Quote:
Originally Posted by ksa8907
Our Yukon also has the lowest gears available, I believe 3.08:1. Typically that would be a good thing but I think it is reducing our ability to stay in 4cyl mode. Above about 64 on flat pavement it likes to keep running as a v8.
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Cruse Control?
Hows the Oil pressure?
3.08 is highway gearing. Tall Gear. if it had a shorter gear it would run higher RPM engine speed
i.e 3.23, 3.42, 3.73 or 4.10....
The shorter the gear(higher RPM = more fuel used) the more fuel consumption...
The hybrid has a lot of torque..
you could put taller tires or shorter tires to change the Final ratio as well...