negative camber normal?
Thread Starter
Intermediate
Joined: Dec 2007
Posts: 31
Likes: 0
From: Colorado Springs
negative camber normal?
I had a 4-wheel alignment done today and there was a minor difference in front tire tread wear (GY runflats). Inside tread was slightly more worn than outside. The technician said this was due to the negative camber setting, which is the normal setting for my '99 Coupe.
It's a 50+ year shop, very well respected and professional, and I'm sure they were shooting straight with me, but it did seem strange that I can expect my tires to wear out on the inside first.
Anyone else had any experience with this? Is it "normal?"
It's a 50+ year shop, very well respected and professional, and I'm sure they were shooting straight with me, but it did seem strange that I can expect my tires to wear out on the inside first.
Anyone else had any experience with this? Is it "normal?"
Race Director
Joined: Dec 2005
Posts: 11,664
Likes: 15
From: Wellsboro Pa
I have the same issue with the GY runflats that I just took off of my car. I put on new Michelin runflats and will be taking it in for an alignment soon. Hopefully these tires wear evenly.
Race Director
Joined: Aug 2003
Posts: 16,270
Likes: 30
From: "It's 106 miles to Chicago, we've got a full tank of gas, half a pack of cigarettes, it's dark, and
St. Jude Donor '03-'04-'05-'06-'07-'08-'09-'10-'11-'12-'13-'14-'15-'16-'17-‘18-'19
NCM Sinkhole Donor
C5 Service Manual Alignment --- Source
Front Individual Toe +0.04 degree
Front Sum Toe +0.08 degree
Front Individual Caster +6.9 degree
Front Cross Caster within 0.50 degree
Front Individual Camber -0.20 degree
Front Cross Camber within 0.50 degree
Rear Individual Toe -0.01 degree
Rear Sum Toe -0.02 degree
Rear Individual Camber -0.18 degree
Rear Cross Camber within 0.50 degree
Z06 Service Manual Alignment --- Source
LEFT & RIGHT FRONT:
Camber: Specified Range: -1.2 to -0.2 Optimal: -0.7
Caster: Specified Range: 6.4 to 7.4 Optimal 6.9
Toe: Specified Range: 0.15 to 0.25 Optimal 0.20
FRONT
Cross Camber: Specified Range: -0.5 to 0.5 Optimal: 0.0
Cross Caster: Specified Range: -0.5 to 0.5 Optimal: 0.0
Total Toe: Specified Range: 0.30 to 0.50 Optimal: 0.40
LEFT & RIGHT REAR
Camber: Specified Range: -1.2 to -0.2 Optimal: -0.7
Toe: Specified Range: -0.06 to 0.05 Optimal: -0.005
REAR
Total Toe: Specified Range: -0.11 to 0.09 Optimal: -0.01
Thrust Angle: Specified Range: -0.10 to 0.10 Optimal: 0.00
Front Individual Toe +0.04 degree
Front Sum Toe +0.08 degree
Front Individual Caster +6.9 degree
Front Cross Caster within 0.50 degree
Front Individual Camber -0.20 degree
Front Cross Camber within 0.50 degree
Rear Individual Toe -0.01 degree
Rear Sum Toe -0.02 degree
Rear Individual Camber -0.18 degree
Rear Cross Camber within 0.50 degree
Z06 Service Manual Alignment --- Source
LEFT & RIGHT FRONT:
Camber: Specified Range: -1.2 to -0.2 Optimal: -0.7
Caster: Specified Range: 6.4 to 7.4 Optimal 6.9
Toe: Specified Range: 0.15 to 0.25 Optimal 0.20
FRONT
Cross Camber: Specified Range: -0.5 to 0.5 Optimal: 0.0
Cross Caster: Specified Range: -0.5 to 0.5 Optimal: 0.0
Total Toe: Specified Range: 0.30 to 0.50 Optimal: 0.40
LEFT & RIGHT REAR
Camber: Specified Range: -1.2 to -0.2 Optimal: -0.7
Toe: Specified Range: -0.06 to 0.05 Optimal: -0.005
REAR
Total Toe: Specified Range: -0.11 to 0.09 Optimal: -0.01
Thrust Angle: Specified Range: -0.10 to 0.10 Optimal: 0.00
As you can see from the above - both the regular C5 and the Z06 OEM alignment specs call for negative camber. did the alignment shop provide you with a printout of the specs that your car has been set to so you can compare?
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Team Owner
Joined: May 2005
Posts: 23,682
Likes: 9
From: Flagstaff Az.
The vettes run neg camber and this causes our tires to wear usually more on the inside. You can have it reset, but give up handling. I took my wheels in about half way worn(on the old run flats) and had the tires reversed so the wear was on the outside and wore them out back to even. 
Thread Starter
Intermediate
Joined: Dec 2007
Posts: 31
Likes: 0
From: Colorado Springs
The vettes run neg camber and this causes our tires to wear usually more on the inside. You can have it reset, but give up handling. I took my wheels in about half way worn(on the old run flats) and had the tires reversed so the wear was on the outside and wore them out back to even.
If I've missed a better way to reverse the tires, forgive me. It's late and I'm worn out from throwing a sponge "brick" at the tv repeatedly as my team lost big time in the first round of "the dance."
Burning Brakes
Joined: May 2007
Posts: 1,078
Likes: 5
From: Denver, North Carolina
Team Owner
Joined: Sep 2003
Posts: 43,084
Likes: 33
From: Raleigh / Rolesville NC
Stock or OEM alignment specs are more the maximum tire ware AND taking in consideration the crown of most roads, not performance.
