Change Differential Gears to new Ratio?
Has anyone changed the differential gears in their MH to a different ratio? Our 1999 Brave is geared way too low for how we use it and my thought was that I'd get better mileage with a higher ratio. ...
Forum Discussion
Jagtech wrote:
Lower engine speed equals larger throttle opening, which effectively negates any fuel savings.
on edit, I should have been more clear here. Given the same load, the same road speed, the same fuel, wind, etc, a gear change producing a significantly lower engine rpm speed would require a wider throttle opening in order to overcome the increased engine load. Thus higher fuel consumption.... UNLESS the rpm drop puts your rig into a higher power range of engine speed. All engines have an optimal rpm range, and MOST manufacturers will take that into consideration when building a chassis. That's what you want to see at cruising speed if you are considering a gear change.
