What's up with my tires?

[chozenfew805]

I looked at my tires this morning and saw that the front inner part of the tires were wearing out faster than any other part. I have the Nitto Terra Grapplers and I see this a lot at work with Tractors and it's from the alignment, but I'm wondering if it's the same for my truck. Every other chunk of tread is wearing out faster than each piece in between. My wife just took it somewhere and when she came home I noticed it's now happening to the outter part of the tires. If this happening to anyone or if anyone know's why this is happening I would be very greatful. I'll post up some pics if anyone is unclear of what I'm talking about.

[Maintain]

Pics and year would be nice.

If it's pre05 balljoints/wheelbearings or out of alignment would be my thought.

[chozenfew805]

It's an 05 F-250 CC. I'm trying to upload the pics, but it keeps on saying upload failed. Do you have an e-mail address?

[Jon]

Are they on stock rims or aftermarket with different back spacing?

[Ditty]

Mine did the same thing on my TSL Radials. Upper/Lower ball joints and an allignment fixed it. Also, check your wheel balance. We had a heck of a time balancing my TSL's.

[chozenfew805]

They are 325/65R18 Terra Grapplers mounted on some 18" Panthers. The truck has a 6" Fabtech Lift.

[Jon]

Also they are very tempermental to changine back spacing.