Forum Discussion
4x4ord
Oct 13, 2014Explorer III
Turtle n Peeps wrote:
Fuel quantity kills off the economy. To add power you need to add fuel. So if you use that power you will use more fuel. IOW's a 200 HP diesel will use about twice the fuel as a 100 HP diesel. So if you only had 375 HP and use all that power to pull a hill at 40 MPH and then you add a tuner to give you 450 HP and you now go up the same hill at 55 MPH you will use a LOT more fuel. You have to because you just added 75 HP worth of fuel.
If you can get up the hill in 65 seconds using 450 hp instead of 90 seconds using 375 hp. The higher horsepower engine would almost certainly be saving you fuel going up the hill.
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