Thread: 40 mpg s10 2.2L
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Old 01-29-2012, 04:41 PM   #13 (permalink)
Olympiadis
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Join Date: May 2010
Location: Illinois
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White2003Focus - '03 Ford Focus SE 4-door sedan
Team Ford
90 day: 38.53 mpg (US)

White2001S10pickup - '01 Chevy S10 extended cab LR
Last 3: 24.51 mpg (US)

1989DodgeOMNI - '89 Dodge Omni
Last 3: 30.38 mpg (US)

1991ChevyC1500pickup - '91 Chevy C1500
Last 3: 24.03 mpg (US)

White1986Irocz - '86 Chevy Irocz LB9
Last 3: 30.14 mpg (US)

1999 C5 Corvette - '99 Chevy Corvette

2008 Infinity G37 - '08 Infinity G37
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Quote:
Originally Posted by Georgboy View Post
At what rpm does this happen?
You would have to look into your PCM's calibration values, or use a WBO2 AFR gauge to find out. It's not a certain RPM, but combination of conditions that determine the load on the engine. High gear ratios add significant load to the engine.

Getting rid of vehicle mass, improving aero, and increasing the engine's low RPM torque are ways to lessen the load at a given cruise speed/gearing.
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