D Stock V710 failure
#1
V710 failure
I had an incident with a V710 during an AutoX this weekend, was curious if anyone else had experienced the same? late on the course I was very deep in a turn front passenger tire rolled off the rim 50lbs of air high 80's Don't appear to have any damage rims were MINI 16" 5 spoke R84s I think. No apparent tire damage I will try and get it re seated this week. Its possible the tire was slipping on the rim before hand I was told it looked funny the intire run. To bad I think I would have knocked off an excellent run felt like I was really moving.
any comments would be appreciated.
On the bright side I can now honestly say I have driven the tires off the car
any comments would be appreciated.
On the bright side I can now honestly say I have driven the tires off the car
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I'd lay odds that you couldn't visually tell the difference, unless you sat there and watched the tire being inflated.
I haven't personally had to run 60psi, but with a previous STS car the fronts actually required 52-55psi for best grip for some tires in 225/50-16. They looked just like they did at 40psi.
Older FWD cars with taller profile tires would frequently run 60psi+ in the front. 185/60-14 was considered low profile in the 80's, as was 225/50-16.
Autocrossing can drive some pretty funky setups in some classes. You just have to use what works for your car and situation.
Scott
90SM
I haven't personally had to run 60psi, but with a previous STS car the fronts actually required 52-55psi for best grip for some tires in 225/50-16. They looked just like they did at 40psi.
Older FWD cars with taller profile tires would frequently run 60psi+ in the front. 185/60-14 was considered low profile in the 80's, as was 225/50-16.
Autocrossing can drive some pretty funky setups in some classes. You just have to use what works for your car and situation.
Scott
90SM
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I've had the lube (that they use to get the tire onto the rim) sorta spray out onto the sidewall before on 710's (and some other tires, to a much less extent). It made me a little nervous, but I never seemed to lose any air pressure, though.
Glad you didn't have a serious incident!
Edit, by the way, I always ran over 40psi in my 710's, too. No biggie.
Glad you didn't have a serious incident!
Edit, by the way, I always ran over 40psi in my 710's, too. No biggie.
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IMHO, there is no one absolute tire pressure setup. The tire pressures have to be set to the driving style of the driver and the car setup. I've had co-drivers before where the pressures were set to their preferrence; they did very well while I thought the car was an undrivable pig. You have to find what works for you on the surface and conditions you're running on.
Personally, I start every event for both Hoosiers and Kumhos at 43F/38R. Most of the time, all I have to do is bleed off the temperature induced pressure gain. I may juggle the pressures a pound or two, but that's it. It works perfectly well for me. YMMV.
Personally, I start every event for both Hoosiers and Kumhos at 43F/38R. Most of the time, all I have to do is bleed off the temperature induced pressure gain. I may juggle the pressures a pound or two, but that's it. It works perfectly well for me. YMMV.
#25
That has always been my settings---42f/36r. Isn't setting the rears that high just covering a mishandling car? I am not trying to start a war here, just never heard of running that high a pressure. I know you can play with the rear pressures to help with under/oversteer but have never seen pressures that high before.