Join Date: Sep 1999
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Re: In need of 6 degree shims for front end of CJ
So, your pinion is level with a 3* shim(?). Your adding 3* more to correct Caster, which will point the pinion down 3* and will add to driveshaft binding when that side droops.
Are you using extended shackles or is it a scout axle or what? Why is the caster off to begin with? Get an angle finder and check the caster frist(6* to 8* is good), before you just start throwing different size shims in there.
If this is an axle your planing on running a long time, do it right, cut the perches and knuckles, set the correct caster and pinion angle and reweld it. In the end you'll be glad you did and it's not that hard to do(if you weld or have a friend that does), just a little time consuming.
As far as shims go, IMO, their a bandaid fix. It don't matter how long someone has used them on their rig, their still a bandaid fix.