The speedometer and hence odometer are run off the front wheel which is unaffected by transmission modifications . The Dr . Pulley transmission kits just affect the point at which the variator in the transmission shifts by sliding the pulleys closer together . It usually holds the RPMs a bit higher for longer to take advantage of the pier available there , especially on a modified engine . The higher RPMs can definitely affect fuel consumption . <| sep |> I did not see many solutions here , but the author fits the bill . kind of books you mention are plenty . Art of problem solving , many books by titu andrescu come to mind . <| sep |> yes , especially if it gets you wet . <| sep |> Even expensive , toplevel private cheats that pro players use end up getting detected by itWhat makes you think that ?