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Old 03-31-2010, 01:25 AM   #9 (permalink)
ECONORAM
halos.com
 
Join Date: Oct 2009
Location: Oklahoma City, OK
Posts: 528

ECONORAM - '07 Dodge RAM 1500 QC SLT flex-fuel
90 day: 18.16 mpg (US)

the Avenger - '08 Dodge Avenger SXT
90 day: 27.06 mpg (US)
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Thanks dcb, I did not think of it like that. If I read the gal/hr and divide it into mph, I'll get mpg! If I can do the math that fast.
I am thinking about mounting some sort of optical sensor to read the driveshaft rotations. I might try a small variation on this: http://www.punkjob.com/OpticalIFs.pdf Not ideal, but I think with the right positioning it might work. If I can shoot the light beam to get interrupted by the yoke turning right behind the transmission...
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