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Old 03-15-2011, 05:24 PM   #38 (permalink)
darcane
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Quote:
Originally Posted by t vago View Post
Not entirely true.

Moderate or brisk acceleration actually saves more gas, compared to light acceleration. It is true that you might see higher instantaneous fuel consumption, but the engine isn't forced to both propel the vehicle forward and generate a decently high vacuum. In other words, brisk acceleration puts the engine closer to the ideal area on its BFSC map, than would light acceleration.

<Snip links to spiffy graphs>

Just don't floor it to the point where the engine computer goes into open loop.
Useful info about gas engines...

But keep in mind this thread is all about a Dodge truck with a Cummins Diesel... No throttle, no high manifold vacuum...

Mike
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