RE: 2C VS. 4C, Fuel consumption
You will find that a 4C will typically burn less fuel (Cu.In-vs-Cu.in). For any given
rpm...the engine (4C) is firing half as often!
Take your cues from the trans-atlantic flight recently accomplished. An old OS 4C,
propped way down and fed a different fuel made quite a trip...
You're on the right track....
Good Luck.
'Race