Building the best Mazda 20B street response rotary engine | fullBOOST

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 fitted into an FD RX7 street car. The engine features Billetpro billet engine plates, a Garrett G45 turbo and Fueltech EFI. We caught up with the team during the tuning process.
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