zo6 tire size
Melting Slicks
Joined: Feb 2007
Posts: 3,266
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From: Indian Rocks Beach FL
St. Jude Donor '08-'09-'10
If you go to the Tire Rack website and search for tires by size you will find most manufactures recommend a 10-11 inch rim size for that tire. Yours' should be 10.5's so you should be fine 
Le Mans Master
Joined: Sep 2000
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From: ABQ NM
Cruise-In II Veteran
It would be in your best interest to learn 
. Width is fine, but you are going to a lower profile tire, and thus a smaller rolling diameter (circumference). Your car doesn't have AH, so if it becomes less than that of your front tire, I don't think it will impact your traction control. It will throw off your speedometer.
. Width is fine, but you are going to a lower profile tire, and thus a smaller rolling diameter (circumference). Your car doesn't have AH, so if it becomes less than that of your front tire, I don't think it will impact your traction control. It will throw off your speedometer.
Safety Car
Joined: Dec 2004
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From: Jersey Shore Exit 98
Race Director
Joined: Oct 2002
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From: Gone
CI 6-7-8-9-10 Veteran
St. Jude Donor '03
Active Handling is unaffected by tire height changes.
Traction Control is affected, and yes his 97 has it.
I would not run the 295/30/18 on the rear, as your chances of finding a shorter front tire (in either 17 or 18" size) are quite slim....and you need to keep the rear tires taller than the fronts to avoid unwanted traction control intrusion.
Le Mans Master
Joined: Sep 2000
Posts: 6,101
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From: ABQ NM
Cruise-In II Veteran
[QUOTE=Y2Kvert4me;1573492649]You got that backwards...
Active Handling is unaffected by tire height changes.
Traction Control is affected, and yes his 97 has it.
Tom,
Not trying to get into an argument here, but why are you saying the AH doesn't get impacted if the rear tire circumference is less than the fronts? I thought this has been a perennial topic here
As to traction control, how would the change in the front to rear tire circumference ratio affect the TC? Isn't the TC just a function of what is going on with the left rear wheel and right rear wheel? How do the front tires play a role in this?
Active Handling is unaffected by tire height changes.
Traction Control is affected, and yes his 97 has it.
Tom,
Not trying to get into an argument here, but why are you saying the AH doesn't get impacted if the rear tire circumference is less than the fronts? I thought this has been a perennial topic here
As to traction control, how would the change in the front to rear tire circumference ratio affect the TC? Isn't the TC just a function of what is going on with the left rear wheel and right rear wheel? How do the front tires play a role in this?
Race Director
Joined: Oct 2002
Posts: 16,477
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From: Gone
CI 6-7-8-9-10 Veteran
St. Jude Donor '03
Tom,
Not trying to get into an argument here, but why are you saying the AH doesn't get impacted if the rear tire circumference is less than the fronts? I thought this has been a perennial topic here
As to traction control, how would the change in the front to rear tire circumference ratio affect the TC? Isn't the TC just a function of what is going on with the left rear wheel and right rear wheel? How do the front tires play a role in this?
When the rears begin to turn faster the fronts, it is an indication of lost traction, TC intervenes and cuts power. Mounting shorter rear tires effectively increases sensed rear wheel speed. Keeping tire heights proportional front to rear is very important for this reason.
Active Handling monitors steering position, and car direction. When it senses the car is traveling in a direction different than that of what the steering wheel is pointed towards, it assumes the car is in a skid, and applies braking depending on which way the car is sensed to be skidding. It does so through the yaw and steering wheel position sensor.
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Thread Starter
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Joined: Jul 2007
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From: chambersburg pa
tires
Thanks for the info everyone. I knew someone could help answer my question... I didn't want to buy the tires without finding out about the size. I thought the last number had something to do with the profile.
Thanks for clearing that up
Thanks for clearing that up
Race Director
Joined: Oct 2002
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From: Gone
CI 6-7-8-9-10 Veteran
St. Jude Donor '03
Tire sizes work like this...
295/35/18
295 - width of tire in mm.
35 - sidewall thickness, expressed as a percentage of width. The sidewall dimension is 35% of 295mm in this example. Many people don't understand this, but as you can see, a wider tire with the same profile number also become taller.
18 - The wheel diameter (in inches).
295/35/18
295 - width of tire in mm.
35 - sidewall thickness, expressed as a percentage of width. The sidewall dimension is 35% of 295mm in this example. Many people don't understand this, but as you can see, a wider tire with the same profile number also become taller.
18 - The wheel diameter (in inches).
