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Old 05-02-2013, 06:03 PM   #38 (permalink)
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Join Date: Apr 2012
Location: chicago
Posts: 67

Milano Red VX - '92 Honda Civic VX
Team Honda
90 day: 50.15 mpg (US)
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Was that for speed or distance and after what distance? Do you get decimal on your GPS for speed like xx.xx? We'll get that right my friend.

Yeah first we needed that VSSP/M correct first. I think it's 8094 but i will test on way back now. Difference between 8094 and 8099 will be small anyway.

Now we can do FE calibration for MPG. If above parameter is incorrect like speed and distance then FE will be bad too so now we can do second one. For MPGs we will have to figure out usec/gal ...this number 0258562433...
BTW i would think do not adjust 2.5% for tire size when doing ODO from your ODO analog in car. Just use ODO and GUINO numbers. We will then get correct value as we'll offset the error. GPS total distance would be best with guino numbers. Not sure how to do that besides buying car GPS? Any idea?

Equation to correct us per galon/litre is similar to that for VSS.

us per galon from guino settings * (MPG from the guino / MPG from the pump) = correct us per galon

MPG from the pump = 62MPG
MPG from guino = 58MPG
us per galon = 8932000 us

8932000 * ( 58 / 62) = 8355742

Last edited by stewie; 05-02-2013 at 07:08 PM..
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