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Old 10-29-2017, 11:14 AM   #48 (permalink)
Shepherd777
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Quote:
Originally Posted by ctmaybury@yahoo.com View Post
13.4 is amazing. I can barely beat that with a 3/4 ton and a 7k lbs travel trailer. I'm hoping to top 20 with some eco mods.
A Class 8 OTR truck prolly does 98% highway driving. I'm sure that you do much less highway driving with your pickup.

The BulletTruck would do 17.5-18 MPG on dead-nuts level ground. On steep uphill grades, it would only do 2.5-2.9 MPG. Downhill it would peg the instant MPG meter at its upper limit, which is 256 MPG. So it was a combination of those climbing, level ground, and downhill grades that let us average 13.4 MPG for that 3043 mile coast-to-coast freight run from Farmington, CT to Tracy, CA.

Interestingly, hardware and software allowed us to log engine conditions in real time during any leg of a trip. We set the data log parameters and took a snapshot of the engine computer approximately every 60 seconds for 1998.2 miles from Illinois to Tracy, California. There were 2250 lines of data, one line for every minute, traveling from west of Chicago, IL to Tracy, California. For those 2250 minutes, we were coasting for over 500 minutes. To put it another way, for those 1998 miles, we were coasting for almost 500 miles. Proper kinetic energy management, and utilizing it correctly, is crucial to obtaining hyper-mileage.
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