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Old 06-05-2009, 07:54 AM
mrphdvr mrphdvr is offline
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Join Date: May 2009
Posts: 25
Default More to it than the engine

Even back on Gen Edge, a lot of people asked questions about fuel mileage and the most common answer (just like here) is that it depends on the engine. That's just not the whole truth. There are many factors invovled in how each vehicle gets that magic number. The engine is the starting point but then you also have to factor the Tranny, then comes you final drive gear (differential) and there is also tire size. Also you have minor factors such as intakes and air filters as well as spark plugs and aftermarket engine upgrades. Of course the most important factor is how heavy your foot is.

My edge has the 3.0 with a 3.73 rear diff and the bigger 15 inch rims with 235/75r15 tires. As I have posted I average 20 miles per gallon. I got that before I put in the K&N and iridium plugs and I still get that. If I were to run 3.27 or 3.55 gears in the back then my RPMs would drop across all the gears and improve my mileage, of course I would loose torque and consequently power. It would be more like driving a car then. If I were to put in 4.10 gears like many of the 4 liters then my RPMs would go up as well as the torque, which would cause my mileage to go down.

I know this is a little long but if I knew now what I knew then I might have bought a different truck or maybe not. I have been very pleased with my EDGE and will drive it until the wheels fall off, or I find a really good deal on an El Camino.
02 EDGE; 3 liter V-6; Homemade Bucket Seats; Explorer Center Console; 120,000 + miles

"I once was obsessed with a clean windshield, now I just pray for rain."
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