Quote:
Originally Posted by cbaber
tonight I measured out my 50 mile commute home, accounting for elevation changes. It came out to 49.9 miles. My ODO read 47.5 miles. 2.4 miles difference is 5%! If you look at my current highest tank of about 46 MPG and apply the correct miles traveled, it brings it up past 48 MPG!!
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You might go back and correct your earlier entries like Old Mech says. I did not, because I only became aware of the under count my tires were producing after I swapped the transmission. But ever since the swap I have applied a 1.055 multiplier to the stock odometer reading. That's 5.5%, which I confirmed repeatedly using a GPS and ridewithgps.com ... when I get new tires this fall and switch my front wheels to my 13" VX wheels (like the back ones currently are) I will re-calibrate.