Mack E9 V8 sound 1.39

5 engines size. Engine specs taken from torque curve charts obtain from some old mack brochures. The Tooth Fairy did come and Tune an engine up for all you 100mph drivers

400hp
450hp
500hp
620hp, 500 Tuned
990hp, Tuned by the Tooth Fairy

Supports all SCS trucks and Scania's by RJL.