Originally Posted by
Matt49
About how many heat cycles are you guys getting out of your D21s before they start to get bad? We get about 6 heat cycles and then after that they are only good for short runs regardless of track conditions. They go away after about 4 laps it seems. Have others had this same experience?
I have noticed the SPEC 21 doing that on some surfaces. I never had that problem with the old 21s when they were an economy tire compound.
Modern Day Wedge Racing
Florence -2
Atomic - 2
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