The Renault R5 Turbo, a mid-engine rally homologation special based ... complete with aftermarket turbocharging on top of the Mazda swap. A 13B two-rotor was installed in the middle of this ...

Its 13B engine produced 252 horsepower from a 1.3-liter engine thanks to a sequential twin-turbo. But while the rotary ... Then a final run at 35 psi, which is 2.5 times the atmosphere at sea ...