Join Date: Jan 2009
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We use to own a '79 4440 w/quad range. It was a DOG when we first got it. Then we turned up the torque. After that it would pull our JD 2800 5 bottom plowgood. Then at about 2700 hrs, we had to do some motor work. We installed 6 hole tipped injectors shimmed to specs, 4640 turbo and intercooler, and had the pump rebuilt. BOY WOULD SHE RUN! Ran her like that for 3 yrs. Then we got greedy and wanted a nicer cab so we traded it in on a 7800 MFWD. (big mistake) So when the dealer got our 4440 to their shop, they dynoed it. It started at 220hp and pegged right off their 250hp dyno. So we technically don't know how much it had. But I will tell you that the best thing we did was go with those 6 hole tipped injectors. Cut our fuel consumption by a 3rd. Sorry for a lengthy post, just brought back some memories when I saw the 4440 post.
2008 F350, 4X4, Crewcab, Long Bed, 6.4L, AFE Intake w/torque tube, 35/12.50/20's on Factory Wheels. Dark Blue Pearl wPueblo Gold Lower Accent.