Welcome to the forum!
Quote:
Originally Posted by wmjinman
2) I never dreamed 40 mph would be the "peak efficiency speed". I always thought it would be around 50, with the mpg dropping below that due to "inefficient engine speeds".
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That lines up predictably with a broad range of other vehicles that members here and elsewhere have tested, as you did.
Generally passenger vehicles get the best cruising fuel economy at the lowest road speed after top gear is engaged. (Though sometimes at the lowest road speed in
second from highest gear, for some vehicles with higher aerodynamic drag.)
FYI, see:
http://ecomodder.com/forum/showthrea...you-15182.html
Glad you're having fun with the ScanGauge - I remember being pretty excited by the world of testing possibilities it opened up when I first got mine for my Pontiac Firefly (clone of your Suzuki, with the 1.0L 3-cylinder though).