Flat Shifting Mazda RX-4 13B turbo

In Drag, Video by fullboost

We spotted Ryan’s Mazda RX-4 at a recent street test session at Calder Park. The car features a Promaz 13B bridge port rotary engine, Garrett GTX42R turbocharger, E85 fuel and a Samsonas sequential gearbox. This was the first time Ryan’s was using the Samsonas’ flat shift feature which was adjusted throughout the night.