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Fuel Consumption
Posted: October 30th, 2018, 5:14 am
by dudeinak
Howdy. Am looking at purchasing a 25' Santa Cruz w/ 5.7L 260 hp Volvo Penta and am wondering what fuel consumption might be at cruise.
Re: Fuel Consumption
Posted: October 30th, 2018, 5:33 am
by Midnightsun
Optimal cruise rpm (on plane) on a 5.7 is around the 3500 rpm mark. With that in mind take a look here to get a good idea of what you will consume.
http://www.boat-fuel-economy.com/volvo- ... us-gallons
Re: Fuel Consumption
Posted: October 30th, 2018, 5:43 am
by dudeinak
Thanks. Boat has been updated with a duoprop outdrive. I wonder how that will affect consumption.
Re: Fuel Consumption
Posted: October 30th, 2018, 8:13 am
by dcrahn
dudeinak wrote:Thanks. Boat has been updated with a duoprop outdrive. I wonder how that will affect consumption.
I had the same engine in my 26ft Monterey and I say had because it had a rod sticking out the oil pan when I bought it, got it real cheap. But, from everything I have read about Duoprop's it will improve fuel consumption. I want to do the same thing when the new engine I built is installed.
Re: Fuel Consumption
Posted: October 30th, 2018, 10:59 pm
by RGrew176
You should notice some improvement with the Duoprop conversion.