Where is the cummins rpm sweet spot?
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January 27th, 2010, 07:26 AM
It curves to the left...
Join Date: 11-07-07
Location: Rochester, MI and BFE, IA
My 95 with 3.55 gears gets around 17 mpg if i can keep it around 1800-1900 rpms
thats doing 70-75 mph. pulling at the same rpms i have seen 13-14 mpg
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