Quote:
Originally Posted by thunderpuppy1
That's kinda what I figured.
In terms of fuel economy, am I better off towing @ 60 in 4th gear @ 2100 RPM or upping my speed to ~70 and towing in 5th at 1800-1900?
I'll be pulling again in a couple of weeks so will do a test at that time.
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I vote for 60mph. I know with my truck speed makes a huge impact on fuel economy because of wind resistance and the large frontal area of our trucks. On the other hand, I've heard there's a threshold for turbo charged diesels based on rpm and boost. You basically want to stay below a certain rpm so that your not creating too much boost and reducing fuel economy. I'll be curious to hear the results!
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2002 F250SD Lariat, V10, 4x4, auto, 3.73LS, SC/SB, camper & off-road pkg. - added Silver Stars and SUVLights Harness, Pioneer Premier FH-P800BT deck, PRS-X220 amp and TS-W1240C sub, Pioneer GEX-P910XM XM Satellite Tuner, K&N FIPK, FM50 Delta Flow, ART Rotors, Performance Friction Pads, 285/75R16 Bridgestone Dueler A/T REVO's. - 12/01
2003 Mustang Cobra, black convertible. - 6/07
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