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Multiple, separate problems, starting with smoke at 2500+RPM
- Seif911
- Captain
- Posts: 233
- Joined: April 11th, 2013, 6:46 am
- Vessel Info: 1977 Carver Mariner 33'
- Location: Sheboygan, WI
- Been thanked: 4 times
Re: Multiple, separate problems, starting with smoke at 2500
Steve
22' Godfrey Hurricane Fun Deck, Fiberglass hull, 175 HP, Deck boat
24' Chrysler Cruiseliner III (Lonestar), 120 HP, Aluminum Hull, Cabin, 1968
33' Carver Mariner, fiberglass hull, 520 HP, Yacht, 1977
- Seif911
- Captain
- Posts: 233
- Joined: April 11th, 2013, 6:46 am
- Vessel Info: 1977 Carver Mariner 33'
- Location: Sheboygan, WI
- Been thanked: 4 times
Re: Multiple, separate problems, starting with smoke at 2500
So I rebuilt both carbs. I replaced the points. I set the idle, to specs that now I can not even feel when I put it in gear. I then set the timing. Still can't figure the steam problem out but...
I blew another freeze plug out. This is the third one. I am thinking, what the heck is the problem? So I pull the muffler off, looked good. I then pulled the riser off of the exhaust manifolds...uh oh.
I found the passage ways were plugged with rust. The logs were plugged where they meet the risers. I cleaned that out and the steam is much better but still pretty thick. I no longer smell fumes.
I did find 1 riser had a drilled hole into the air passage. What in the world? Yes, it was dumping exhaust fumes into the hold, not cool. I'll plug it soon and then continue on my search for the problem.
Any other ideas out there?
Thanks,
Steve
Steve
22' Godfrey Hurricane Fun Deck, Fiberglass hull, 175 HP, Deck boat
24' Chrysler Cruiseliner III (Lonestar), 120 HP, Aluminum Hull, Cabin, 1968
33' Carver Mariner, fiberglass hull, 520 HP, Yacht, 1977
- waybomb
- CYO Moderator
- Posts: 2517
- 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 - Location: Saint Joseph,Mi
- Has thanked: 53 times
- Been thanked: 436 times
Re: Multiple, separate problems, starting with smoke at 2500
Wow, why would somebody do that? Lucky you did not beocme overwhelmed with CO.
Fred
1969 Glaspar Avalon /1967 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
- Lyndon670
- Admiral
- Posts: 657
- Joined: July 29th, 2013, 11:35 pm
- Vessel Info: 2000 Carver 506
Volvo TAMD74EDC - Location: Georgian Bay
- Has thanked: 124 times
- Been thanked: 140 times
Re: Multiple, separate problems, starting with smoke at 2500
My bet - cracked block. Could virtually be invisible when cold and visible at temp. I saw this once before, and the repair was a hole drilled in front of the crack to stop the cracks progress, and then repaired with JB.
2000 Carver 506
FOXY JOE
Volvo 7.4TAMD
Queens Cove Marina
Georgian Bay, Ontario
- Seif911
- Captain
- Posts: 233
- Joined: April 11th, 2013, 6:46 am
- Vessel Info: 1977 Carver Mariner 33'
- Location: Sheboygan, WI
- Been thanked: 4 times
Re: Multiple, separate problems, starting with smoke at 2500

The smoke out the back is now just pure steam. It is not as bad, just not sure what else to look for. I suspect with all that rust that maybe I have some holes in the exhaust manifold, though there were no signs at all that this was the case. Uggg....what to do.
Steve
22' Godfrey Hurricane Fun Deck, Fiberglass hull, 175 HP, Deck boat
24' Chrysler Cruiseliner III (Lonestar), 120 HP, Aluminum Hull, Cabin, 1968
33' Carver Mariner, fiberglass hull, 520 HP, Yacht, 1977
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