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  1. zr1racer

    dual stage engine management system

    Thank you guys for your replies which helped me fuel my thought. I'm leaning towards an Autronic SMC (or SM4?). Anyone has any experience about their products? Their website is not fully functional right now and documentation on the web is quite limited. Thanks again! David
  2. zr1racer

    dual stage engine management system

    And of course, disregard the cruise control and ASR thing, it would not work if only on ECU2... Thanks David
  3. zr1racer

    dual stage engine management system

    Thank you all for your replies. A Motec controler with dual stage injector system is rather around us$ 2500.00 if I'm not mistaken. Other brands are in the same prices. That is 12 times more expensive than a pair of Delcos! That makes quite a difference for a box, which, if one day fails, will...
  4. 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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