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Discussion in 'Suspension, Steering, Brake & Wheel Topics' started by 1981zapper, Aug 28, 2019.
with -1* of camber will I have uneven tire wear?, I am staying with my stock control arms
-1 camber - youll notice more wear on the inner tire treads - not uneven
And with the lowering springs the OP is using, it may in fact induce bump steer that can add to the issue, be it + or - .
It's something a good wheel alignment shop will check when on the rack.
on a street car I like -.5 to -.75 camber as much + caster as you can get and 1/16 +- 1/32 toe in.maybe little more toe in if more negative camber is preferred. i find that helps with tire wear, this is my experience .
X2^ . That's basically my experience and also my specs to a T. (-.75 camber with +7.0 caster and same toe specs)
So finally got around to getting alignment done today. I am disappointed with the results, Like mentioned above, I installed all new bushings, stock ball joints and offset cross-shaft to increase negative camber, kept my stock control arms
Best the shop could achieve with my suspension
Toe in: 0.05*
Toe in: 0.05*
We set the suspension to achieve the most positive caster as possible, I don't have anymore threads left for anymore shims, and if I could add anymore positive caster my camber was going into the positive numbers.
What do you guys think about these numbers? and about all these shims?
My goal was to achieve:
Caster; +2.5 - +3*
Driver side shims:
Passenger side shims:
The best you can do with what you have. The aftermarket upper control arms designed to increase caster make a big difference but you have to watch which ones you buy. Some give an additional 3 degrees and some give an additional 5 + degrees over teh stock upper arms. The uppers I bought gave me 3 degrees additional. They are the most recent Summit models, very study, beautifully made, came with ball joints and I got them new in the box off of Craigslist for $100 so I figured if they weren't what I was looking for I could sell them. After alignment I have 5.3 right and 5.2 left degrees positive caster, .7 right and .6 left degrees negative camber and .12 degree total toe in (.06 degree each side). In comparison we just finished an 81Z for a customer which we used PTFB uppers with the long upper ball joint and the positive caster was 6.7 right and 6.5 left. My car with the slightly lower caster numbers drives great, light years ahead of the stock steering geometry. I also installed a Larse 974 steering box in my car which made everything even better.