280 EC planing/cruising RPM's and speed

jme097jme097 Member Posts: 1,224 ✭✭✭
in Rinker Express Cruisers Forum
so I am planning around 4,000-4,400 RPM's and cruising between 24-27 mph (dependent on a couple factors of course). Just curious as to what other guys are getting with their 280's. Got a 2007 by the way with the 6.2 bravo III
Boat Name: Knot A Worry
2007 280 Rinker Express 6.2L B3
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  • YWAITYWAIT Member Posts: 6 ✭
    On the gauge or GPS?  My 280 with the 8.1 runs closer to 35 at 4200rpm. Rpm tops out around 4650 @ 42mph where should it top out at?

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  • Michael TMichael T Member Posts: 7,227 ✭✭✭✭✭
    YWAIT, imo your numbers sound good. if your speed of 42mph at 4600rpm is gps authenticated you are doing well. With a 496 cu" engine you will get huge bottom end torque that will wrestle your boat onto plane faster and hold it there at lower rpms and generate a higher top end that a 377 cu".
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  • jme097jme097 Member Posts: 1,224 ✭✭✭
    Did Rinker make this boat with twins? Or just the single 6.2 and 8.1?  The only thing I miss about my 258 Vista is that the Penta used to get it on plane in a heartbeat and cruise at 3,000-3,200 RPM's. But I knew what I was doing when I was going to something bigger. Haha.
    Boat Name: Knot A Worry
    2007 280 Rinker Express 6.2L B3
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  • YWAITYWAIT Member Posts: 6 ✭
    42 on my Garmin Montana out of my Commander. Shows 46 on the dash. That is prime conditions with no excess weight.  I do find it slow coming up on plane if I add another cooler and a couple more passengers.
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  • The Main ExchangeThe Main Exchange Member Posts: 280 ✭✭✭
    Jme097, I'm running similar numbers, occasionally hit 45mph on the GPS depends on tides, boat load etc..  

    2007 300 EC, 350 Mags, B3's, Table Rock Lake, MO

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