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Vintage Diesel and Oil Engines Fairbanks Morse, Lister, Petter, Witte and other pump injected Diesel oil engines.

Vintage Diesel and Oil Engines

1-71 Detroit Diesel (GM)


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  #21  
Old 06-08-2016, 12:59:50 AM
The Diesel Doctor The Diesel Doctor is offline
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Default Re: 1-71 detroit diesel (GM)

The cast iron cleaned up well. Still working on the accessories. Blower,water pump,starter, ect. How many GM1-71`s are left in the world today? I have seen 3 in my lifetime. Delco power generator school in Detroit, Engines Incorporated in Philadelphia in 1967. And the one i have now from Pearl Harbor Naval Base. My guess would be less than 100. I am told that they were used on Liberty ships and they are now at the bottom of the sea.Click image for larger version

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  #22  
Old 06-08-2016, 01:27:15 AM
Vanman Vanman is offline
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Default Re: 1-71 detroit diesel (GM)

I wonder if the USS Jeramiah O'Brian has one? Don't recall seeing one in the engine room, but I believe there were three similar sized steam engine generator sets. Would make sense to have a diesel for power until the boilers were in steam.
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  #23  
Old 06-08-2016, 02:11:03 AM
The Diesel Doctor The Diesel Doctor is offline
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Default Re: 1-71 detroit diesel (GM)

The standard power on the liberty ships were 20KW reciprocal dc generators. A 1-71 for start up or standby would not have been on all of them as there were more Liberty ships built than 1-71`s Aloha AL
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  #24  
Old 06-08-2016, 02:54:35 PM
Pauls Welding Minnesota Pauls Welding Minnesota is offline
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Default Re: 1-71 detroit diesel (GM)

Quote:
Originally Posted by the diesel doctor View Post
The cast iron cleaned up well. Still working on the accessories. Blower,water pump,starter, ect. How many GM1-71`s are left in the world today? I have seen 3 in my lifetime. Delco power generator school in Detroit, Engines Incorporated in Philadelphia in 1967. And the one i have now from Pearl Harbor Naval Base. My guess would be less than 100. I am told that they were used on Liberty ships and they are now at the bottom of the sea.Attachment 255754
I have a 2-71 on a Delco generator that is still going strong.
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  #25  
Old 06-08-2016, 09:37:09 PM
cornbinder89 cornbinder89 is offline
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Default Re: 1-71 detroit diesel (GM)

2-71's are a lot more common than the 1 cyl, only a very limited number were made, very early in the -71 series run, then they stopped making them.
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  #26  
Old 06-09-2016, 11:09:07 PM
imotorhead64
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Default Re: 1-71 detroit diesel (GM)

Hi Vanman, Thanks for posting about the 51... I've been around Detroits for over 30 years... I had no idea they existed...

https://en.wikipedia.org/wiki/Detroit_Diesel_Series_51

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  #27  
Old 06-10-2016, 12:17:27 AM
The Diesel Doctor The Diesel Doctor is offline
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Default Re: 1-71 detroit diesel (GM)

One of my customers out here had a pair of 4-51 marine engines in his fishing boat. Having no valves tune ups were easy. They had unit injectors but required a special injector height timing pin. The boat sunk but the engines were salvaged. Have to check, not sure what happened to them. Aloha Al
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  #28  
Old 06-10-2016, 01:10:48 AM
The Diesel Doctor The Diesel Doctor is offline
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Default Re: 1-71 detroit diesel (GM)

The engine oil filter assembly is a bypass type. Oil from an oil gallery is sent to the filter,it is filtered and then sent back to the sump by way of the lower cover plate on the governor weight housing. The filter elements (4) are made out of a stacked paper material They are 1 3/4 x 6 with a 5/8 hole in the center. the GM p/n is 3290697. These packs may have been used on other engines during its time. Does anyone know about these? Being a bypass filter i can always use a snug fitting sock type element.Click image for larger version

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Old 06-10-2016, 06:32:54 PM
Vanman Vanman is offline
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Default Re: 1-71 detroit diesel (GM)

I'm a little leary of the Wiki article. A few things don't make sense, like throttling the blower and choking it to stop it. It may have a "mouse trap" as an emergency stop, but I can't imagine it doesn't just shut down the injectors for a normal stop.

About the oil filter- that sure is an odd one, isn't it! I wonder if the canister can accept an appropriately sized roll of toilet paper??
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  #30  
Old 06-10-2016, 08:03:30 PM
The Diesel Doctor The Diesel Doctor is offline
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Default Re: 1-71 detroit diesel (GM)

Some pic`s from my 51 parts book. Aloha AlClick image for larger version

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