Quote:
Originally Posted by terry.sc
The banning of foams came about due to a big race meeting in the 90s (can't remember which one) which was on a hard packed clay track in the US. The surface was so hard and such a thick blue groove had built up the top drivers used specially shaped rounded foams with a centre groove which gripped so much better than any of the rubbers available at the time. Unless you had a set of the special foams you had no chance. By banning foams they made sure situation never happened again.
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I think it was at a race in Yatabe arena that yokomo and AE guy were running
strange cut foam tires