Track Tire Suggestions - Z06Vette.com - Corvette Z06 Forum
 
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post #1 of 5 (permalink) Old 07-10-2006, 11:08 PM Thread Starter
rikhek
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Track Tire Suggestions

I just bought 4 - 18" Z06 OEM wheels for road course duty. Toyo RA-1's will be the main tire of choice. Torn between running 275 fronts and 305 rears or going with 305's all the way around. Your thoughts?

Rick
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post #2 of 5 (permalink) Old 07-11-2006, 04:11 AM
jlucas
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Both have positive and negatives, so in the end it comes down to driver preference. If it's your first set of R comps, get the 275/305 combo.

Jeremy Lucas
02 Z06 - sold to go racing! (SpecE30 now)
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post #3 of 5 (permalink) Old 07-11-2006, 07:33 AM
kmagvette
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FWIW - I went with the T1 set up, 315x17 all the way around. These are my first slicks (Goodyear gs-cs) and I find them to be quite friendly - even when I get stupid slideways. The car remained well balanced through a slide to the left followed by an intentional tank slapping slide to the right.
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post #4 of 5 (permalink) Old 07-11-2006, 09:46 AM Thread Starter
rikhek
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Quote:
Originally Posted by jlucas
Both have positive and negatives, so in the end it comes down to driver preference. If it's your first set of R comps, get the 275/305 combo.
I have about 900 track miles at Hallet in Oklahoma on R tires. I've just upgraded to bigger wheels. Guess i'll try both and find out for myself.

Additional comments are welcomed.

Rick
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post #5 of 5 (permalink) Old 07-16-2006, 02:18 PM
Subdriver
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Rick,
What are the height (overall diameter) differences between the Toyo 275 and 305? I've run 275/40-17 front and 315/35-17 and they are both fine. But if the Toyo's are too tall or too short you may notice that it negatively impacts overall handling.

As for the width, I find that the 275s offer a little less rolling and aero resistance that helps a little at high speed tracks, the 315s offer more bite under braking and seem to turn in a little better. As I have to run the 315s on 10" rims, the whole tread isn't on the ground due to some buldging so I find that mid-corner grip isn't all that much different between the two.
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