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Old 07-20-2004, 02:19 PM   #1
ripvw
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Default Question for Luke on Cannonball skidpad results

Just got through looking over the results of the 2004 Cannonball skidpad competition as posted on Tire Rack:

http://www.tirerack.com/features/mot...s/one_lap.html

since everyone was running on unshaved street tires the results are of more than just passing interest - thanks again for posting the info and of course for sponsoring the race in the first place

As usual, the BFG K/D's posted over 1g in the dry
and the Goodyear GS-D3's posted over .9g in the wet - no surprise there either

but it was nice to see how well the GS-D3's stick in the dry, pulling close to 1g on several cars

and it was really cool to see the Michelin PS2 deliver over .9g in the wet and over 1g in the dry - on the right vehicles, of course

I think you need to do a face-off between the K/D's and the PS2's in the dry

but my real question is regarding the cold pressures that the participants ran on the skidpad testing

35-40psi dry - or am I on the low side?

30-35psi wet - or am I all wet?

any idea - or is it a trade secret?

of course, participants in the Cannonball are invited to post their comments as well
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Old 07-21-2004, 09:29 AM   #2
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every car had different set ups so, everybody ran different pressures but typically they ran 4-6 psi above their typical track pressures in the dry and 2-4 above their typical track pressures in the wet .... higher pressure in the dry was a rule of thumb for most competitor since our skid pad doesn't leave deep puddles when watered down
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