• Engines and Accessories

    by Published on 09-18-2003 08:44 PM
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    For most people reading this article, an introduction to the Electronic Control Unit (ECU) or Electronic Control Module (ECM) of an electronically fuel injected engine is not necessary. Automobiles have been equipped with these units for over twenty years now, in varying levels of sophistication.

    Essentially, the ECU or ECM is an onboard computer system that receives input from various sensors and actuators on and in the engine and delivers the programmed amount of fuel based on this input. As computer technology has increased, so has the ability to more accurately monitor engine operations. The result is more performance from less fuel.

    PCU connected to computer with serial interface for programming
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    by Published on 07-24-2003 05:40 AM

    High performance outboard-powered boats are not just the toys of racers anymore. For the past twenty years, racing outboards have become increasingly popular in the consumer market, and the presence of these high-performance powerplants is a common sight at boat launch ramps these days.

    These outboards appeal to many performance boaters for many reasons the main one being increased power without the extra weight. For example, a 200 horsepower Mercury 2.5 liter engine weighs roughly the same as its 280 horsepower counterpart, yet produces almost a third ...

Chris Carson's Marine