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Survey result - question Cummins 370 Turbo Charger
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- Deck Hand
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Survey result - question Cummins 370 Turbo Charger
Boat is in really good shape cosmetically, mechanically and electrically wte of a lot of blistering below the water line (time and $ consuming, but nothing that points to a disaster).
The only real problem noted in the survey that I'm concerned about is the turbo chargers on both engines. Both showed excessive rust and corrosion during the pre-underway survey, and during sea trials we couldn't bring the engines above 1800 RPM, so the turbo chargers never kicked in. The surveyor and I figured the turbos were frozen shut and passed that info on to the seller as a 'must fix' followed by a re-survey.
Seller's broker came back after having her engine guy look at it and said turbos are not frozen, but (and forgive the wording here, I didn't take the call and am working off the notes my wife took and her recollection of the conversation) that the pitch of the props are wrong and that's why the turbos never got a chance to kick in. They said they'd haul out, 'fix the pitch', (I can only assume they mean change props) and be ready for re-survey soon.
Ok, now we're not talking about a destroyer with veritable pitch propellers here, and I suppose it could be as simple as changing to a correctly pitched propeller for the engine.
Stbd and port turbos
Prop, probably doesn't help, but only one I had
Thoughts? - Thanks in advance
- Midnightsun
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Re: Survey result - question Cummins 370 Turbo Charger
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- Deck Hand
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Re: Survey result - question Cummins 370 Turbo Charger
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- CYO Supporter
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Suspicious Fishes !
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Re: Survey result - question Cummins 370 Turbo Charger
Best of luck.
Tom
- bud37
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Re: Survey result - question Cummins 370 Turbo Charger
- waybomb
- CYO Moderator
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- Vessel Info: 1995 Boston Whaler Rage15
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Re: Survey result - question Cummins 370 Turbo Charger
I'd rather pay a mechanic a few hundred dollars now than a few thousand after you close and find out both turbos are locked up
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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- Deck Hand
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Re: Survey result - question Cummins 370 Turbo Charger
- mjk1040
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Re: Survey result - question Cummins 370 Turbo Charger
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
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1987 3697 Carver Mariner
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1969 15' Glasspar / 1967 Johnson Electromatic 85
1996 Boston Whaler Rage 15 - Location: Saint Joseph,Mi
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Re: Survey result - question Cummins 370 Turbo Charger
If those props are stamped with the correct pitch/diameter, the same as Carver put on originally, I'd be thinking a much bigger mechanical issue is at hand.
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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Re: Survey result - question Cummins 370 Turbo Charger
Have the fuel filters been serviced? Are the bowls clear or do they look like a science experiment? If they're starving for fuel, you won't achieve rated rpm. If they're going through the expense of hauling out and going for the props, I assume/hope they checked the simple things first.
Is it me or does the flange at the turbo mounting look warped?
From the picture, it almost looks like the turbo casting is crumbling where the mounting bolts would thread into.
Looks like there are exhaust leaks at the turbo mount, and usually when I see rust trails like that shown at the water injector tube, it usually means pin holes as they don't seem to be running down from anywhere above, unless there is something dripping from above that location or from above the engine.
Without being there to sight it properly, it's difficult to tell but from the picture alone, the rudder seems to be kicked in quite a bit. While some are designed to be toed in a bit, that seems like a lot but I suspect it's just the angle the picture was taken.
Without actually being there, it's hard to say for sure whether any of the items that raise a flag to me are of any real concern judging strictly by the pictures. If you're not there and can probe deeper or sight things from a proper angle, it's difficult to tell if there are any real issues and an opinion is an educated guess at best. One hopes that someone that's physically there can say for sure if these are legitimate concerns.
Keep us posted.
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