Re: [DML] Best way to shift for better fuel economy?

[Martin Gutkowski <martin@xxxxxxxxxxxxxx>]

Actually that's where a spark-ignition (SI) engine is at its most 
efficient. WOT means minimum pumping losses (one of the biggest problems 
with SI engine efficiency vs compression ignition), and the slower the 
engine is turning, the lower the frictional losses.

Martin


On 21/01/2011 00:41, Tom Niemczewski wrote:
>   Low RPM with a lot of
> gas is very inefficient





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