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99 & up 7.3L Power Stroke Engine & Drivetrain

Discussion of the '99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.
  • 356K
  • 126M
  • 356K
  • 126M

6.0L Power Stroke Engine and Drivetrain

Discussion of the 6.0L Power Stroke diesel engine and drivetrain in the 2003-Up Super Duties and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.
  • 238K
  • 90.5M
  • 238K
  • 90.5M

99 & up Upgrades and Aftermarket - 7.3L Engine

Upgrading or adding OEM or aftermarket equipment to your 1999-Up Super Duty or Excursion with 7.3L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.
  • 225K
  • 45.9M
  • 225K
  • 45.9M

Power Strokes 1994-1997 General

Technical discussion of topics related to vehicles powered by the Power Stroke engine in 1994 through 1997 models.
  • 203K
  • 48.7M
  • 203K
  • 48.7M

7.3L IDI Diesels (Not Powerstrokes) 1988-1993

Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.
  • 162K
  • 47.5M
  • 162K
  • 47.5M
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  1. 6.7L dpf delete pros and cons

    6.7L Upgrades and Aftermarket - Engine
    I am thinking about doing a dpf delete on my new 6.7. what's the fuel milage gains? Will it run as good as the 6.4 does? Any problems? According to the programmer websites your only looking at 30 more hp over the non dpf delete tunes is it worth it? I want to hear anything you have to say.
  2. Micron rating of a standard coffee filter?

    Bio-Diesel and Alternative Fuels
    Since the weather is warming up here, I plan to use my own uded veggie oil as a fuel additive and lubricant. It's already gone through a 100 micron water separator filter. I'd like to final filter the oil through coffee filters since they're cheap and readily available. Anybody know the...
  3. 7.3L Wiring Schematic Printable, very handy.

    99 & up 7.3L Power Stroke Engine & Drivetrain FAQ
    7.3L Wiring Schematic Printable, very handy. Handy Wiring Diagram that shows a Paper Trail of how the Electrical System Works for the 7.3L Powerstroke Engines, all Trucks, Excursions, Vans. It was a...
  4. Diesel fuel in coolant system???

    99 & up 7.3L Power Stroke Engine & Drivetrain
    Can anyone tell me how diesel fuel can get into the cooling system? I noticed a leak under my truck and started searching for the source, but couldn't find one. I would see fuel on top of and around the coolant jug, but couldn't find the source so I took it to a diesel mechanic today. Just got...
  5. My Oil Pressure Guage is acting CRAZY.

    6.0L Power Stroke Engine and Drivetrain
    My Oil Pressure Guage has a mind of its own. The Truck runs fine so far. When driving, if I take my foot off the accelerator and coast to the point that the RPM's drop below 1,000, the guage basically dies and the needle drops to the bottom showing zero pressure. Then if I touch the...
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