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Evolution of the E7 Engine
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Question
kevgibbs
Can anybody give me somewhat of a detailed history of the E7 engine? I'm more concerned about how the fuel system on the engine changed over time. I'm aware that a full mechanical engine was made and that a ECM controlled engine was made. However I've recently found another model for sale that uses the mechanical fuel injection pump but utilizes what looks like a electronic stepping motor to run the throttle. We have a full mechanical E7 in our fleet and we're convinced that it is the best engine to ever roll off of Macks assembly line. I would just like some history on how the E7 changed over time and what models proved to be the most powerful and service free over time.
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