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Old 07-02-2018, 09:22   #16
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Re: "Rebuild one cylinder" Does broker's comment make sense?

You can be certain that if the work was done on a boat being sold, it was done in least costly way. Count on replacing the engine. Rebuilds are RARELY done right. If you want to save some over new, buy a Cummins Reman or one of the other major manufacturers Remans. In the ads on Yachtworld, a rebuilt engine means it had it's oil changed.
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Old 07-02-2018, 09:39   #17
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Re: "Rebuild one cylinder" Does broker's comment make sense?

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With a Volvo can probably only afford the parts for 1 cylinder at a time
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Old 07-02-2018, 10:20   #18
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Re: "Rebuild one cylinder" Does broker's comment make sense?

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This is peak negotiating position.
Good point. Hadn't considered that.
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Old 07-02-2018, 10:25   #19
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Re: "Rebuild one cylinder" Does broker's comment make sense?

To me, it says her engines weren’t maintained. Not necessarily true cause an injector can be perfect today, and stick tomorrow.
If everything else checks out and you can eat off of the engines, then maybe they were maintained.
I look for rust in coolant, old filters and corrosion to tell if one has been maintained or not.
For most people maintenance is having it fixed once it breaks, that is all they do on their lease cars.
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Old 07-02-2018, 10:36   #20
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Re: "Rebuild one cylinder" Does broker's comment make sense?

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To me, it says her engines weren’t maintained. Not necessarily true cause an injector can be perfect today, and stick tomorrow.
If everything else checks out and you can eat off of the engines, then maybe they were maintained.
I look for rust in coolant, old filters and corrosion to tell if one has been maintained or not.
For most people maintenance is having it fixed once it breaks, that is all they do on their lease cars.
I had a friend turn in a lease car with 60K miles on it. He never changed the oil in it except the day he turned it in to cover for his lack of maintenance. It let out a huge plum of black smoke as soon as you stepped on the gas. The guy at the lease company said they would put a can of engine restore in the oil and sell it as a cream puff.
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Old 07-02-2018, 11:12   #21
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Re: "Rebuild one cylinder" Does broker's comment make sense?

In the 70's I had a friend with a 64 Impala that never changed the oil . Maybe every couple of years. It continued to run. The dipstick was black as night. Not my advice though. But one wonders, if you dont keep a car "long term" , is it throwing money out the window to change oil etc?
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Old 07-02-2018, 11:39   #22
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Re: "Rebuild one cylinder" Does broker's comment make sense?

I have heard that some long haul trucking companies NEVER change the oil in their trucks and still get 6 or 700k miles out of an engine. I guess they have data to show it's cost effective to run them that way. Age of engine and oil must be a factor also.
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Old 07-02-2018, 11:42   #23
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Re: "Rebuild one cylinder" Does broker's comment make sense?



I gotta admit, as shameful as that is I'm at least in part impressed by the story (not sure which part though).
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Old 07-02-2018, 11:52   #24
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Re: "Rebuild one cylinder" Does broker's comment make sense?

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But one wonders, if you dont keep a car "long term" , is it throwing money out the window to change oil etc?
Perhaps, but I think there is value added to a vehicle, boat, whatever... In keeping it up and being able to prove it was maintained.

Two identical cars, priced the same, only difference is one of those cars was dealer serviced on time every time. Which do you cut a check for? Do you pay a few extra dollars every oil change? Sure. Have to put up with them wanting to sell you cabin air filters twice a year? Yeah.

Friends of mine wonder why use a dealer for all my service, say I pay too much. Because, I used to work at a little oil change joint just after high school, I know the caliber of mechanic most of them are employing. I know a dealer trained technician isn't going hacksaw the skid plate off my truck to get to the oil filter.

Sorry for the drift, back to the boat. I can't imagine the seller made the decision to rebuild one cylinder with any thoughts about the long term health of the engine. That was the last thing on his mind, I'd bet.
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Old 07-02-2018, 12:14   #25
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Re: "Rebuild one cylinder" Does broker's comment make sense?

if one injector was bad was it due to seating or a burned tip


I would at the least have all the injectors sent out and blow down test the rest of the cylinders is this a V or a straight block?


there may be collateral damage if you this shooting raw fuel into the cylinder


did the engine run away you need to find out what the injector failed
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Old 07-02-2018, 12:19   #26
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Re: "Rebuild one cylinder" Does broker's comment make sense?

Rebuild one cylinder or rebuild one injector?
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Old 07-02-2018, 12:54   #27
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Re: "Rebuild one cylinder" Does broker's comment make sense?

As previously posted, changing out on cylinder kit is common practice on large diesels and would not be a concern for me. However, also as posted, just who is the mechanic and did he inspect/ test the other injectors would be a concern. Can you get access to that mechanic to ask questions? Any maintenance logs you can inspect? How many hours are on the engine?That type of purchase, I assume you are going to hire a mechanic to check out the engines anyway, correct? Clue him in on the REPAIR and tell him to look for tell tale signs on the other cylinders and engine.
This is not a reason to pass IMO, but to use caution moving forward and to hammer him on price.
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Old 07-02-2018, 13:27   #28
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Re: "Rebuild one cylinder" Does broker's comment make sense?

Big ship motors that have individual cylinders with heads like the GM LST motors that came from a locomotive are normally serviced 1 cylinder at a time.
I have heard of mechanics servicing Detroit 71 series at one cylinder level but I would never allow that on my vessel because that is a small integral engine.
Basically if the Volvo does not have individual cylinders and heads it get serviced as a unit.
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Old 07-02-2018, 18:51   #29
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Re: "Rebuild one cylinder" Does broker's comment make sense?

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Originally Posted by kmacdonald View Post
I had a friend turn in a lease car with 60K miles on it. He never changed the oil in it except the day he turned it in to cover for his lack of maintenance. It let out a huge plum of black smoke as soon as you stepped on the gas. The guy at the lease company said they would put a can of engine restore in the oil and sell it as a cream puff.
Black smoke- too rich a mixture of gas to air. Blue smoke-burning oil.
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Old 07-02-2018, 18:54   #30
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Re: "Rebuild one cylinder" Does broker's comment make sense?

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I wouldn’t walk so quick if the rest of the boat suits your needs.

If what other posters are saying, that these are sleeved cylinders, then no big deal if done properly.

What is a big deal is the MIND OF THE SELLER.

He just lost a deal, already spent the money in his head and wants out. This is peak negotiating position.

Food for thought.

You may save enough to replace both engines if you play your cards right ;-)
Exactly. Something about throwing the baby out with the bath water.
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