i have problems with the speedometer jumping erracitly has anyone else had these problems and had mine jeted to 32.30.30.32 and a d&d exaust and it boggs down at real low rpms so taking it back to a 30.28 set up but did get a extra 5 hp out of the config. and toped out about 170 on the spedo but im 6´2 245 so i bet it would be more. will update after the maxxixs tire and new jet kit work