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JRMichler · 09-27-2011, 08:21 PM

I added some construction photos of the topper to my profile:

http://ecomodder.com/forum/member-jr...ly-driver.html

I did a short speed run last summer at 65 MPH. Mileage dropped from 32-33 MPG to 28-29 MPG. That was the end of that test.

Finally have the summer 2011 average gas mileage with the aero topper - 34.87 MPG. That's for a total of 3771.0 miles and 108.16 gallons of gas.

Overall summary of improvements to date:

Baseline - driving "normal" - before winter 2007:
Winter: 21 MPG
Summer: 27 MPG

Dec 07 thru Summer 08 - DWL, new tires, 47 PSI
Winter: 23.24 MPG
Summer: 29.70 MPG

Dec 08 thru Summer 09 - kill switch
Winter: 24.68 MPG
Summer: 32.14 MPG

Dec 09 thru Summer 10 - Grille block
Winter: 26.78 MPG
Summer: 33.80 MPG

Dec 10 thru Summer 11 - Aero topper replaced Leer topper
Winter: 28.11 MPG
Summer: 34.87 MPG

Summer mileage is for 3 months in summer, winter mileage is for December through February.

09-27-2011, 08:21 PM	#13 (permalink)
JRMichler Master EcoModder Join Date: Feb 2011 Location: Phillips, WI Posts: 1,018 Nameless - '06 GMC Canyon 90 day: 37.45 mpg (US) 22 Maverick - '22 Ford Maverick XL 90 day: 43.95 mpg (US) Thanks: 192 Thanked 467 Times in 287 Posts	I added some construction photos of the topper to my profile: http://ecomodder.com/forum/member-jr...ly-driver.html I did a short speed run last summer at 65 MPH. Mileage dropped from 32-33 MPG to 28-29 MPG. That was the end of that test. Finally have the summer 2011 average gas mileage with the aero topper - 34.87 MPG. That's for a total of 3771.0 miles and 108.16 gallons of gas. Overall summary of improvements to date: Baseline - driving "normal" - before winter 2007: Winter: 21 MPG Summer: 27 MPG Dec 07 thru Summer 08 - DWL, new tires, 47 PSI Winter: 23.24 MPG Summer: 29.70 MPG Dec 08 thru Summer 09 - kill switch Winter: 24.68 MPG Summer: 32.14 MPG Dec 09 thru Summer 10 - Grille block Winter: 26.78 MPG Summer: 33.80 MPG Dec 10 thru Summer 11 - Aero topper replaced Leer topper Winter: 28.11 MPG Summer: 34.87 MPG Summer mileage is for 3 months in summer, winter mileage is for December through February.