4x4bob wrote:I have a question about the front axle on the l60 , How many degrees can you tilt the front axle before the camber/caster becomes an issue , thanks
The Patrol only has about 1.3 degrees of positive caster and 1.3 degrees positive camber, so if you tilt the front diff forward one degree, you are basically eliminating all caster, and reducing camber by about 25%...
The camber reduction is not a super big deal, but as camber reduces, you will want to dial in more toe-out to compensate, and to help prevent inner tire wear.
you might get away with zero caster, especially with wide off-road tires, but tread carefully... If you tilt it forward more than 1 degree, then the caster goes negative, and you will decrease the ability to maintain straight-line stability, plus you'll increase the risk of developing the dreaded "death wobble".
When I did the 4" spring-over axle conversion on my 66 Patrol, I limited the forward tilt on the front axle to 1/2 degree - this allowed me to basically put in another 1/4 inch of toe out, and the truck was still driveable... However, the front driveline angle was still pretty slight , and I was going to have to fabricate a custom CV joint driveshaft for the front.
The BEST way to do it is to set the pinion angle, and then cut the welds on the steering knuckle, and turn the knuckles to reset the correct caster angle, then re-weld. Obviously, this is a "For experienced fabricators and welders only" type of operation...




L-R:
White 65 Hardtop L60-3-00617 (undergoing restoration)
Red 65 hardtop 4L60-002565 (scrapped for parts)
66 Hardtop "El-Bondo Patrol", L60-00511 (Restored, then sold June2020)
Blue 67 Hardtop (sold March1997)
Green 62 Softtop L60-2-00504 (undergoing restoration)