RandomFact314 -
Quote:
Originally Posted by RandomFact314
I have a gps but I already have gotten rid of those tires
|
Hrmmmmm, I apologize for not reading more closely. Even with the tires you have on now, I think you should do an odometer correction test to see if your odo is accurate.
If I were you I would :
1 - Do the GPS odometer correction test on your current setup. Let's say for the point of example that your odometer is incorrect by -1% in your disfavor.
2 - Instead of +10%, make it +9% to be "conservative" in your estimate (because you can't prove it with test data). My wife's GPS shows greater than 2.5%, but I only give myself a 2% credit. I do this to insure that my claimed benefits are well within the range of error.
3 - +9% + -1% = +8% Correction.
4 - Go over your fuel logs and add the data in. I put tons of info my "details" section of my fuel log :
Quote:
|
Ignore high/low MPG, only look at AVERAGE MPG (Chevron;91 Octane;#1). 181168 miles on odometer. Tires are larger, so odometer is reading 2% less, hence +2% correction: 248.7 * 1.02 = 253.674
|
But that's just me. YYMV.
(Your "You" May Vary)
CarloSW2