Inside tire wear :(
#16
Three Wheelin'
Thread Starter
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Here are the alignment numbers for my last alignment after the PSS10 install. Looks like the rear camber is slightly out of spec. The pics are not great. Sorry.
FL, FR
camber -0.30, -0.40
caster 5.40, 5.50
toe 0.06, 0.04
RL, RR
camber -1.60 , -1.70
toe 0.13, 0.16
F, R
cross camber 0.00 --
cross caster -0.10 --
total toe 0.09, 0.29
thrust angle --, -0.01
FL, FR
camber -0.30, -0.40
caster 5.40, 5.50
toe 0.06, 0.04
RL, RR
camber -1.60 , -1.70
toe 0.13, 0.16
F, R
cross camber 0.00 --
cross caster -0.10 --
total toe 0.09, 0.29
thrust angle --, -0.01
#18
Rennlist Member
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As per Robin's alignment page on pcar.com, it looks like your front is a bit out of spec on the caster (he says 5°20' + 15', whereas you've got 5°40' and 5°50'), and the rear camber looks out of spec as well (he says at most extreme RS specs -1°20'±10', where as you've got -1°60' & -1°70'). It looks like that would explain the fast wear on the rear at least. I'm sure someone smarter than me will chime in on the rest.
#19
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I had a comment from a friend just recently that I'm running too much neg. camber in the rear and that the inside edges will suffer for it. The place where I got my last alignment advised I bring the car back at 3k miles to check the wear patterns for any issues, and I'm at that point now, so I will go in and report back here if I find anything pertinent.
Sorry if my explanation or questions are dumb, just trying to help.
Here are my alignment specs:
Front Left:
Camber -1.44*
Caster 5.53*
Toe 1.8mm
Front Right:
Camber -1.43*
Caster 5.52*
Toe 1.8mm
Rear Left:
Camber -1.71*
Toe 1.9mm
Rear Right:
Camber -1.71*
Toe 1.9mm
#21
Three Wheelin'
Thread Starter
![Default](https://rennlist.com/forums/images/icons/icon1.gif)
As per Robin's alignment page on pcar.com, it looks like your front is a bit out of spec on the caster (he says 5°20' + 15', whereas you've got 5°40' and 5°50'), and the rear camber looks out of spec as well (he says at most extreme RS specs -1°20'±10', where as you've got -1°60' & -1°70'). It looks like that would explain the fast wear on the rear at least. I'm sure someone smarter than me will chime in on the rest.
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Bob-