Join Date: Sep 2012
Location: Central Valley, Sierra Mountains, California
Thanked 137 Times in 126 Posts
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Its not the tire pressure I run my fronts at 29 psi and rears at 25 and its not a issue.
How is the front end, is there any play in the steering wheel. A loose steering box can lead to it so can a bad alignment. Loose ball joints etc, anything loose can set it off.
Some negative caster helps control it as well. I was dealing with it on my truck and adjusted in some more negative caster and it cleared mine up but different things can cause it.
How is your stabilizer shock? This of coarse masks it but a bad stabilizer will open you up to it much easier.
Check the steering wheel play, start at the steering box if there is play.
Good Luck with it.
2006 F250 LARIAT CCSB 4X4
ARP Studs, O-Ringed Heads
X4 PHP 65 HP Custom Tow Tune
Atlas40 or Atlas80 Ficm Tune
CAT EC-1 Coolant, IPR Coolant filter
BPD Waterpump, BPD way of thinking
Fass-125 to a Adjustable Pressure Reg.
Turbo-back SS 4" pipe, Corsa Muffler -7" Tip
6.4 starter, DC Power 270 amp alt
Die Hard Platinum AGM all 2/0 Cables
Fabtech Radius Arms
7" lift w: Icon Progressive Coil Springs
2008 up Carli/Deaver rear springs
All riding on some Fatty-Daddy 38/15.50/18 Toyo's