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Old 09-10-2008, 11:15 AM   #16 (permalink)
Master EcoModder
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Join Date: Dec 2007
Location: Norfolk, Va. USA
Posts: 869

CPT SLO - '93 GEO Metro plainjane
90 day: 53.91 mpg (US)

SilverHairBeauty - '01 Toyota Avalon XL
90 day: 24.06 mpg (US)
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I can't tell you what he differences are on your Corsa,
In my wifes Avalon, fully warmed up, with its automatic transmission, according to the SG;
.33 GPH in neutral, coasting or sitting,
.49 GPH in D. sitting (Thats 50% more fuel)
.00 Gph in D. coasting over 47 MPH (decel fuel cutoff)
1.5 GPH in D. and dropping coasting under 46 MPH
So when I am on the highway I coast in D until we break the threshold of 46 MPH then put it in N until I need more speed again.

My Metro has no High Tech readout, it is too old for SG, and I don't feel confident enough to build a Guino.
But I have been told by those who have one that the Metro burns ~.25 GPH at idle, (and I cut my idle down to 500 rpm for further savings)
So at 60 MPH that would work out to 240 MPG coasting at idle engine on.
Not as good as EOC, but this is what I do in heavy traffic. (which is most of the time here)
Hope this helps,

When you are courting a nice girl an hour seems like a second. When you sit on a red-hot cinder a second seems like an hour. That's relativity.
Albert Einstein
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