Thread: Fuel consumption / mile 34' 1989 Sundancer w/454's
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L G[_35_] L G[_35_] is offline
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First recorded activity by BoatBanter: Apr 2011
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Default Fuel consumption / mile 34' 1989 Sundancer w/454's
wrote:
Anyone with info on fuel consumption / cruising range for a 1989 34'
Searay Sundancer with twin 454's, closed cooling system? Am
considering purchasing one that's in good condition but am a little
bit concerned with cruising range with 170 gallon tank.
TIA, Tony

A reasonable guess is that you would burn about 35 GPH at your optimal
cruising speed - maybe 20 knots. That would get you a little over 100
statute miles for the $740 you will spend to fill that tank. I would
look for diesels in a boat that size and you could see a gain of 25%, or
more, in fuel economy and spend over 5% less on fuel. Off-road diesel
is currently $4.04/gallon here. Ethanol-free 92 octane gasoline is
$4.35 at the docks.
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