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Old 10-16-2010, 10:13 AM   #1 (permalink)
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4ringcircus's Avatar
Join Date: Oct 2010
Location: Minneapolis
Posts: 31

Ford Ranger - '97 Ford Ranger XLT 4x4
90 day: 21.28 mpg (US)
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DWL at 3k+ rpm = higher vacuum?

Just installed my first vacuum gauge and am so amazed after my test drive, I simply must post a question. If I try to stay above 15 pounds of vacuum while DWL (), my truck does a better job maintaining speed or even accelerating in 3rd or 4th gear at 3000 to 4000 rpm rather than 5th gear at a lower RPM. Really??? Ten or more continuous seconds of 3rd gear-4000rpm on the highway is getting me better MPG than 2000 rpm of DWL in 5th?

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