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Cleaning the tyres on the driven wheels with a practice start in the so call tyre warming area is worthwhile especially at muddy venues but I don't believe that the tyres really get that warm.
The top surface will get warm because of the friction etc but not to the extent that you'd think. Getting the air inside hot is what you need and that doesn't happen staight away.
And if tyre warming really worked god help you at the first corner if the fronts are still cold...
OR - having said all that - ask BMTR about crossply racing tyres - heating up radials quickly is difficult and some of the quick guys run extreme camber just to get the tyres warm. On the other hand crossplies - which will be ruined by lots of camber - heat up much more quickly because the way the plies run across the tyres mean that when the car rolls forward the plies rub against each other and generate heat.
Running crossplies sounds retrograde but it's the best kept secret in speed events
Question is - do the top ten guys use them??
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