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Fuel log graph
Efficiency log for: Old Yellar - 1979 MGB Tourer Drop-Hood Coupé
  • Lifetime Fuel Economy: 26.4 mpg (US), 8.9 L/100 km, 31.8 mpg (Imp)
  • 90-day Fuel Economy: 25.8 mpg (US), 9.1 L/100 km, 31 mpg (Imp)
  • 3-tank Fuel Economy: 27.8 mpg (US), 8.4 L/100 km, 33.4 mpg (Imp)
  • EPA Combined Rating / % over rating: 21 mpg (US) / 23% (based on 90-day fuel economy)
  • Total fills: 12
  • Average cost per gal/L: $3.42 per gal (US); $0.00 per L (price data entered for 12 fill/s)
  • Average cost per fill: $35.40
  • Average distance cost: $0.13 per mi. / $0.08 per km
  • Total fuel used: 124.16 gal (US), 470 L
  • Total distance traveled: 3282.6 mi. / 5282.8 km
  • Total cost: $424.82
  • Total fuel saved vs. EPA: 32.2 gal. (US) / 121.9 L
  • Total saved: $110.12 (based on avg. cost per gal./L)
  • Average tank distance: 273.6 mi. / 440.2 km
Fill date Distance Fill amount Price Fuel Economy Details
2014-05-19 266 mi
428.09 km
10.298 gal (US)
8.57 gal (Imp)
38.98 L
347.04 kWh
$3.399
($35 total for this fill)
25.83 mpg (US)
31.04 mpg (Imp)
9.11 L/100 km
3.87 gal (US)/100 mi
1304.66 Wh/mi
10% ethanol added and burned
top jar was dry, added MMO[mystery marvel oil]
metering was 2 turns , , it smoked like a freight train , all the good all that mmo in the top is not so bad
reduced to 1/4 turn and no smoke
2013-12-05 287.5 mi
462.69 km
9.712 gal (US)
8.09 gal (Imp)
36.76 L
327.29 kWh
$2.909
($28.25 total for this fill)
29.6 mpg (US)
35.54 mpg (Imp)
7.94 L/100 km
3.38 gal (US)/100 mi
1138.4 Wh/mi
10% ethanol fuel , hot soup in the top oiler
2013-08-14 296 mi
476.37 km
10.5 gal (US)
8.74 gal (Imp)
39.75 L
353.85 kWh
$3.209
($33.69 total for this fill)
28.19 mpg (US)
33.87 mpg (Imp)
8.34 L/100 km
3.55 gal (US)/100 mi
1195.44 Wh/mi
10% ethanol used
methanol 70%, nitro-methane 20% castor oil 10% in top oiler
2013-05-08 313.2 mi
504.05 km
12.6 gal (US)
10.49 gal (Imp)
47.7 L
424.62 kWh
$3.279
($41.32 total for this fill)
24.86 mpg (US)
29.86 mpg (Imp)
9.46 L/100 km
4.02 gal (US)/100 mi
1355.75 Wh/mi
added10% ethanol fuel
fuel consumed in & around town over winter
2012-10-20 252.9 mi
407 km
9.94 gal (US)
8.28 gal (Imp)
37.63 L
334.98 kWh
$3.699
($36.77 total for this fill)
25.44 mpg (US)
30.54 mpg (Imp)
9.25 L/100 km
3.93 gal (US)/100 mi
1324.56 Wh/mi
no ethanol fuel mmo in top oiler
2012-05-25 308 mi
495.68 km
10.057 gal (US)
8.37 gal (Imp)
38.07 L
338.92 kWh
$3.499
($35.19 total for this fill)
30.63 mpg (US)
36.8 mpg (Imp)
7.68 L/100 km
3.27 gal (US)/100 mi
1100.39 Wh/mi
No Ethanol fuel 30 mile runs .MMO in the top oiler @1-2 turns
Compression test cold 1140 miles since *Restore* added
#1 150
#2 140
#3 150
#4 140
2012-02-07 279 mi
449.01 km
11 gal (US)
9.16 gal (Imp)
41.64 L
370.7 kWh
$3.529
($38.82 total for this fill)
25.36 mpg (US)
30.46 mpg (Imp)
9.27 L/100 km
3.94 gal (US)/100 mi
1328.67 Wh/mi
No-Ethanol
2 -30 mile runs balance in-town less than 5 miles OAT @ 40F MMO in the top oiler
2011-12-02 323 mi
519.82 km
11.2 gal (US)
9.33 gal (Imp)
42.4 L
377.44 kWh
$3.299
($36.95 total for this fill)
28.84 mpg (US)
34.62 mpg (Imp)
8.16 L/100 km
3.47 gal (US)/100 mi
1168.54 Wh/mi
No -Ethanol fuel
30 mile runs
MMO in the top oiler
2011-08-08 332 mi
534.3 km
11.6 gal (US)
9.66 gal (Imp)
43.91 L
390.92 kWh
$3.65
($42.34 total for this fill)
28.62 mpg (US)
34.37 mpg (Imp)
8.22 L/100 km
3.49 gal (US)/100 mi
1177.47 Wh/mi
Heritage fuel no-ethanol 3980 odo
oil pressure hot: idle 2 kg/cm and a needle width
speed 4 kg/cm and a needle width
2011-07-11 86 mi
138.4 km
4.25 gal (US)
3.54 gal (Imp)
16.09 L
143.23 kWh
$3.499
($14.87 total for this fill)
20.24 mpg (US)
24.29 mpg (Imp)
11.63 L/100 km
4.94 gal (US)/100 mi
1665.47 Wh/mi
no ethanol fuel added
when checked timing was 60 BTDC
Set Ing Timing to 20 degrees BTDC..
compression check 10 july 140/120/140/110
oil pressure hot idle 2 kg/cm speed 4 kgcm
Restore Product added @ 3800 odo
2011-07-03 239 mi
384.63 km
12 gal (US)
9.99 gal (Imp)
45.42 L
404.4 kWh
$3.429
($41.15 total for this fill)
19.92 mpg (US)
23.92 mpg (Imp)
11.81 L/100 km
5.02 gal (US)/100 mi
1692.05 Wh/mi
additives
1/4 turn drip 70 M /10 castor /20 NM
mixed driving -no top
adjustments:
advanced ignition 1/4 turn leaned mix 1/4 turn
changed thermostat from 160 to 195
2011-06-02 300 mi
482.8 km
11 gal (US)
9.16 gal (Imp)
41.64 L
370.7 kWh
$3.679
($40.47 total for this fill)
27.27 mpg (US)
32.75 mpg (Imp)
8.62 L/100 km
3.67 gal (US)/100 mi
1235.67 Wh/mi
base line initial fueling
mileage and fuel used estimated from records
top injector w/ 20% NM 80% methanol /castor oil

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


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