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Old 08-31-2010, 07:40 PM   #21
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Re: Maximizing MPG with a DT360



Down inside the pump, after you take off the big cover on top, you'll see a small bolt with a jamb nut. Break loose the jamb nut, and screw in the bolt. It's the one that's about 1.5 inches down in there. Might as well screw it all the way in, because you still may not even notice the difference. These pumps dont really move much fuel. If you want to pep it up better, buy a core 466 from an 84-92. Then you can have the timing gear, pump adaptor, pump, lines, injectors, turbo, and any other spare parts you want or need. I suggest a "CA smog compliance" core. They cut a hole in the block of a perfectly good engine.
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Old 02-17-2011, 01:23 AM   #22
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Re: Maximizing MPG with a DT360

I can't believe an auto is causing that much MPG hardship. I get 12mpg with my DTA360 with an Eaton 6-speed. I got 12mpg when I did a self-move with a 5.9 Cummins/auto back in '96 in a Budget rental truck. I went through the Eisenhower Tunnel on that trip with 30,000# total weight pulling my '64 Galaxie on a dolly from southern California to Ohio. I drive my bus everywhere between Iowa and the Atlantic Ocean.

Assuming nothing is wrong with your engine, it's a little motor in a big vehicle. If it isn't accelerating, back off. You have an auto with a torque converter and no converrter clutch. If you keep the converter flashed, it will happily convert all of your extra fuel into heat. You have a huge cooling system and the heat will blow off into nothing, no problem. Just keep your foot of of the floor. Let it slow down on hills. There is no difference between a Cummins 5.9 and a DTA360 in these things. The boreXstroke and fuel system is the same. You ask more than the motor can give, you are wasting fuel. Lift your foot to the place where you aren't slowing down and hold it there.

I drive a '96 VW Passat TDI, an '88 crewcab diesel Chevy pickup and my Navistar-diesel bus. To me, gasoline is the stuff that gives you leukemia if you wash parts in it.
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Old 07-11-2017, 04:01 PM   #23
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Just made a 350 mile trip in my 28' dt360 spicer 5speed..best I could figure I was getting about 9.25 mpg. That was doing 60-65 mph and 40mph up all the passes between Eugene and Grants pass Oregon. Bus maxes out at 70mph. That was all calculated using a speedometer app on my phone
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Old 07-11-2017, 05:01 PM   #24
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Quote:
Originally Posted by SolomonEagle View Post
Just made a 350 mile trip in my 28' dt360 spicer 5speed..best I could figure I was getting about 9.25 mpg. That was doing 60-65 mph and 40mph up all the passes between Eugene and Grants pass Oregon. Bus maxes out at 70mph. That was all calculated using a speedometer app on my phone
sounds about right.. when I run my DT-360 at 55-60 i can get north of 10 MPG (barely).. my bus with a AT545 maxxes out at 68 running the DT-360 at its 2800 RPM absolute max.. when I do that my bus goes down to like 7.5 MPG
-Christopher
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