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arcosine · 02-21-2013, 11:45 AM

If you look at the bsfc map, the road load runs along the 300 contour, so engine efficiency should be nearly constant between 50 and 70 mph. Maybe the torque converter has something to do with it.

02-21-2013, 11:45 AM	#15 (permalink)
arcosine Master Ecomadman Join Date: Nov 2010 Location: Chicago area Posts: 1,156 sc1 - '98 saturn sc1 Team Saturn 90 day: 43.17 mpg (US) Airplane Bike - '11 home built Carp line Tour rans - '97 rans tailwind tractor - '66 International Cub cadet 129 2002 Space Odyssey - '02 Honda Odyssey EX-L 90 day: 28.25 mpg (US) red bug - '00 VW beetle TDI big tractor - '66 ford 3400 red vw - '00 VW new beetle TDI 90 day: 58.42 mpg (US) RV - '88 Winnebago LeSharo 90 day: 16.67 mpg (US) Thanks: 20 Thanked 337 Times in 227 Posts	If you look at the bsfc map, the road load runs along the 300 contour, so engine efficiency should be nearly constant between 50 and 70 mph. Maybe the torque converter has something to do with it. __________________ - Tony