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Old 04-06-2016, 04:46 PM   #21
Bus Crazy
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Join Date: Feb 2016
Location: Willamina, Oregon
Posts: 1,858
Chassis: '97 BB TC1000, 5.9l
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True, it's been 2 1/2 decades since I worked on those. The military used them in APCs. I didn't like them back then, but they have lasted much better than I estimated.
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Old 04-06-2016, 05:18 PM   #22
Bus Crazy
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Join Date: May 2010
Location: Montana
Posts: 1,614
Year: 1995
Coachwork: Blue Bird
Chassis: All-American R/E
Engine: 8.3 Cummins
Rated Cap: 72
They really were good, especially non DDEC like the military gets to have. Lots and lots of moving parts though.
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Old 06-08-2016, 09:45 PM   #23
Join Date: May 2016
Posts: 153
Originally Posted by Roadrunner View Post
Ask what kind of mileage it gets. I would guess 4 mpg.
I ran 250K miles in a converted Eagle 10 with an 8v71TA (318hp). Scale weight around 40k lbs.

I ran my diesel generator out of my main diesel tan so my mileage calcs were skewed by the fuel used while parked. Even so, I ran a consistent 7.1mpg - 7.3mpg.

There is a reason that they call them "Screamin' Eagles". The 8v71 Detroit at 2400RPM is LOUD.

I would buy another in an instant. Hugely reliable, relatively easy to service. Even I can do minor work on them. Another poster stated that it is hard to find folk to work on them. In my experience all I had to do to find good 2 stroke Detroit guys was to go to a bus shop or DD service shop and look for guys with gray hair..... Half way kidding, one of the sharpest DD 2 stroke guys I met looked about 19 and worked for Smith DD in SLC.

They still build the DD 2 stroke for limited applications today.
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Old 07-22-2016, 12:27 PM   #24
Join Date: May 2016
Posts: 153
Originally Posted by serpent View Post
C'mon. I've seen 8v92's that get 5mpg w/automatics. Surely this thing get's 6? ;)
I ran over 250k miles in an Eagle 10 with an 8v71 and Allison 740. I consistently got 7 - 7.25mpg. Most of that time I was towing a For Ranger pickup.
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