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PSD Mileage

BurbLover

1/2 ton status
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Jul 31, 2001
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SW Missouri
I've got a 96 F350 w/ the PSD. You guys that have this setup, what RPM/speed do you get th ebest mileage at? I'm leaving tonight for NY and mileage is everything.
 
99 F450 with 4.88 rearend and six spd. about 12,000lbs with all the tanks and tool boxes empty. averaged 6-10 mpg depending on road speed and conditons.
 
Mark, I've got a 95 f350 srw 5speed 4.10; best fuel economy empty or loaded is right at 72 mph, averages about 11 mpg. Hope this helps.
Jimbo

ps. PM me when you get a chance, I have a trailer that might work for you.
 
Hey dude,
Well you know what I got so I wont tell you :cool1:

If you keep the rpm's aprrox 2,000 that is the best for the engine power and fuel milage. I get approx 15 mpg at 2,00 rpm.

have a safe trip.
 
Mark,

As Bo pointed out, around 2000 RPM seems to be good for light truck diesels. My truck seems to get the best mileage if kept around 2000-2200 RPM, but don't worry, you will have plenty of time to experiment with speed for the best fuel mileage. That is a long trip (as you probably know, I have spent a lot of time on I70).

Have a safe trip and keep in touch!
 
I get about 600km to a fillup (dual tanks) on mostly city driving. Mine's a crew with 4.10 & 5spd. I try to not to exceed 2000rpm, but I turn about 2200 to keep up on the highway, and 2500+ purely for entertainment purposes :rotfl:

I wish it had the 3.55 axle instead... or bigger tires ;)
 

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