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Old 10-26-2013, 10:47 PM   #16 (permalink)
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Originally Posted by Sporty Modder View Post
That is believable, I got 17/23 out of my loaded Lincoln Town car, similar size/weight/horsepower, and 0mods. these big american cars tend to idle down the highway, 1500rpms is considered normal 1300 is a comfortable cruise, 2.56 rear end gears is pretty common esp in the older cars w/o overdrive.
What year vehicle?

Driven at what speeds?

Maybe in Montana, driving at a sustained 50 MPH for several hours, with no traffic?