1990-02-01

New Technology Employed for the Latest 13B-Rotary Engine 900036

The 1990 RX-7's 13B rotary engines have been designed to give the spirited performance of a genuine sports car engine. This engine with improved response provides the operating ease, plus the oil and fuel economy expected by today's consumers.This paper describes the new technology and improvements employed in the 13B rotary engines including: the variable dynamic effect intake system the independent twin scroll turbo system (These are incorporated to improve intake.) optimization of transient fuel control improved control over knock and idle feedback a lighter rotor an ion-nitrided gear inertia moment reduction of the rotating system (to increase engine power and response) also including an electronically controlled oil metering system for improved lubrication.

SAE MOBILUS

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