When it comes to rotary engines, although they may all look quite similar, inside they can be quite different. In this video we break down some of the different aspects of porting …
Flat Shifting Mazda RX-4 13B turbo
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 …