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Rotary drag racing from the Buznats

In Drag by fullboost

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 …

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The Ultimate Mazda RX-4 street car

In Feature by fullboost

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 …

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Building a 1500hp Billet 20B 3-rotor

In Tech by fullboost

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 …

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Rotary Drag Racing – RAW SOUNDS

In Drag by fullboost

It’s been a while since we uploaded any drag racing footage, here’s a little that we captured before the world stopped. Feature Mazda rotary 13B and 20B turbo powered compacts from Sydney …