[Z06] Tire alignment
Thread Starter
Heel & Toe
Joined: Mar 2009
Posts: 21
Likes: 0
Tire alignment
I am ready to have my 2nd front end alignment because of the way the outside edges are wearing. The tires are wearing beautifully across the tread, but the outside edges are wearing a lot faster. I have had two alignments and the owner simply says the fronts are going to wear that way because that's the way it is. I say "bulls%^&t.
Any suggestions are welcome. Alan
Any suggestions are welcome. Alan
Race Director
Joined: Jun 2003
Posts: 14,051
Likes: 9
From: Houston TX
If you have your camber/toe set to aggressive stock specs, you will wear the inside of the tyre.
Been there, done that.
You will need to have your car set up on the conservative end of the stock settings. Expect the car to lose a lot of its nimbleness and quick turn-in, but expect tyres to last a little longer.
Been there, done that.
You will need to have your car set up on the conservative end of the stock settings. Expect the car to lose a lot of its nimbleness and quick turn-in, but expect tyres to last a little longer.
Le Mans Master
Joined: Jan 2004
Posts: 6,801
Likes: 13
From: Anywhere where Cones need hit
Cruise-In 9-10 Veteran
CI-X Auto-X Champ (race tires)
St. Jude Donor '07-'09
+ 1 on that. The negative camber won't kill you in the short term, butthe TOE will... if you're wearing the outside edges, I'd check to be sure you're not getting alot of TOE IN.
Zero Toe up front would be best for tire wear to last. If you're not doing any track days or autocrosses and such, you should be just fine set like that.
Zero Toe up front would be best for tire wear to last. If you're not doing any track days or autocrosses and such, you should be just fine set like that.
Thread Starter
Heel & Toe
Joined: Mar 2009
Posts: 21
Likes: 0
If you have your camber/toe set to aggressive stock specs, you will wear the inside of the tyre.
Been there, done that.
You will need to have your car set up on the conservative end of the stock settings. Expect the car to lose a lot of its nimbleness and quick turn-in, but expect tyres to last a little longer.
Been there, done that.
You will need to have your car set up on the conservative end of the stock settings. Expect the car to lose a lot of its nimbleness and quick turn-in, but expect tyres to last a little longer.
Thread Starter
Heel & Toe
Joined: Mar 2009
Posts: 21
Likes: 0
+ 1 on that. The negative camber won't kill you in the short term, butthe TOE will... if you're wearing the outside edges, I'd check to be sure you're not getting alot of TOE IN.
Zero Toe up front would be best for tire wear to last. If you're not doing any track days or autocrosses and such, you should be just fine set like that.
Zero Toe up front would be best for tire wear to last. If you're not doing any track days or autocrosses and such, you should be just fine set like that.
Race Director
Joined: Jun 2003
Posts: 14,051
Likes: 9
From: Houston TX
Depending on the tyres you are running, outside edge wear can indicate not enough negative camber.
Perhaps your alignment is too conservative for the tyres you have.
What pressures are you running up front?
Did the alignment shop give you a spec sheet after you last alignment?
What are the current specs?
Thread Starter
Heel & Toe
Joined: Mar 2009
Posts: 21
Likes: 0
[QUOTE=RC45;1569700273]I misread "outside" as "inside" edge.
Depending on the tyres you are running, outside edge wear can indicate not enough negative camber.
Perhaps your alignment is too conservative for the tyres you have.
What pressures are you running up front?
Did the alignment shop give you a spec sheet after you last alignment?
What are the current specs?
Caster was 7.0 left and 5.9 right
Camber was -.6 left and -1.3 right
Toe was 0 left and 1.05 right and 1.05 total
I don't really know what the numbers mean.
Depending on the tyres you are running, outside edge wear can indicate not enough negative camber.
Perhaps your alignment is too conservative for the tyres you have.
What pressures are you running up front?
Did the alignment shop give you a spec sheet after you last alignment?
What are the current specs?
Caster was 7.0 left and 5.9 right
Camber was -.6 left and -1.3 right
Toe was 0 left and 1.05 right and 1.05 total
I don't really know what the numbers mean.
Instructor
Joined: Nov 2008
Posts: 104
Likes: 78
From: Charlotte NC
use this at your own risk!!!
i would set it to
+6.0 to +7.0 Caster (same both sides)
-.6 camber per side (same both sides)
0 total toe
this is all good you can adjust camber + or - depending how you drive if you hang curves you could go up to -1.0 if you are straight liner -.2
I ran -1.7 on my mustang but i drove hard on the street in the old days!!
Jay
i would set it to
+6.0 to +7.0 Caster (same both sides)
-.6 camber per side (same both sides)
0 total toe
this is all good you can adjust camber + or - depending how you drive if you hang curves you could go up to -1.0 if you are straight liner -.2
I ran -1.7 on my mustang but i drove hard on the street in the old days!!
Jay
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Le Mans Master
Joined: Sep 2003
Posts: 8,847
Likes: 795
From: Longview Texas
You should not be getting outside tire wear if you are running negative camber. Negative camber means the the top of the tire is tilted inward.
For street use, Camber should be no more than -1/8 degree or you will get inside tire wear. Toe-in should be zero to 1/32". Caster should be equal side to side. Caster affects how the car tracks, but does not affect tire wear.
If you are getting outside tire wear with negative camber, most likely there is excessive toe-in, or the wheels may even be toed out.
For street use, Camber should be no more than -1/8 degree or you will get inside tire wear. Toe-in should be zero to 1/32". Caster should be equal side to side. Caster affects how the car tracks, but does not affect tire wear.
If you are getting outside tire wear with negative camber, most likely there is excessive toe-in, or the wheels may even be toed out.