Posted by farmer boy on February 17, 2008 at 13:20:27 from (216.129.11.25):
In Reply to: Mileage posted by Bob on February 17, 2008 at 12:06:53:
That's part of the problem. They really should allow the little engines that get 50mpg on the market but they obviously don't measure efficency that way. Lets take a GM 6.2 litre diesel and the Duramax. Lets say the newest Duramax produces 360HP and gets 10mpg. Now take the 6.2 that produces 145HP and gets 20 MPG. Which one is more efficent? Simple math will tell you that the newer engine is more efficent. If they were to be the same efficency the 6.2 litre would have to produce 180 HP or the 6.6 litre would have to produce 290HP. Now lets do this in torque. The 6.2 litre has 257 ft.lbs of torque and the 6.6 has 660 ft.lbs of torque. Once again the bigger engine is more efficent.
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