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Old 08-31-2010, 06:40 PM   #21
Join Date: Aug 2008
Location: Modesto, CA
Posts: 115
Year: 92
Coachwork: ford
Engine: 6.6 Ford
Rated Cap: 3
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, 12:23 AM   #22
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Join Date: Feb 2009
Location: Columbus, Indiana
Posts: 79
Year: 1991
Coachwork: Thomas
Chassis: International
Engine: DTA 360, Fuller 6-speed
Rated Cap: 53
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.
My bus conversion
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