Today I met a gentlemen who has connections with Ford research & development. He says the new V-6 diesel (which will soon be an available option in F-150) is nothing but Great!!!
Engine has plenty of power, lightweight & he has tested one & got at least 28 MPG in an F-150. I think he called the engine a 4.5L ???

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1999 Teal Blue F-150 S/C
4.6L, XLT, 3.55 L/S 4x2
Tow pkg., Rhino liner, Engine block heater & Swiss hard toneau cover. Premium sound
255/75 R16 Generals-owl
This" is Mama's pride"

 

Hey gearman if you want to learn more about upcoming new engines and revised engines go to www.blueovalnews.com. Click on engines in left and scroll down until you get to 2003 engines in f-series. Very promising thought you might be interested. See ya

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2001 F-150 5.4L trition,
Regular cab with 8' bed
XLT with Black Clearcoat
4x4 3.55 limited slip
factory cab steps
class III tow package
Factory ordered: 12/5
recieved: 2/22

Current Mods: Ford Plastic bedliner, Bug Deflector II