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LFMotorsports
06-04-2012, 05:16 PM
I have a basic question that I have searched and can't find a reasonable answer. For the Hoosier D40 and A40 tires (UMP Modified) what kind of tire temperatures are needed before they start to work? Typically you can tell a tire was too hot, but hard to tell if a tire did not get enough heat in it to work.

Thanks in advance.

emodracer
06-04-2012, 11:10 PM
I think its 120 for a D and 140 for an A

Fahrenheit_451
06-07-2012, 06:36 PM
i copied this from another forum about two years ago...

The D's optimum operating temp is around the 100 degree mark.

The A's optimum operating temp is around the 120-140 range. Any warmer then that the A tends to seal up under a caution.

The H's optimum operating temp is around the 135-155 range.