Official 390DA Thread

Discussion in 'Sport Yachts/Yachts' started by SHERI BELLE, Apr 23, 2011.

  1. gerryb

    gerryb Active Member TECHNICAL Contributor

    Oct 12, 2006
    Somers Point, NJ
    "On Vacation"
    2006 40 Sundancer
    E120 Radar & Garmin 5208
    QSB5.9 380 Cummins
    +1
     
  2. gerryb

    gerryb Active Member TECHNICAL Contributor

    Oct 12, 2006
    Somers Point, NJ
    "On Vacation"
    2006 40 Sundancer
    E120 Radar & Garmin 5208
    QSB5.9 380 Cummins
    Made one out of sunbrella a few years ago. Highly recommended upgrade. Keeps the cushions clean and prevents them from getting UV damage. Much easier to replace the cover than the cushions. I'll see if I can find a picture.
     
  3. 1997Barracuda

    1997Barracuda Barracuda SILVER Sponsor

    8
    Dec 29, 2017
    Huntington NY
    2005 390 Sundancer Cummins, Ray marine,
    QSB 5.9 Cummins, Onan Gen set
    Thanks guys, that saved some time.!
     
  4. Boatguy49036

    Boatguy49036 New Member

    17
    Nov 4, 2017
    Marblehead , OH
    390 Sundancer 2004
    8.1 Mercruiser
    Hi All, I purchased a 2004 390 last fall. Iā€™m looking to add a cockpit TV. Any thoughts on location and/or size. Looking to mount it on the port side radar arch above the sink or starboard side in the corner behind the helm seat. Thanks
     
  5. Blueone

    Blueone Member SILVER Sponsor

    586
    Jan 24, 2007
    Michigan
    2004 420 Sundancer
    Cummins 6CTA 450's
    I agree... I wasn't going to do it at first but glad I did. Here is a pic, I have seen a few over the rail but I think this looks better

    IMG_7289.JPG
     
  6. Moondance 340

    Moondance 340 New Member

    11
    Aug 1, 2014
    Fair Haven, NY
    2010 390 Sundancer, 8.1 Mercruiser, Raymarine 120 MFD
    2- 8.1L Mercruisers
    This great. Any concern of leaks from the snaps in the deck?
     
  7. Blueone

    Blueone Member SILVER Sponsor

    586
    Jan 24, 2007
    Michigan
    2004 420 Sundancer
    Cummins 6CTA 450's
    Snap locations are original... When I redid the cushion and cover they were replaced and bedded with 4200.... No issues.
     
  8. 1997Barracuda

    1997Barracuda Barracuda SILVER Sponsor

    8
    Dec 29, 2017
    Huntington NY
    2005 390 Sundancer Cummins, Ray marine,
    QSB 5.9 Cummins, Onan Gen set
    Hello again people,
    I'm refinishing the inside wooden steps on my 2005 390DA. Top three steps are easy to remove, can somebody tell me how to remove the bottom step? Looks like it should be storage underneath but doesn't budge. Can't see any fasteners either.
     
  9. Tman

    Tman Member SILVER Sponsor

    248
    Aug 10, 2012
    Seattle, WA
    2014 Sabre 48 Salon Express
    Twin Cummins QSC 550
    Zeus Pod Drives
    That is exactly how to access the 5-6 bolts that secure the bottom step. Check the side of the step down into the rear cabin. There should be a carpet covered door/flap/access hole. In any event, that's where you reach in with a ratchet and can loosen the bolts holding that bottom stair secure.

    Tom
     
  10. 1997Barracuda

    1997Barracuda Barracuda SILVER Sponsor

    8
    Dec 29, 2017
    Huntington NY
    2005 390 Sundancer Cummins, Ray marine,
    QSB 5.9 Cummins, Onan Gen set
    Thanks again Tom, it was 17 degrees when I was down there and I didn't see any kind of opening, but I should find it now. If there's no door I'll be sure to add one.

    Thanks
    WAM
     
  11. Tman

    Tman Member SILVER Sponsor

    248
    Aug 10, 2012
    Seattle, WA
    2014 Sabre 48 Salon Express
    Twin Cummins QSC 550
    Zeus Pod Drives
    It may or may not already be there. Truth be told, I discovered mine accidentally. There was a carpet thread sticking out, I tugged on it and what do you know...a little 6ā€ x 6ā€ flap appeared and I realized that is how to access that step and I believe the lightbulb as well.

    And I replaced my stock refrigerator with a new Isotherm stainless steel one and the only way to get the old one out and new one in....is to remove that bottom stair first.

    Tom
     
  12. see ray

    see ray Member

    189
    Sep 28, 2008
    Sandusky ohio
    LOVE MY BOAT.
    8.1L Mercs
    V Drives
    Hi I'm moving up from a 05 340 DA , WHAT A GREAT BOAT . Fenomimal
    In every aspect of operation, never used the tabs to get on plane.wanting to move to a 390/400 DA
    I'm now looking/ interested in a 04 and up 390/40 DA , GAS !!
    Question, 8.1L 370 hp. VS. 8.1 L HO 420 hp

    How does the boat run/handle Mostly planing ? Speed top end doesn't matter

    I know diesels have more torque, but the maintenance and fuel saving does not apply to me, any thoughts/experiences real life , would be helpful
    My gut say go with the 420 hp only ,( the more hp the better ) but there Seems to be more of 370 hp boats out there then the 420 hp boats
    Thanks Jim
     
  13. Escapade

    Escapade Member

    969
    Jan 10, 2007
    Lake Michigan
    390 Sundancer 2005
    Twin 8.1's
    Jim- We are quite satisfied with our 370 gassers. We have been out several times on a diesel 40. There was a difference. Did I like it yes. Now, a dock neighbor has the 420 and we typically run same RPMs. There may be a variance in hole shot on plane but, nothing we have compared as fiends. Maybe some one with 420's can speak more in favor.
    Mike
     
  14. Pony Racer

    Pony Racer Member

    128
    Aug 13, 2015
    Ct
    2005 Sea Ray 390 Sundancer
    Twin 8.1 S-HO 496's, v-drives
    From someone who tested ALL 3 when purchasing mine just 2 years ago..
    The Diesel and HO.. are nearly identical on on fuel burn, with the diesel edging out slightly on distance about 30 miles per tank..
    the HO's and diesels will cruise comfortably from 18-25knots depending how much fuel you want, they will also hold the boat on plane at 13-15 mph with full tabs..

    the 370hp are too under powered for the "04-05" 390 in my opinion, and struggle to keep the boat on plane while burning more fuel to do the same things 20-22 gallons per engine at 19-20 mph vs 20-22 gallons per engine at 26mph with diesel burning 17-19 gallons at same speed..

    close quarter maneuvering, simple, Diesel (slight edge), HO, 370's in that order

    top end.. i can only tell you mine because i didnt run the others WOT for more than a minute.. where mine i have run it there several times, depending on wind, load current, she tops out between 37-41 mph..

    you are correct there are a ton more 370hp boats out there.. and the 370 pushes the boat fine on calm clear water i found it to be very lazy needing tabs to get up on plane with a moderate load..
    start throwing some rough stuff in there (+5'ers) you will be glad you got the HO's even happier if you got the diesel..

    the search is a tough one, i was VERY lucky to find mine when i did, for what i use it for the fuel burn is negligible when you have the added cost of purchase and maintenance, for me the HO's are perfect for what i do
     
    Ctsearay likes this.
  15. She Captain

    She Captain New Member

    2
    Apr 30, 2017
    Algonac, Michigan
    390 Sundancer 2010 Raymarine E120 GPD
    496 HO Mercruiser w/Bravo III Axsis
    We have the Dinghy Davit Blues
    We are looking for dinghy lift solutions for our 2010 390 Sundancer with a center transom door. We really want to go on our big trip to the Canadian North Channel but we are concerned with fitting the boat with a dinghy and lift. Has anyone out there found the right solution so you can still use the transom door when the dinghy is on the swim platform lift? Not getting much response from any suppliers in the area. We really don't want to put a swim platform extension on the boat. Any and all advice is greatly appreciated.
     
    Last edited: Feb 23, 2018 at 8:09 PM
  16. Phasma

    Phasma Member GOLD Sponsor

    60
    Sep 17, 2016
    Southern Lake Michigan
    2003 360 Sundancer
    8.1s
    Hurley H3 is hands down the best solution I have found
     
  17. juggernaut1

    juggernaut1 Member PLATINUM Sponsor

    623
    Apr 19, 2015
    Perth, Western Australia
    2006 38 Sundancer
    8.1S / ZF 63V Drives
    She Captain, I have a similar boat and due to the centre transom door opening outwards limits your options and I don't think the above Hurley recommendation would work.

    I currently pull my inflatable up out of the water and over the bow rail and tie it down to the sunpad rails and stow the outboard in the port transom locker. I would probably consider the weaver snap davits and stand it up across the back of the boat but this will still require the removal of the outboard. I only carry the inflatable on the boat for our annual summer holidays and the inflatable (Achilles Lex 96) and o/b (Yamaha 2st 8hp) are lightish so not a big deal.
     

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