Camber Correction= Waste of $$$?

[DisgustipatedAP1]

Nope. Nonsense. Not a chance in hell, actually.

Do you have any actual proof of that belief? I hear that crap all the time yet no one seems to be able to properly explain it. The whole "more heat" is nonsense, at legal or semi legal speeds there is no appreciable heat difference in the tread temp or the sidewall temp from 2 very similar cars traveling the same road at the same speed, mine on 17", the other on 15".

Theory aside, not one single shred of evidence supports the whole "bigger wheels eat tires" stance at all, or none that I can find. The tires are a difference, for sure, but that is due to tires being different, not the size of the wheels.

You cannot buy "high mileage" 215/40/17, so comparing a "summer high performance" tire to an "all weather high mileage" tire is just retarded right? We all know none of us are dumb enough to do that.

And, if your logic proves true, explain to me how I was able to at least triple my tire wear by changing the RTABs only? Again, wheel size has just about nothing to do with it, as far I have been able to find actual evidence on.

However,I can certainly explain my position, parroting the words that have been beaten into my head since the 70's: "Urethane does not allow dynamic alignment changes as easily as rubber" so the trailing arm stays in alignment better, keeping the tire in better alignment, causing more even tire wear.

100% of my references are from actual data, not some BS on a forum or whatever BTW. YMMV. Yes, I know (well over 200,000 miles so far) there are issues with Urethane, and I would love all spherical bushings that were firmly rubber mounted...but urethane works incredibly well, fixes the issues and is cheap. All in all, for those 2 areas of the car, CABs and RTABs, urethane is the winner for me.

Oh yeah, use "Marine Grade Synthetic Boat Trailer Wheel Bearing Grease" and you should have zero squeaks for over 15K miles, even in the rain. My next E30 will have greasable bushings one way or another, like I did with all the GM cars. So much easier to pump a little squirt of grease twice a year or so!

Luke

Bigger rims/tires do NOT cause more tire wear, that's some of the silliest stuff I've ever heard. ALIGNMENT/rubber compound dictates tear wear.

I am shocked that you even had to explain that to anyone.

[CarsSuck]

Sorry guys, I was talking about the width of the wheel, which most definitely does affect the scrub radius and thus tire wear, especially dynamically. OP hasn't mentioned what kind of wheel setup he's gonna run, but it's moot because he's already picked the right parts for his suspension overhaul :up:

[dothadance]

Hey thanks for the help guys, really appreciate it. Here's what I've purchased.

4 x H&R Sport springs
4 x Bilstein Sport Struts/shocks
1 x TMS strut/shock mount kit (incl- Front upper strut mounts (guide support), standard alignment settings (not offset), Front and rear self-locking mounting nuts, Rear Lifetime Warranty 'Repair Shop' shock mounts, Rear shock mount gaskets)
2 x M3 offset control arm bushings
1 x Set of Urethane RTABs
1 x urethane steering knuckle

Any ballpark guesses for how much the installation will cost me at an independent shop?

a fuckload. just do most of it yourself, it's mad easy. springs/struts/mounts in an afternoon

[MattAvino]

I went with oem rear subframe bushing and oem RTABs.
I guess I will get some urethane RTABs but stick with the OE sub bushings.

[Bretts85E30]

Sorry to sidetrack but the treadwear rating and the driver affect how fast the tire wears an aggressive driver with low treadwear rating will eat through tires every single year on the axle that drives the wheels the most. In the case of my brother's corolla he chewed up his tires in under a year with oe lowering springs and nothing else