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Engine change out ballast problem
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Topic author - Scurvy Dog
- Posts: 1
- Joined: January 4th, 2016, 5:02 am
- Vessel Info: 1987 Carver Mariner 36' Diesel conversion to Detroit diesel 4-53 140hp
- Location: Palm Coast
Engine change out ballast problem
My questions is the rebuilt Detroit's are a lot heaver the the gas engines and it sets very heavy to the Stearn. The bow sets pretty high from what it should be. I am guessing about about a 12 to 15" to where the water line should be. When I try to get the boat up on plane the tabs are all the way on for bow down and the bow just keeps on rising and the Stearn just digs a hole.
I am pretty sure I need to add ballast to the bow but I don't know how much to add and do I need to increase the size of the trim tabs?
I am hoping that some of you old salts can help me with this issue.
Thanks
Dave
Palm Coast Fl.
- bud37
- Admiral
- Posts: 4676
- Joined: April 23rd, 2015, 10:22 pm
- Has thanked: 547 times
- Been thanked: 1142 times
Re: Engine change out ballast problem
- nightsky
- Deck Hand
- Posts: 67
- Joined: June 25th, 2016, 10:13 pm
- Vessel Info: '94 Carver 390 cpmy
- Location: Comox, BC
- Has thanked: 6 times
- Been thanked: 16 times
Re: Engine change out ballast problem
- mjk1040
- Admiral
- Posts: 1506
- Joined: July 30th, 2015, 8:15 am
- Vessel Info: 1998 355 AC/MY "Deja Vu"
- Location: Savannah, NY
- Has thanked: 9 times
- Been thanked: 236 times
Re: Engine change out ballast problem
I'd Rather Be Boating!
1989 Sea Ray Seville
1986 Carver Mariner 32'
1990's Thompson 22' Cuddy Cabin
1990's 4Winns 245 Vista Cruiser
1980's Thompson 19' Open Bow
- waybomb
- CYO Moderator
- Posts: 2404
- Joined: February 5th, 2013, 9:24 pm
- Vessel Info: 1995 Boston Whaler Rage15
1987 3697 Carver Mariner
1988 Cougar 46 Kevlar Vee offshore
1969 15' Glasspar / 1967 Johnson Electromatic 85
1996 Boston Whaler Rage 15 - Location: Saint Joseph,Mi
- Has thanked: 50 times
- Been thanked: 396 times
Re: Engine change out ballast problem
On my boat, with full fuel on the 3 tanks and us sitting in back, about half of the stainless exhaust pieces are under water.
How low does yours sit?
Fred
1969 Glaspar Avalon /1969 Johnson Electromatic 85
1987 Carver Mariner
1988 Cougar Kevlar 46' with triple blown 572 ci
1995 Boston Whaler Rage
Past - 1988 2807, 1989 4207 Aft
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