Tyre additive, 90% MR33 works fine on tarmac outdoors. So it is the safe choice.
Time, around 20-30 minutes
Temperature 55-65 C With higher temps on the track go a bit lower on the warmers.
Procedure,
1. Clean the tires, with brake cleaner or lighter fluid.(first one is more aggressive)
2. Put a thin layer of additive on the tires.
3. Cover the tire with some paper, I use toilet paper, other ones use kitchen rolls.
4. Put the warmer
5. After the time, and before the race be sure that there is no additive on the tires, if there is still some of it, remove it with a more or less clean towel.
Cheers
Javier
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