rookie mpg question
Discussion in 'Prime' started by jmadd, Dec 21, 2014.
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I've gone as far as increasing the tire pressures to max cold psi on the sidewall, 110 steer/120 super single.
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Just checking back to say thanks again. Started resetting avg mpg on my dash on Tues and using the 1200 rpm or less rule and over 1800 miles and 300 gals, i am around 7.5 with 1 day left to go. Been seeing high 7s and 8s on Qualcom with heavy loads. Very good advice from experience in this thread.
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- Balance your loads between the drives and the steers. Driving around with a tail-heavy trailer will kill your fuel economy.
- Limit how much throttle you use to 15 or even 10 psi of turbo boost.
- Click off the cruise control before you get to a hill and apply power just as you get to it.
- Downshift when the tach drops to your shift point... don't try to power over the hill without downshifting.
- As you get to the top of a hill, if you're going down again reduce power, let your momentum carry you over the crest and gravity bring you back to your cruise speed.
- If you're going up another hill, using a little power to accelerate you to the speed limit is a good idea as you're going down.
- Don't drive around with your Jake on all the time... turn it on when you need it.
- Spend $200 on a Scangauge-KR. It will allow you to see exactly what the ECM is seeing, and will help you fine tune your driving technique. At the Iowa80, or the LetsTruck website.
- Driving as fast as you can just to sit at a truck stop and wait for an appointment wastes fuel... slowing down to what you need to do to get to your 90 with an adequate reserve of time saves fuel... 0.1 mpg increase for every 1 mph slower you go. If you're going faster and getting better fuel economy you need to have your truck looked at... the turbo may be masking a leak in the charge air cooling system.
- Tire pressure is critical... underinflated tires will kill your mileage. Temperature and altitude do affect pressure, so its wise to check your tires when they're cold before you start for the day. Every day.
- If you're a lease-op, don't cheap out on your tires. Buy the lowest rolling resistance tires you can. They're more expensive, but the fuel you'll save will pay for them over and over.Last edited: Jan 13, 2015
jomar68 Thanks this. -
jmadd Thanks this.
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