3.8L Whipple Supercharged Mustang S550 Puts Down 1300HP -Video

We’ve got Terry Day’s 3.8L Whipple Supercharged S550 on the dyno making some absolutely insane numbers! Terry’s car features an RPG Built Motor, RareFab 1500R Transmission, and of course Palm Beach Dyno tuning courtesy of Rob Shoemaker. We’ll be making some hits on this setup soon so stay tuned for the track vids! Source : Palm Beach Dyno via Youtube

Source : Palm Beach Dyno via Youtube