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Horsepower and Torque


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Here is an interesting article I ran across about the development of "downspeeding" in the post 2010 engines.  Interesting read.


2001 Freightliner FL70, Cat 3126b 300hp, 860 lb/ft, 6 speed manual Eaton/Fuller

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What’s old is new again. Went through this back in the early ‘90s with the family fleet. We were still running direct drive transmissions because you could net a bit more fuel economy. But driveshaft problems started showing up with faster rear ratios. Finally gave In and went to overdrives, which also had the benefit of slowing down reverse.

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