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Soot on transom and dinghy
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Topic author - Scurvy Dog
- Posts: 3
- Joined: August 4th, 2014, 11:21 am
- Vessel Info: Carver 440 1996
Soot on transom and dinghy
I am having a major problem with soot mainly all over my dinghy as well as the transom of the boat. I have the Cummins diesel package of 475 hp engines. The exhaust has tips on it that discharge the exhaust to the side of the boat just ahead of the swim platform. My engines only have 830 hours on them and I am wondering what is causing all this soot. I typically run the boat around 9 knots and step it up now and then. The engines are running perfectly and I've tried additives and the like with no success. I am thinking of exhaust extensions to the back of the swim platform to see if this would help.
Has anyone else had this type of problem?
Thanks for any insight you could provide.
Regards,
Peter
Carver 440
- kkochner
- Scurvy Dog
- Posts: 25
- Joined: August 4th, 2014, 10:39 pm
- Vessel Info: 1998 Carver 530 Voyager Pilothouse
- Been thanked: 1 time
Re: Soot on transom and dinghy
Volvo D-12 Diesel Engines
Port of Tulsa OK
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- Scurvy Dog
- Posts: 7
- Joined: December 9th, 2013, 11:51 pm
- Vessel Info: 2001 Carver 466 MY
- Been thanked: 1 time
Re: Soot on transom and dinghy
- geauxcruise
- Scurvy Dog
- Posts: 2
- Joined: June 18th, 2017, 11:56 pm
- Vessel Info: 2002 CARVER 530 Voyager PilotHouse
Re: Soot on transom and dinghy
I have a new to me 2002 Carver 530 that has done it one time and one time only. The only thing I can attribute it to was an extended period of idling speeds and then stepped it up to only about 1650 rpms for about an hour or so. I "think" it has something to do with the idle speed building up soot, and then when I went to 1650 rpms, it was not enough for the turbos to clean it all out. Ever since it happened the one time, from any time period of idling, if I want to open it up for a while, i go to 1850 rpms. Have had no more issues with soot since dong that.
Would love to hear back from you guys or anyone else who can comment.
P.S. First time to post on this forum. Have learned a lot form a lot of reading on here. Love it.
- mjk1040
- Admiral
- Posts: 1474
- Joined: July 30th, 2015, 8:15 am
- Vessel Info: 1998 355 AC/MY "Deja Vu"
- Location: Savannah, NY
- Has thanked: 9 times
- Been thanked: 219 times
Re: Soot on transom and dinghy

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