Quote:
Originally Posted by bubba428
how can you know that? what about tires? transmission gearing? rear gears?
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Ok to answer : their is a tool all who take racing serious have to look and make sure your not being snookered by the bunch yea use this size tire and this gear WRONG -- and MOROSO makes a Power Speed Calculator # 89650 jeg summit carry it - and its not perfect it does not have a tire spin adjustment or weather correction factor - but it can take lots of guess work and with everything you might want to change and the affect of that change mathematically -- mine is 25 years old my guess its yelloow from age any way i paid 2 bucks for it i think now their 10 i dont know but worth the buy --- jz