Reply With Quote
Unread 06-29-2010, 07:07 AM   #4
jtgreen76
Registered User
2005 TJ Wrangler 
 
Join Date: Jun 2010
Location: texas
Posts: 57
the jeep drives good and straight and the tech pretty much told me the same thing that you both have so i appreciate all the input. fyi i went to another shop and they told me they could only put it back to factory specs and i was dumbfounded that they could just align it.
__________________
prepare for the worst and then prepare again
jtgreen76 is offline   Reply With Quote
Unread 06-29-2010, 07:17 AM   #5
mpyusko
Registered User
1997 TJ Wrangler 
 
Join Date: Nov 2004
Location: Rochester, NY
Posts: 399
Not surprising really.... liability. They only have a listing for factory specs. The Lift manufacturer should've been able to give you alignment specs, then they could use that. But honestly, once you make sure your pinion angle is set, all you need to adjust is toe. IMHO that's not worth the $75 and a tape measure will do much better.
__________________
-mpyusko
_________
'97 SE Black, 4cyl/5spd, Soft top, Jeeperman Rear Bumper, 33x12.5x15 Trxus M/T's, 4" Lift, 1" JKS MML
BLACK JEEP Club V2.0 #84
Rust-Bucket Build-Ups Club Member #1
Pictures of my JeepSAVE PARAGON AP!!
mpyusko is offline   Reply With Quote
Unread 06-29-2010, 07:17 AM   #6
Zen
Registered User
2005 LJ Wrangler 
 
Join Date: Jun 2009
Location: Rockwall, Texas
Posts: 1,074
^^legality

The companies don't want to have you come back with a wrecked Jeep and have your lawyer say, "If you had set the alignment to factory specs, this wouldn't have happened."

Now that you know your control arms are set good and everything but toe and steering wheel center is fixed, I wouldn't pay for annother allignment.

There are good write ups on doing your own allignment rechecks in the driveway. It's easy enough, you can do it each time you get back from a good wheeling trip.


***EDIT*** Too slow...
__________________
-Darkstar, judy-judy. I'm going in for guns.
--
-Stick, splash one!
Zen is offline   Reply With Quote
Unread 06-29-2010, 07:29 AM   #7
mpyusko
Registered User
1997 TJ Wrangler 
 
Join Date: Nov 2004
Location: Rochester, NY
Posts: 399
Quote:
Originally Posted by Zen View Post
There are good write ups on doing your own allignment rechecks in the driveway. It's easy enough, you can do it each time you get back from a good wheeling trip.
***EDIT*** Too slow...
Seriously, a tape measure, 1/2" wrench (i think), and a pipe wrench.... and it should only take 5 minutes to adjust your toe.

Shell out for a heavy duty tie-rod like from JKS and chances are you'll never have to re-align it..... or start spitting, swearing and install one anyway when you bend/bust it on the trail.
__________________
-mpyusko
_________
'97 SE Black, 4cyl/5spd, Soft top, Jeeperman Rear Bumper, 33x12.5x15 Trxus M/T's, 4" Lift, 1" JKS MML
BLACK JEEP Club V2.0 #84
Rust-Bucket Build-Ups Club Member #1
Pictures of my JeepSAVE PARAGON AP!!
mpyusko is offline   Reply With Quote
Unread 06-29-2010, 08:09 AM   #8
Ross
Registered User
2001 TJ Wrangler 
 
Join Date: Dec 2002
Location: BUM****, MO
Posts: 10,265
Quote:
Originally Posted by mpyusko View Post
Seriously, a tape measure, 1/2" wrench (i think), and a pipe wrench.... and it should only take 5 minutes to adjust your toe.

Shell out for a heavy duty tie-rod like from JKS and chances are you'll never have to re-align it..... or start spitting, swearing and install one anyway when you bend/bust it on the trail.
Yep... I went with the tie rod out of a late 90's V-8 grand.
__________________
Schitzangiggles: We used to teach our children to fight evil, now we teach them that fighting is evil.

2001 TJ, 33 trxus MTs , W, locked, belly up, some armor.

"If you aim at nothing, you will hit it every time." Zig Ziglar
Ross is offline   Reply With Quote
Unread 06-29-2010, 05:03 PM   #9
Knuckelhead
AFSOC Retired
 
Knuckelhead's Avatar
2000 TJ Wrangler 
 
Join Date: Aug 2005
Location: Colorado
Posts: 14,955
Quote:
Originally Posted by jtgreen76 View Post
fl camber -1.1
A .5 degree off-set ball joint would get that closer to spec...IMO
__________________
TSB Information: http://www.automd.com/tsb/jeep_m/wrangler_mm/2000_y/
Knuckelhead is offline   Reply With Quote
Reply

Tags
alignment , lift
Thread Tools


Suggested Threads





Jeep, Wrangler, Cherokee, Grand Cherokee, and other models are copyrighted and trademarked to Jeep/Chrysler Corporation. JeepForum.com is not in any way associated with Jeep or the Chrysler Corp.