Tire Wear
Thread Starter
Racer
Joined: Apr 2006
Posts: 486
Likes: 2
From: The Villages FL
Tire Wear
I have a 2006 convertible with 14,000 miles on the clock. Most of the mileage is non agressive at 40 mph. The tires are OEM Gy Eagle F1 Gs-2 EMT. Tire presure has been always maintained at 30 psi cold. The wheel alignment was set to the following shortly after taking delivery.
Camber Caster Total Toe
Frt. Spec -0.45 deg. 7.9 deg. 0.10 deg.
+/- 0.5 deg +/- 0.6 deg. +/- 0.2 deg.
Lt. frt. -0.60 deg. 8.2 deg. 0.06 deg.
Rt. frt. -0.06 deg 7.7 deg. 0.06 deg
0.12 Total
The rate of front tire wear is a little more than double that of the rear tires and will be at 2/32" depth by 23,000 miles.
My questions are:
1. Is this normal tire wear for the C6?
2. If not, what have some of you done to reduce tire wear? i.e.
alignment changes, tire brand changes, etc.?
I would appreciate reading any comments to this post.
Camber Caster Total Toe
Frt. Spec -0.45 deg. 7.9 deg. 0.10 deg.
+/- 0.5 deg +/- 0.6 deg. +/- 0.2 deg.
Lt. frt. -0.60 deg. 8.2 deg. 0.06 deg.
Rt. frt. -0.06 deg 7.7 deg. 0.06 deg
0.12 Total
The rate of front tire wear is a little more than double that of the rear tires and will be at 2/32" depth by 23,000 miles.
My questions are:
1. Is this normal tire wear for the C6?
2. If not, what have some of you done to reduce tire wear? i.e.
alignment changes, tire brand changes, etc.?
I would appreciate reading any comments to this post.
Safety Car
Joined: Feb 2007
Posts: 4,939
Likes: 448
From: CHOCOWINITY NC
First of all, fix your alignment.. what's with the mismatched camber?
The "cruisers" typically Reduce Camber (at the expense of cornering)
If you like to play in the twisties, put it to spec.
Here was my before and after. At 9K, tires are wearing perfectly (I drive the car):
The "cruisers" typically Reduce Camber (at the expense of cornering)
If you like to play in the twisties, put it to spec.
Here was my before and after. At 9K, tires are wearing perfectly (I drive the car):
Last edited by Modshack; Apr 7, 2008 at 12:03 PM.
Moderator emeritus
Joined: Jun 2001
Posts: 18,599
Likes: 3,951
From: Jacksonville Florida BWO Dayton, Cincinnati, Bloomsbury NJ, Cincinnati
2015 C7 of the Year Finalist
The longest mileage for your tires will be at a camber of -0.1 f/r that gives more tire to be "flat" but it reduces the response in the twisties. If you want maximum response in the twisties then set camber to -0.45 f/r (Stock). I'm at -0.1 for the maximum mileage for the tires. Handling is fine for a daily driver. Were I to desire to do autocross then I'd bump up the camber. I have near 11K in 14 months tires look great.
Melting Slicks
Joined: Sep 2005
Posts: 2,670
Likes: 134
From: merritt island fl
C1 of Year Finalist (stock) 2019
2016 C1 of the Year Finalist
2015 C2 of the Year Finalist
The longest mileage for your tires will be at a camber of -0.1 f/r that gives more tire to be "flat" but it reduces the response in the twisties. If you want maximum response in the twisties then set camber to -0.45 f/r (Stock). I'm at -0.1 for the maximum mileage for the tires. Handling is fine for a daily driver. Were I to desire to do autocross then I'd bump up the camber. I have near 11K in 14 months tires look great.
Moderator emeritus
Joined: Jun 2001
Posts: 18,599
Likes: 3,951
From: Jacksonville Florida BWO Dayton, Cincinnati, Bloomsbury NJ, Cincinnati
2015 C7 of the Year Finalist
I run 31 PSI in the tires and the wear is even as can be for all 4 tires. The camber will cause the inside edge of the tire to wear out faster than the middle or outer edge. There were pictures on here of threadbare tires on the inside and not even down to the warning bars on the outside tread. I had the camber dropped immediately on the car to try and extend the mileage on the tires.
Elmer
Moderator emeritus
Joined: Jun 2001
Posts: 18,599
Likes: 3,951
From: Jacksonville Florida BWO Dayton, Cincinnati, Bloomsbury NJ, Cincinnati
2015 C7 of the Year Finalist
Here is the thread that shows the wear caused by the high camber.
http://forums.corvetteforum.com/show...7&postcount=20
Elmer
http://forums.corvetteforum.com/show...7&postcount=20
Elmer
Thread Starter
Racer
Joined: Apr 2006
Posts: 486
Likes: 2
From: The Villages FL
To Modshack, eboggs jkvl and dave pawlowski thanks for your prompt and informative replies. My problem seems to be too much negative camber. I shall get it into the shop tomorrow. Again many thanks.
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Melting Slicks
Joined: Sep 2005
Posts: 2,670
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From: merritt island fl
C1 of Year Finalist (stock) 2019
2016 C1 of the Year Finalist
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I run 31 PSI in the tires and the wear is even as can be for all 4 tires. The camber will cause the inside edge of the tire to wear out faster than the middle or outer edge. There were pictures on here of threadbare tires on the inside and not even down to the warning bars on the outside tread. I had the camber dropped immediately on the car to try and extend the mileage on the tires.
Elmer
Elmer
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Joined: Jun 2001
Posts: 18,599
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From: Jacksonville Florida BWO Dayton, Cincinnati, Bloomsbury NJ, Cincinnati
2015 C7 of the Year Finalist
Darn tread looks so good I haven't even bothered to measure it. I'll give it a look and get back to you.
Flat as an aircraft carrier's deck. I don't have a gauge to measure it but I used a finishing nail and put a piece of masking tape on it to "spot" the depth and it was almost spot on all the way across the front and rear tires.
Elmer
Flat as an aircraft carrier's deck. I don't have a gauge to measure it but I used a finishing nail and put a piece of masking tape on it to "spot" the depth and it was almost spot on all the way across the front and rear tires.
Elmer
Last edited by eboggs_jkvl; Apr 8, 2008 at 11:52 AM. Reason: Added tire check data
Melting Slicks
Joined: Sep 2005
Posts: 2,670
Likes: 134
From: merritt island fl
C1 of Year Finalist (stock) 2019
2016 C1 of the Year Finalist
2015 C2 of the Year Finalist
Darn tread looks so good I haven't even bothered to measure it. I'll give it a look and get back to you.
Flat as an aircraft carrier's deck. I don't have a gauge to measure it but I used a finishing nail and put a piece of masking tape on it to "spot" the depth and it was almost spot on all the way across the front and rear tires.
Elmer
Flat as an aircraft carrier's deck. I don't have a gauge to measure it but I used a finishing nail and put a piece of masking tape on it to "spot" the depth and it was almost spot on all the way across the front and rear tires.
Elmer