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Fuel log graph
Efficiency log for: Little Black Truck - 1987 Dodge D50 / Ram 50 Base
  • Lifetime Fuel Economy: 17.3 mpg (US), 13.6 L/100 km, 20.8 mpg (Imp)
  • 90-day Fuel Economy: 17.3 mpg (US), 13.6 L/100 km, 20.8 mpg (Imp)
  • 3-tank Fuel Economy: 18.8 mpg (US), 12.5 L/100 km, 22.5 mpg (Imp)
  • EPA Combined Rating / % over rating: 20 mpg (US) / -13.4% (based on 90-day fuel economy)
  • Total fills: 5
  • Average cost per gal/L: $3.13 per gal (US); $0.00 per L (price data entered for 5 fill/s)
  • Average cost per fill: $28.61
  • Average distance cost: $0.18 per mi. / $0.11 per km
  • Total fuel used: 45.69 gal (US), 172.9 L
  • Total distance traveled: 791.3 mi. / 1273.5 km
  • Total cost: $143.03
  • Total fuel saved vs. EPA: -6.1 gal. (US) / -23.1 L
  • Total saved: $-19.09 (based on avg. cost per gal./L)
  • Average tank distance: 158.3 mi. / 254.7 km
Fill date Distance Fill amount Price Fuel Economy Details
2013-01-07 163.1 mi
262.48 km
8.346 gal (US)
6.95 gal (Imp)
31.59 L
281.26 kWh
$3.119
($26.03 total for this fill)
19.54 mpg (US)
23.47 mpg (Imp)
12.04 L/100 km
5.12 gal (US)/100 mi
1724.46 Wh/mi
Truck is finally aligned, and lowered. I still need to get the two new tires on the rear, and do nitrogen and double check pressure all the way around.
2012-12-05 202 mi
325.09 km
10.754 gal (US)
8.95 gal (Imp)
40.71 L
362.41 kWh
$3.069
($33 total for this fill)
18.78 mpg (US)
22.57 mpg (Imp)
12.52 L/100 km
5.32 gal (US)/100 mi
1794.11 Wh/mi
Missed a couple logs inbetween.
Daily driving so far. Colder weather. Still have not found time to tune on carburetor. Added low restriction straight through muffler.
2012-11-21 125.1 mi
201.33 km
7.049 gal (US)
5.87 gal (Imp)
26.68 L
237.55 kWh
$2.979
($21 total for this fill)
17.75 mpg (US)
21.31 mpg (Imp)
13.25 L/100 km
5.63 gal (US)/100 mi
1898.88 Wh/mi
Daily driver duty, 85% highway.
Added straight through muffler late in this tank, muffler might be too big for truck, to be determined.
Highway driving goal is to stay under 65mph, but this tank was more aggressive then needed. Time to work on adjusting driving style, and research on how to tune Weber carburetors.
2012-11-14 150.8 mi
242.69 km
8.286 gal (US)
6.9 gal (Imp)
31.37 L
279.24 kWh
$3.259
($27 total for this fill)
18.2 mpg (US)
21.86 mpg (Imp)
12.93 L/100 km
5.49 gal (US)/100 mi
1851.72 Wh/mi
First fill up in what I consider to be basic running condition:
recent tune up: plugs, wires, cap, rotor, fuel filter.
New maintenance parts:
Fuel pump, Weber carburetor, brake calipers, brake rotors, brake pads, brake hoses, and new tires.
2012-11-11 150.3 mi
241.88 km
11.252 gal (US)
9.37 gal (Imp)
42.59 L
379.19 kWh
$3.199
($36 total for this fill)
13.36 mpg (US)
16.04 mpg (Imp)
17.61 L/100 km
7.49 gal (US)/100 mi
2522.89 Wh/mi
Perfect illustration of making sure the mechanicals of the vehicle are addressed. Despite fresh tune up, etc this tank was hampered by bad brakes. Front brakes were dragging to a point of being unsafe on the road, smoking, and causing insane dragging.

View: spreadsheet friendly fuel log output (for copy/paste)


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