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Old 02-12-2012, 09:21 PM   #8 (permalink)
slowmover
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Join Date: Oct 2009
Location: Fort Worth, Texas
Posts: 2,442

2004 CTD - '04 DODGE RAM 2500 SLT
Team Cummins
90 day: 19.36 mpg (US)
Thanks: 1,422
Thanked 737 Times in 557 Posts
Gear choice tells me what rpm range I'll be working in (diesels have a very short range). The upper speed limit tells me the do not exceed. As an easy rule of thumb I chose 5-mph under that limit to be the top cruise speed.

And the trick has been to accelerate to 5-mph under that. In a 40-mph zone I'll be runnning 35, so acceleration tapers off as I near 30-mph . . . from there I'll drift on up if when it's a good choice. I may never actually reach 35-mph. And so much the better that others flow around me that I may glide towards and through the next stoplight. No lane changes, no extraneous steering input, etc.

For me, all else proceeds from this.

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