While we often film cars on the dyno we thought we’d take a closer look at what really goes on before your car is power tuned. Promaz shows us their processes and …
Billet 4-rotor for Mad Mike Whiddett
View PostBuilding a 1500hp Billet 20B 3-rotor
Its not often we get to film a Mazda rotary engine on an engine dyno. This 20B 3-rotor engine built by Promaz Automotive was setup to be a responsive allrounder to be …
Switching from slicks to radials in a 13B turbo rotary
After a few years away from the track, it was great to see Andrew’s 13B rotary turbo Mazda 323 back in action with a brand new setup front to back. The car …
The Ultimate Mazda RX-4 street car
A great example of a modified and street driven Mazda RX-4, Dunch’s coupe is powered by a Promaz 20B 3-rotor billet rotary engine boosted by a Garrett GTX47 turbo, FuelTech EFI and …
The Ultimate Rotary engine – BILLET 4-Rotor
Perhaps one of the most sought after Japanese engines of all time, the Mazda 4-rotor isn’t even a production rotary engine. Mazda built them as a race only application in 13J and …
Building a 1500hp Billet 20B 3-rotor
For over 20 years, Australian Mazda performance power house Promaz, has specialised in everything rotary engine powered. From mild street engines to utterly wild race applications, Promaz also carries out complete driveline …
Inside Sport Compact Drag Racing in Florida | A fullBOOST feature
As long time fans of Sport Compact style drag racing, we have always wanted to head over to stateside Florida to attend the annual World Sport Compact Challenge held at Orlando Speed …
Rotary Heaven | Inside Promaz Racing
Well known Australian Mazda rotary engine performance specialist Promaz Automotive recently celebrated 20 years of business so we thought it would be a good opportunity to catch up with the team for …
Why you need a BILLET Rotary engine
With engine power levels reaching new heights it’s no wonder many are turning to billet engine parts for greater reliability. In this video we look at some of the benefits of going …
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