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10-14-2009, 06:42 AM
Absolutely! You are still looking to have the same hot pressures as you normally would but the track surface will be much colder. If it's dry then maybe 2-3 psi more, in the wet maybe as much as 6-8 psi more! It depends entirely on what tires you are running.
The "hot" pressure is what is setting the shape of the tire. Having the right pressure/shape is what maximizes the size of the tire contact patch.
You can also run into a situation where the more daring you are the more grip you will have -- that is because as it becomes more challenging to get heat in the tires you'll see the better drivers driving near the limit desperately trying to get them up to temp. Another driver driving slowly, like in the rain for example, might be going slowly enough not to slip/slide and never get heat in the tires!
That's more of a racing thing though
Don't use me for an excuse going 4 wheels off 
The "hot" pressure is what is setting the shape of the tire. Having the right pressure/shape is what maximizes the size of the tire contact patch.
You can also run into a situation where the more daring you are the more grip you will have -- that is because as it becomes more challenging to get heat in the tires you'll see the better drivers driving near the limit desperately trying to get them up to temp. Another driver driving slowly, like in the rain for example, might be going slowly enough not to slip/slide and never get heat in the tires!
That's more of a racing thing though
Don't use me for an excuse going 4 wheels off