Senior Member
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Join Date: Dec 2015
Location: Colorado
Posts: 1,181
Real Name: Ron
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Senior Member
Join Date: Dec 2015
Location: Colorado
Posts: 1,181
Real Name: Ron
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I agree, 1.4 deg is way too low for caster - it'll wander all over the place. Spec is 2.5 to 4 deg, and 4 is better than 2.5. With the 2.5" lift, you'll need aftermarket UCA's to get that much caster, keep the camber correct, and avoid tire rub all at the same time.
I used the SPC adjustable UCA's and set them so I could get 4.5 deg of caster. It drives down the highway like it's on rails now.
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2006 Sport Edition, V8, 206K miles, 2.5/1.5" OME lift, SPC adjustable UCA's, 255/75/17 BFG KO2's load range C @ 40psi. Regeared diffs to 4.30, with TrueTrac in rear.
1994 SR5, V6, 5-spd, Aussie locker front, Aisin manual hubs, Truetrac rear, 33/10.50/15 BFG KO's, stock suspension, OBA (Viair 400C), Front Range Offroad twin stick, 225K miles. Dual 2.28 transfer cases, for a 90:1 crawl ratio.
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