1300hp Mazda 13B | PRO-RX8 rotary by Promaz

An evolution over the last couple of years, the Promaz Racing Mazda RX-8 recently ran a personal best pass at the Brisbane Jamboree of 7.41 @ 188mph.

Taking a closer look under the skin, the RX-8 is powered by a Promaz 13B Cosmo bridge port race engine that features BilletPro front and rear billet end plates for added strength and durability. A unique feature of these plates is the innovative locking mechanism of the removable cast iron insert.

There are many other custom CNC machined parts on this car including the intake plenum and sump just to name a few.

Creating and controlling the boost is a large Garrett GTX55 turbocharger and Turbosmart wastegate. Methanol fuel is delivered via a mechanical fuel pump and governed via a FuelTech FT500 computer. Simon shifts gears via a Liberty Equaliser clutchless transmission. The RX-8 is a ¾ chassis that still features fully functioning rear doors. We caught up with the team as they were preparing for Jamboree where the car consistently punched out over 1000hp.

Mazda RX-8 by Promaz | ¾ chassis
Promaz 13B Cosmo race engine
BilletPro front and rear plates
Garrett GTX55 turbocharger @ 47psi
Promaz plenum, Turbosmart wastegates
FuelTech FT500 EFI, methanol fuel
Liberty Equaliser 5-speed clutchless gearbox
Race weight: 2415Ib / 1092kg
Power: 1000+hp | Dynotech hub dyno
Best ET: 7.33 @ 191 mph
http://www.promaz.com.au

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