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All Other GM Diesels Discuss any other GM Diesel engines... 5.7l Olds, Chevette Diesel, or anything else that doesn't fit anywhere else...

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Old 03-10-2013, 11:17 AM   #1 (permalink)
torquefarmer
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detroit 2-71 questions

hello i am trying to figure out the torque output on a 2-71 detroit i know hp was 55-68 depending on year. i know the 2-53 series could do 100lbs so i was thinking 155-165 was close? tired searching online all i got was bolt torque specs...
if i use the formula hp=(tqxrpm)/5252 i get 198lbs/tq seems like a diesel like number lol i used 1800rpms in equation and 68hp and i hope its close thanks guys in advance

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Old 03-10-2013, 07:18 PM   #2 (permalink)
boothybunch
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try checking out 4btswaps.com

The 2-71 is 68 hp and rated for 2000 rpm. that works out to around 179ft-lb

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Old 03-10-2013, 08:12 PM   #3 (permalink)
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Old 03-11-2013, 02:03 AM   #4 (permalink)
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what was the use of the engine? genset? welder? track loader? one of our buddies has a 1966 john deere track loader with the same engine, works hard and pretty fuel efficient.... and fair to middlin power...LOL
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Old 03-11-2013, 01:17 PM   #5 (permalink)
tuney443
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Quote:
Originally Posted by turbonator View Post
what was the use of the engine? genset? welder? track loader? one of our buddies has a 1966 john deere track loader with the same engine, works hard and pretty fuel efficient.... and fair to middlin power...LOL
It was a 2-53,not a 71 that was used in 440's up until 1960.If your friend's is a 1966,then that's a JD diesel.
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