Quote:
Originally Posted by mr48chev
If it were me I'd just put the 1 degree shims in correctly and go get it checked after it was all together. The thick part of the wedge goes towards the front of the truck to lay the axle back a bit. Then it won't be a big deal if you decide you want more caster after you drive it a bit and change to add more caster to it. With everything cleaned up you can change shims in about 15 minutes and only have to loosen the U bolt nuts far enough to let the axle drop down so you can get the shims out and back in.
The reason I am suggesting doing it this way is that 4 degree shims may end up giving you 6 degrees of caster if the truck already has 2 degrees in it when you put it back together due to having the new springs in. And you don't know why a P/O had the shims put in to reduce caster but most likely it was to reduce steering effort a bit as the truck already had quite a bit of caster in it.
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I really appreciate your help on this. It's helped my thought processes a lot.
Before you made this last post this morning, I had already ordered a pair of 4 degree shims for $17 off of ebay.
I think I'm going to go ahead and install those instead of the 1 degree ones I have. I had a guy tell me that he set up a '57 Suburban with 6 degrees of caster with power steering and it drives great. So, if I end up with 6, I think that will be OK. If it ends up anywhere between 4 and 6, I'll leave it.