Issues with inner tire wear
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4th Gear
Joined: Mar 2026
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Issues with inner tire wear
1990 F250 with the ttb. Been having issues with the inside of the front tires wearing fast. It has a 6 inch lift with 35s. I’ve heard a few things that could cause this, most commonly the steering linkage angle. I’ve heard flipping your tie rod ends can help with camber change on suspension travel or something along those lines. Does anyone have alternate theories? Also heard worn shocks or springs could be the cause. Thanks
Hotshot
Joined: Jul 2020
Posts: 10,478
Likes: 2,636
From: Near Salt Lake City
Did alignments for 30+ years for a living and still do them
One thing with a lift kit is the perches
You drive forward and check the camber angle with a cheap magnetic bubble camber gauge, you just hold on there tight with your hand
Then drive in reverse 20 feet and double check the camber both sides, note the difference
That tells you if the perches are loose, or able to move even if tight
Damn straight an alignment is the answer
You need that camber at least +1/2 degree and a toe set of zero or +1/16 if wearing on the inside
It's not sagging A ss is it? like with a heavy plow? That will lower the ride height and lessen the camber making it need more positive toe in
One thing with a lift kit is the perches
You drive forward and check the camber angle with a cheap magnetic bubble camber gauge, you just hold on there tight with your hand
Then drive in reverse 20 feet and double check the camber both sides, note the difference
That tells you if the perches are loose, or able to move even if tight
Damn straight an alignment is the answer
You need that camber at least +1/2 degree and a toe set of zero or +1/16 if wearing on the inside
It's not sagging A ss is it? like with a heavy plow? That will lower the ride height and lessen the camber making it need more positive toe in
Last edited by manicmechanic007; Mar 5, 2026 at 08:58 AM.
Thread Starter
|
4th Gear
Joined: Mar 2026
Posts: 4
Likes: 0
Did alignments for 30+ years for a living and still do them
One thing with a lift kit is the perches
You drive forward and check the camber angle with a cheap magnetic bubble camber gauge, you just hold on there tight with your hand
Then drive in reverse 20 feet and double check the camber both sides, note the difference
That tells you if the perches are loose, or able to move even if tight
Damn straight an alignment is the answer
You need that camber at least +1/2 degree and a toe set of zero or +1/16 if wearing on the inside
It's not sagging A ss is it? like with a heavy plow? That will lower the ride height and lessen the camber making it need more positive toe in
One thing with a lift kit is the perches
You drive forward and check the camber angle with a cheap magnetic bubble camber gauge, you just hold on there tight with your hand
Then drive in reverse 20 feet and double check the camber both sides, note the difference
That tells you if the perches are loose, or able to move even if tight
Damn straight an alignment is the answer
You need that camber at least +1/2 degree and a toe set of zero or +1/16 if wearing on the inside
It's not sagging A ss is it? like with a heavy plow? That will lower the ride height and lessen the camber making it need more positive toe in
Lead Driver
Joined: Sep 2002
Posts: 9,540
Likes: 2,032
From: North Texas
So have you ever gone through the front end, including leaf bushings and shackles?
That front end is over 35 years old, even at low miles the rubber will die with age. I get about 20 years on the high end from a fresh front end until it begins to degrade again.
That front end is over 35 years old, even at low miles the rubber will die with age. I get about 20 years on the high end from a fresh front end until it begins to degrade again.
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