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Old 05-13-2008, 10:33 PM   #1 (permalink)
mjstef
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Join Date: Oct 1999
Location: Big Sky country Western Montana
Posts: 2,857
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6.4 Sucks Fuel!!!!!!

One of our contractors stopped in tonight to BS. He has an 08 550 Reg Cab 4x4 Automatic with 12,000 miles on it and while it has been problem free it averages 6.8 MPG mixed driving and 8.5 on the highway!!! It weighs right at 12,000# They have 3 other 6.4's getting similiar mileage while the old 7.3's in the fleet get almost double! My 99 Peterbuilt Dumptruck does 6.5 mpg in mixed driving with a 500HP Red Top Cummins in it at 54,000#!!! My 92 Shop Truck with a 460 GASSER does better than that pig at almost 12 in town and 14 highway!! Is there ANY help for mileage in these trucks????
__________________
05 Expedition 5.4 3 valve. (It does better in the mileage catagory on the interstate than my 6.0 EVER did!!!!)
GONE!!!!!!2003 F250 CC 4x4 <font color="red"> 6.0 PSD</font> 6 Speed, 3.73 XLT Dark Shadow Gray ,Moonroof, Camper Package, Skid plates ect. (Gutless PIG from idle to 1800) May 12th 03 build week. 122,000 miles as of 01/01/07......... 4" exhaust and AFE intake b&w turnover ball.
Flashed 6 times, EGR cooler replaced, VVRT solenoid replaced, Turbo Ped Replaced, EGR valve replaced 2X NO LEAKS!!! 8 new injectors, new fuel pump, new FICM, new ball joints, Exaust manifold gaskets, both front wheel bearing assy's, The list goes on and on!!!


Former trucks:
89 F250 2wd 7.3 5spd with 256K when sold
94 F250 4X4 IDI Turbo 7.3 5 spd 160K when sold
95 F250 S/C 4x4 PSD 5 spd with 146K when sold
00 F250 C/C 4X4 PSD 6 Spd with 126K when sold (160K now)
None of these trucks EVER spent a day in the shop!!!!
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