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You want High Speed? Go back to 1935.
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Up829 I recall from my trucking days that acceleration costs time and money. <br /> <br />In the early 90's I was handed a Cummins 350 Big Cam 4 equippted truck and told to go from PA to Ohio. I spend much time working the gears trying to keep the truck at the speed limit on all of these little grades. <br /> <br />6 years ago I traveled the same road which included the 7 Mountains in a Detroit 460 backed by a Auto shift. The torque rating was pretty similar at 1350 pounds feet but the horse power between 350 and 460 was significant. <br /> <br />I did not "work" the gears anywhere near as much with the newer truck. Nor did I have to spend time accelerating back to posted speed limits on the grades. I cut something like 1 1/2 hours off that run. <br /> <br />I support power that backs speed rather than acceleration. Being able to climb 7 mountains in the newer truck at about 38 mph instead of 22 in the older truck made alot of difference. <br /> <br />Acceleration is costly, but being able to put power on the rail to maintain speed or climb grades fast is much more useful.
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