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Old 10-03-2015, 07:58 PM   #1
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Not quite 9000

Putting the boat to bed for the winter; looks like the old Jimmy will have to wait until next year to turn 9000.
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Old 10-04-2015, 04:01 AM   #2
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What type of engine do you have?
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Old 10-04-2015, 04:44 AM   #3
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Above the tach is "GM".
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Old 10-04-2015, 06:34 AM   #4
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9000 hrs is very easy to achieve on a well cared for diesel engine,especially a Detroit. I would guess that boat has either a 4-71 or a 6-71.
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Old 10-04-2015, 07:15 AM   #5
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Above the tach is "GM".
Thanks, missed that.
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Old 10-04-2015, 07:54 AM   #6
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Greetings,
I think the reference to "Jimmy" suggests a 6-71. I've never heard a 4-71 referred to as a "Screamin' Jimmy". Of course I don't get out of the house much...
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Old 10-04-2015, 11:30 AM   #7
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9000 hrs is very easy to achieve on a well cared for diesel engine,especially a Detroit. I would guess that boat has either a 4-71 or a 6-71.
Just a little 3-71, new in the boat in 1956. Starting to get broken in now.
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Old 10-04-2015, 11:35 AM   #8
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Greetings,
Mr. QB. Thanks. Learned something today.
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Old 10-04-2015, 11:44 AM   #9
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I've never heard a 4-71 referred to as a "Screamin' Jimmy".
Is our 3-71 a Screamin' Jimmy... Well let's just say you can hear it running for sure.
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Old 10-04-2015, 12:49 PM   #10
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Old 10-04-2015, 01:07 PM   #11
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Screaming Jimmy refers to any of the 2 cycle detroits, 71 or 53 series.
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Old 10-04-2015, 01:25 PM   #12
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Just a little 3-71, new in the boat in 1956. Starting to get broken in now.
I could ogle the Skookum Maru all day.
Came across this yesterday.
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Old 10-04-2015, 03:30 PM   #13
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Hawgwash, that's at Ladysmith, or Cowichan Bay?

If the Taconite is still for sale, you can get two running Atlas Imperials right there: 1930 Boeing Aircraft of Canada Classic Yacht Power Boat For Sale -
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Old 10-04-2015, 04:08 PM   #14
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I'm not surprised the engine has lasted that long, but I'm surprised the tach did!
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Old 10-04-2015, 05:18 PM   #15
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Hawgwash, that's at Ladysmith, or Cowichan Bay?
Cowichan Bay.
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Old 10-04-2015, 06:42 PM   #16
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Is that 9000 hrs, on original liners and pistons?
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Old 10-05-2015, 11:00 AM   #17
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Is that 9000 hrs, on original liners and pistons?
According to the maintenance logs, yes. New external fuel and coolant lines in 1995, new injectors in 2005, new thermostat this year, etc., but the engine has never been apart.
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Old 10-07-2015, 06:53 AM   #18
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but the engine has never been apart.

At the end of the next 9000 hrs you might want a visual compression check.

If it stops white exhaust smoke with the coolant at 140F or below , your set for another 9000.

Even DD requires antifreez , the cheap green stuff to be changed out every 3- 5 years or so.
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