Topic: front axle shims question

[DeMented Toys]

Would the front axle benifit from the addition of some shims on the spring perches to help with the driveline angle, or would that negatively affect steering or something worse?

[old school toy]

It would give you neg. caster.....

[79coyotefrg]

yea  you dont want that how much lift do you have??

if  your front shaft is the problem  get the  flange from a later  model  driveshaft  and put on it

[All_Set]

I've put 2 deg shim in and can not tell any negative effects.  I recommend only using steel shims and weld them to the perches.

If you require more than 2 degrees, do what Glenn suggests 1st. 

[FIREBALL]

If you are having driveline angle problems then re-setting your pinion angle is very helpful. The best way to do it is to either weld shims in like All Set suggested or cut and re-weld the stock perches. Then cut and rotate your knuckles to bring your caster back into spec. Sounds like a lot of work, but it's really not that bad.

[MiniSimp]

Buy your shims from Roger Brown

[DeMented Toys [OP]]

I have 7" lift springs...  The shaft has 3 u-joints.  It seems like if the angle was better I wouldn't have to replace the joins so much.

I probably have some newer flanges.  Which part do you swap out?  The transfer case side or the diff side?  The flange is the very end that is attached to the u-joint, right?  How are the newer ones different?

I saw them do a pinion angle reset on an FJ on that Extreme 4x4 show.  It wouldn't be too hard, if I had their shop and tools...  I think I'll do that as a last resort.