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Re: Exhaust Soot Question
No, this is definatly exhaust soot. It is full of soot as far in the pipe as I can see. And it hasn't only been driven slowly around town. Its first 800 miles were highway miles (I know thats not how you are supposed to break them in, but it couldn't be helped) The next few hundred miles were around town, with some highway miles. After that and up until it had about 3000 miles, it was driven to the racetrack and back, which is mostly highway miles. At that point in time, I took it on a thousand mile round trip. The first half was with a gooseneck flatbed (2500 lbs) 35 bales of hay (1750 lbs) and a 2000 lb skid steer loader for a total load of 6250 lbs. This truck was definatly working. When I filled up, I got 10 and 9 mpg on the way to my destination with a tailwind/sidewind. On the trip back, I had the same trailer and loader, so I was pulling 4500 lbs, but I only got 7 and 8 mpg, with a headwind/sidewind. Anyways, the whole point of saying this is that for the past thousand miles it should have gotten hot enough to burn any carbon that may have been in there. And the fuel milage seems really low too, but I don't know. I've always pulled with diesels. Also, my mother has a 2003 f-150 with the 5.4, and her exhaust pipe is clean as a whistle. Do ya'll have any suggestions as to what could be wrong or is this normal for this motor? I appreciate the responses so far.
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'99 F-150 As cheap as they come. (Well, except for the tilt and cruise!!)
'51 Willys Overland pickup truck, not quite stock though.
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