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Re: Winston and Busch differences?
Posted to R.P.M. Forum on 2/26/2002 1 Reply

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Gentlemen, I hope I can be of some assistence here... There are some distinct differences between the two classes. Cup cars are 12.5:1 CR Busch is 9.5:1 CR (same as IROC series)

Next, cup cars are b... Login to read more.

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