Posted 16 August 2011 - 08:21 PM
All this seems strange to me; my FX4 EB has been terrific!
vegasrjr: if I had your drive (flat land, few lights and only 55mph), my truck would easily get 20-21 mpg.
I live in Houston however, and while it is a flat land city we have bridges and overpasses galore. Those things are the same as a small climb in the desert I would think. Also, Houston is a fast driving town; every time I look down, I'm driving 80mph and have to reign the truck in.
After I performed my first oil change at 2900 miles, I reset trip odometer #2 and have yet to reset it., only reset trip odo #1 at fill ups. At just shy of 6000 miles my average mpg on #2 is 17.5.
I either use 87 or 89 octane fuel depending on price at the time of purchase, and quite frankly, I am beginning to think that the 89 is a waste of $$$$. This last tank, I decided to party it up a bit and drove the living daylights out of the thing: punched it a lot, hit over 90 several times, she even tried to get sideways on me while doing a U turn.Try as as hard as I could, the best I could lower the mpg to was 15.1 Even then, finishing off the last quarter tank, driving sanely because traffic was pretty heavy, the mpg popped right back up to 16.9. And naturally, all this is with the A/C on 24/7.
My wite has a EB Platinum. We took that truck from Houston to Bisbee, Arizona using 89 octane fuel. We saw fuel mileage from as low as 14.9 to as high as 19.7 through the trip. It is an 80 mph speed limit from Kerrville to El Paso and we did every bit of that (and more). The truck endured steep winding grades and cross winds for most of the trip. At the end of the trip, on the last fill up I hand calculated the mpg for the whole thing and it was 17.5 on the button.
Both of these trucks are 4X4s, hers has the 3:55 gear and mine has the 3:73. Both of them have to weigh at least 5500 lbs (or more) and have the aerodynamics of a small house.
As far as this business of whether or not this V6 has the balls to handle these trucks, consider this: on the trip to Bisbee, we filled up in Kerrville, Texas and this is where the 80mph speed limit kicks in and the grades start coming into play. After filling up and getting on the Interstate 10, the transmission shifted 6 times getting into top gear and never downshifted until we slowed down to buy gas in Fort Stockton, TX. Not one downshift for over 250 miles of grades, wind and heat. Not one. I made sure to check for that! The fact of the matter is, at least at our house, this little V6 whips these trucks around like rag dolls!
The '09 Platinum we traded in on her new EB Platinum had the 5.4 engine with the 6 speed transmission and 3:55 gears and it was in continuous downshift mode trying to stay at 80 mph over this hill and dale drive. Round trip mileage for that truck was always in the 15-16 mpg range and that was it.
The only reason I am bringing this up is that for all the bad news this thread has in it one would think that the EB engine was no good at all. We are very pleased with ours, and hers has around 15k miles on it now so if there was going to be any early teething problems we should be past that (hopefully). Neither truck has had to back to the dealer.
Cheers and good luck all!