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Originally Posted by actwithclarity
The chart I linked seems to show 3000 RPM as the best?
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It shows good BSFC within that 283 line, which outlines a whole area from 1500rpm up.
I'd say you're OK from 2000-2500 at 70-85% load, so try accelerating in that area and see what results that gives.
If it still works, try shifting even earlier.
Aiming for the small 250 g/kwh window itself during acceleration seems futile.
Remember :
While you may get good BSFC, i.e. good power / gallon, you still get lousy mileage, so try to switch to steady driving (or P&G) as quickly as possible.
Quote:
I don't understand, if I am at 3000 RPM, how do I know if I am at 25, 50, or 80 torque? 
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You don't really know, though you could try to relate it to the % loading of the engine (LOD gauge if you have a ScanGauge).
Gets complicated fast though, as it varies with rpm.