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  1. 6.4L Power Stroke Engine and Drivetrain
    So my dad has a 2008 F550 6.4. When I go from a stop or low speeds to high speeds, at around 40mph the truck starts to hesitate. I’ll stay on 40-45 for about 10 seconds with the pedal firm to the ground. Even the turbo psi only goes to about 20psi. Then after those 10 seconds, it finally kicks...
  2. 2008- 2010 General Questions
    Hey there, I was looking on the forum for information about swapping a DTA466 into an F450 or F550 and couldn't find much information about it. I know it's possible on older models with a little bit of work and finagling, but I know I heard somewhere that the F450 in 2008 increase the engine...
  3. 99 & up 7.3L Power Stroke Engine & Drivetrain
    Hello all, I’ve got a 2001 F550 7.3 with a ZF manual transmission. I’m having issues with intermittent no throttle response. The issue happens when coming off a downgrade while the throttle isn’t being pressed. Then when trying to accelerate the pedal does nothing, no check engine light...
  4. 6.4L Power Stroke Engine and Drivetrain
    Hey All, first post here so apologizes for any lack of decorum. Picked up a really sweet ride, an 30ft extreme low floor vehicle made by the now defunct Dallas Smith Corp. Its full time FWD, with swing arm rear suspension, on full air ride that drops the frame within 4" of groundlevel making it...
  5. Bad F550 in truckyard

    F550 Powerstroke Animal
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