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As far as what is better you need to spend some time on the truck boards. it is kind of like the 8 3/4 vs dana or small block vs BB threads. Everybody has opinions and just like with most things in life, what "you" have is the best option in your opinion. Me personally, I am keeping this early 04 305 555 5.9 as long as I can.




I have an early 04 as well, and am very happy with it! I get about 18 mpg with normal everyday driving. If I am running empty I can get 19-20 mpg on the interstate running 70-75. Pulling my 38' enclosed I get around 11-13 mpg fully loaded. Although one time into a head wind I only got about 8.5 mpg running about 75 mph. I intend to keep this truck until the wheels fall off if I can! This is all hand calculated fuel mileage, as my trip computer seems to be about 3 mpg on the high side everytime I check it.