Quote:
Originally Posted by MetroMPG
I've had the SG2 set at +8.0% gallons for a while, but my fill today was way off: 7.83 gal actual vs. 8.82 shown on the SG. That's 12.6% high, which suggests I actually need a *negative* offset to be accurate. |
The 12.6% error just means you have to lower the 8% a little, not that you have to subtract 12.6 percentage points. According to some simple math 7% should be right on if your fillup was accurate. 7% is actually what I have been using (I reported 5% earlier) and it has been pretty close.