290 Fuel consumption + fuel flow meters

Discussion in 'General Discussion' started by Ralph vaughn, Jul 1, 2020.

  1. Ralph vaughn

    Ralph vaughn Member

    138
    Nov 14, 2018
    Atlanta Ga
    2008 Sea Ray 290
    Raymarine Radar and GPs
    5.0 Sea Core engines and Sea Core Bravo III outdrives
    I’ve had my 2008 Sea Ray 290 5 months Now but have no idea what my fuel consumption is for the boat. Went to www.boat-fuel-economy.com and it listed 15 gph for 300hp engine. Does anyone have most efficient cruise rpm and gph.

    also is anyone using a fuel flow system and what is the installation difficulty?

    thanks for your replies.

    Ralph
     
  2. techmitch

    techmitch Well-Known Member GOLD Sponsor

    May 1, 2008
    Chesapeake Bay, Middle River/Frog Mortar Creek MD.
    1999 270 DA
    Twin 4.3s W/Alpa I Gen II's
    Chris-380 likes this.
  3. Ralph vaughn

    Ralph vaughn Member

    138
    Nov 14, 2018
    Atlanta Ga
    2008 Sea Ray 290
    Raymarine Radar and GPs
    5.0 Sea Core engines and Sea Core Bravo III outdrives
    thanks Mitch just downloaded the app.

    ralph
     
  4. Lazy Daze

    Lazy Daze Well-Known Member TECHNICAL Contributor

    Apr 21, 2009
    PA
    Various
    Various
    Ralph, you should have Smartcraft gauges or a standalone SC system view? If you cycle through the various pages, there should be a real-time GPH readout. Roughly speaking, small blocks tend to be most efficient on plane around the mid-3000 range.
     
  5. Ralph vaughn

    Ralph vaughn Member

    138
    Nov 14, 2018
    Atlanta Ga
    2008 Sea Ray 290
    Raymarine Radar and GPs
    5.0 Sea Core engines and Sea Core Bravo III outdrives
    Thanks Dennis. I will look for it.

    Ralph.
     

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