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  1. zr1racer

    dual stage engine management system

    Hi all I own a modified '93 Corvette ZR-1, the one with a Lotus designed V8 32 valves engine. This engine has 16 injectors. 8 primaries for low speeds or 8 primaries + 8 secondaries for higher rpms or power output. Injectors are all the same (bosch 200cc). Currently LT5 ECU works with a MAP...

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