Mack_M123 Posted March 5, 2017 Share Posted March 5, 2017 It should take one gallon per mile they say! A massive consumption, how should it work technically, if you screw the carburator (updraft) away and use a tube with a flap and fill the gas directly in it will not take so much. The engine was built between 1927 to 1936 I think and they used it in AC, AP, BG trucks normally in firetrucks and commercial trucks? Anyone an idea if that is true can`t believe that. Had an old Army M62 5ton medium wrecker truck had around 600cui Continental 6cyl. and does not take 1quart per mile, but one gallon? Thanks Matt Quote Link to comment https://www.bigmacktrucks.com/topic/49011-consumption-big-old-707cui-150hp-gas-6-cyl-inline/ Share on other sites More sharing options...
Hobert62 Posted March 8, 2017 Share Posted March 8, 2017 My 2004 chevy pickup with a 496 cubic inch v8 averages around 6 miles per gallon when loaded. And it's 70 years newer and 200 cubic inch smaller. Quote Link to comment https://www.bigmacktrucks.com/topic/49011-consumption-big-old-707cui-150hp-gas-6-cyl-inline/#findComment-363719 Share on other sites More sharing options...
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