Q:

What are the benefits of using the Simms fuel injection pump?

A:

Quick Answer

Benefits provided by using a Simms fuel injector pump include improved fuel efficiency, smoother idling and longer engine life. The Simms fuel injector pump features a governor that delivers fuel according to pressure in the supply chamber and by varying the amount of fuel delivered according to vehicle speed.

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Full Answer

Using supply chamber pressure to deliver fuel increases fuel efficiency and enables quicker starts, even in cold weather. Varying the amount of fuel delivered according to vehicle speed is important because a diesel engine does not have an air intake throttle, so it revs according to the amount of fuel received. With an unregulated fuel supply, the engine revs at excessive speed, idles roughly and burns through lubricant, which eventually causes engine failure. The Simms fuel injector governor prevents this by cutting off the fuel supply when over-cranking occurs.

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