Fuel Consumption ( The other way around)

[mgbusa]

Hi fellow busa riders. I imagine this is a more hypothetical question about fuel consumption than the usual, so I hope this section is ok. I was just wondering if anybody had done the numbers on how long/far a Busa would go if you were lucky enough to have her run flat chat on a nice straight road. My thoughts were prompted by this youtube clip : http://www.youtube.com/watch?v=LTm8alJ4bFM
which no doubt many of you have seen. Anyway I was just curious if anyone else has had similar thoughts.
Cheers
Mgbusa

PS: check the noise @ 3mins 35sec.