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Multiple, separate problems, starting with smoke at 2500+RPM

GAS engine, transmission and generator repair and maintenance discussion forum.
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Topic author United States of America
Seif911
Captain
Captain
Posts: 233
Joined: April 11th, 2013, 6:46 am
Vessel Info: 1977 Carver Mariner 33'
Location: Sheboygan, WI
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Re: Multiple, separate problems, starting with smoke at 2500

Postby Seif911 » June 28th, 2014, 11:46 pm

Carb 1 is complete. Definitely some varnish in the bottom but I've seen worse. I am not sure this will fix any problems. I did put some JB Weld around the plugs, I didn't check if they leaked. It'd be nice if that was the problem. We'll see.
Thanks,
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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Topic author United States of America
Seif911
Captain
Captain
Posts: 233
Joined: April 11th, 2013, 6:46 am
Vessel Info: 1977 Carver Mariner 33'
Location: Sheboygan, WI
Been thanked: 3 times

Re: Multiple, separate problems, starting with smoke at 2500

Postby Seif911 » September 13th, 2014, 7:33 am

Good Morning All,
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
Thanks,
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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United States of America
waybomb
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Posts: 1963
Joined: February 5th, 2013, 9:24 pm
Vessel Info: 1987 3697 Carver Mariner
1988 Cougar 46 Kevlar Vee offshore
1969 15' Glaspar / 1969 Johnson Electrmatic 85
1964 Barron Flat bottom drag boat
A couple of dinghies
Location: Saint Joseph and Trenton, MI
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Re: Multiple, separate problems, starting with smoke at 2500

Postby waybomb » September 13th, 2014, 11:42 am

How large is your life insurance policy and who's the beneficiary - start there..........

Wow, why would somebody do that? Lucky you did not beocme overwhelmed with CO.
Thanks
Fred
1964 Barron Flatbottom with BBC Chevy
1969 Glaspar Avalon /1969 Johnson Electromatic 85
1987 Carver Mariner
1988 Cougar Kevlar 46' with triple blown 572s
http://s4.beta.photobucket.com/user/waybomb/library/
Past - 1988 2807, 1989 4207 Aft
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Lyndon670
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Volvo TAMD74EDC
Location: Georgian Bay
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Re: Multiple, separate problems, starting with smoke at 2500

Postby Lyndon670 » September 13th, 2014, 11:54 am

Loss of power, dumping frost plugs and mysterious drilled holes?

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.
Lyndon,
2000 Carver 506
FOXY JOE
Volvo 7.4TAMD
Queens Cove Marina
Georgian Bay, Ontario
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Topic author United States of America
Seif911
Captain
Captain
Posts: 233
Joined: April 11th, 2013, 6:46 am
Vessel Info: 1977 Carver Mariner 33'
Location: Sheboygan, WI
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Re: Multiple, separate problems, starting with smoke at 2500

Postby Seif911 » September 13th, 2014, 8:29 pm

Well you guys aren't very positive :). The CO is just mind boggling. I installed a CO detector this year and guess what...it was going off a few times. We just ran with the windows open and all was good...or was it. That will definitely be fixed before we use it again.

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.
Thanks,
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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