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Old 04-06-2020, 02:31 AM   #21 (permalink)
redneck
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Join Date: Jun 2009
Location: SC Lowcountry
Posts: 1,326

Geo XL1 - '94 Geo Metro
Team Metro
Boat tails and more mods
90 day: 72.22 mpg (US)

Big, Bad & Flat - '01 Dodge Ram 3500 SLT
Team Cummins
90 day: 21.13 mpg (US)
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Quote:
Originally Posted by hat_man View Post
Is there a general rule of thumb for better/best FE in certain RPM range?

For my Ranger it's around 2k rpm. That's 55 mph in 5th gear. At 1900 rpm the engine really gets smooth but I can't drive that slow on the highway without causing other drivers to have some "road rage".

I know there are a lot of factors that go into FE. Things like speed, gearing, tire size, etc. And that all vehicles are different. Things like weight, aero, drive train (FWD/RWD/AWD), etc. And where we drive them most often, either in town or on the highway.

So where do YOU get YOUR best mileage?




Yes.

At Zero r.p.m. and coasting...



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