roll out is a way of working out gear ratios by the amount of times the transmission rotates to how many times the wheels rotate. but dont even bother just use the interal ratio to work out gearing your best bet is to find out what the quick guys are using and start from there and fine tune. ive never used roll out to aid gear ratios with rubber tyres and 3 carpet wars the vega cup 2 stcc championships and numaruse natinal a finals says i must have been doing somthing correct.
stu rand
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