CBR/Castrol Edge 1971 Mazda RX2 4 Rotor 4 Turbo Start Up

Thursday, October 25, 2018

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This 1971 Mazda RX-2 was built by Curran Brothers Racing in New Zealand. Many will recognize both the name and car as they have been serious contenders in rotary drag racing for years.

source/image(PrtSc): Curran Brothers Racing

When the RX-2 was first built it was powered by a twin-turbo two-rotor 13B. Soon after the engine was changed to a three-rotor peripheral-ported 20B..via(engineswapdepot)

With that engine the crew ran both a twin-turbo and triple-turbo setup. The engine produced around 1,300+ horsepower.

The engine was fitted with a huge single GT60 turbocharger and was capable of producing 1,600+ whp on 30-32 psi of boost.With this level of power the real failure point was the transmission. So CBR went with a Lenco CS3 air-shifted five-speed transmission.

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