Oh i do intend to calibrate it according to those instructions, it's just that i was out installing it today and needed reasonable starting values.
I ended up dividing that value by six and getting reasonable consumption figures - 2.1L/h immediately after start and sinking to 1.6L/h after a few seconds.
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Remember, even if you win the rat race - you're still a rat.
2010: 454.92L for 5313.90km => 8.56L/100km (27.5MPG US) (5 months)
2011: 606.11L for 7754.04km => 7.82L/100km (30.1MPG US) (Full year)
2012: 170.10L for 2405.00km => 7.07L/100km (33.3MPG US) (In progress)