I bought some used Hoosier R6's and autocrossed them Sunday.I ran 27 psi in all 4 corners(its RWD) but it didnt hook like I thought it should,Is the pressure to low?? I read some forums and numbers are all over the place. Specs... Weight of car is 3000 V8 Automatic.
what's car is it? that can help us determine where the weight is
R6's don't work too well in an autocross, they are more for track use. 27 psi seems low. The Hoosier web site has the reccomended pressures by car weight. Also The Tire Rack under care and feeding.
I run them at 36-37 hot for a 2400lb car as Hoosier says to in the care and feeding instruction manual for the tire. I have no idea how you get them hot in a parking lot before a run though... it takes me 2 laps around a road course before they are up to temps.
See here> TIRE CARE TIPS FOR R6 & A6 TIRES
Mayhap you should be running the softer A6's?
This is a 2011 challenge car and the R6's are what fit the budget so I have to make them stick as best as possible.The car weighs 3000.Changing tires right now are not an option.
speedbiu wrote: This is a 2011 challenge car and the R6's are what fit the budget so I have to make them stick as best as possible.The car weighs 3000.Changing tires right now are not an option.
Well, I'd start them at 36 (1-2psi less than target for your weight as per the link above).
Do you know how many heat cycles they have on them? This is a tire that is like a miracle glue for the 1st 20 and then like ice. You can try some tire softener to see if you can get a little more life out of them...
http://www.jegs.com/c/Wheels-Tires_Traction-Compounds-Tire-Treatments/11621/10002/-1
for cheaper tire softener, use odorless mineral spirits.
Tire warmers and softener?
What were your tire temps?
AngryCorvair wrote: for cheaper tire softener, use odorless mineral spirits.
What if I want my tires to have a fresh piney scent?
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