The ZF 8HP 8-speed transmission is quickly becoming a popular choice as a conversion option in many sorts of vehicles given their capabilities. We caught up with the team from Promaz who …
Billet 4-rotor for Mad Mike Whiddett
View PostHow to tune your Mazda ROTARY engine the right way
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 …
Building a Mazda RX-8 the right way
If you’re looking to build a rotary street car, the Mazda RX-8 is looking more appealing by the day. It’s a great handling chassis and still comes with a lower entry price. …
Rotary drag racing from the Buznats
From the Buzznats held at Heathcote Park Raceway. Let’s make 2023 an even bigger event! If you’d like to be notified every time we upload a video, subscribe and then click the …
Building 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 …