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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.
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  • 123M
  • 355K
  • 123M

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
  • 88.7M
  • 238K
  • 88.7M

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
  • 45.2M
  • 225K
  • 45.2M

Power Strokes 1994-1997 General

Technical discussion of topics related to vehicles powered by the Power Stroke engine in 1994 through 1997 models.
  • 202K
  • 47.7M
  • 202K
  • 47.7M

7.3L IDI Diesels (Not Power Strokes)

Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.
  • 162K
  • 46.6M
  • 162K
  • 46.6M
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  1. Premium Guard oil and fuel filters?

    6.0L Power Stroke Engine and Drivetrain
    Are they any good or should I stay away? I have heard about filter fitmet issues in the past. Any idea's?
  2. wastegate whooshing

    99 & up 7.3L Power Stroke Engine & Drivetrain
    Hello, I have a 99 7.3 with 210,000 on it. The issue is that during the cold days, under 40 deg here in Michigan, my straight piped diesel makes loud whooshing sound. I am sure it is the wastegate blowing off pressure. It does this until the engine is clompletly warm. I was wondering if there is...
  3. Annual WardsAuto/Mahle Light-Vehicle Engine Chart

    General Diesel
    The 2015 North American Light-Vehicle Engine Chart is now available. Your choice of a .pdf, a spreadsheet* or a poster. 2015 Light Vehicle Engine Chart Sponsored By Mahle | WardsAuto * It's not necessary to provide genuine data to get a spreadsheet.
  4. Scanner for my 7.3 ??

    99 & up 7.3L Power Stroke Engine & Drivetrain
    I have a 99.5 7.3 and always have to make an appt with my buddy who works at the local diesel shop to have my truck scanned. I would be really nice to do this myself if it doesent cost $1000s. I have heard of some guys talking about different scanners, but I want to make sure I get one that...
  5. What's the best oil to use in 6.4?

    6.4L Power Stroke Engine and Drivetrain
    I have '08 F250 6.4 liter and it's time for the 2nd oil change (10k miles). 1st one was at the dealer. I am a huge fan of Mobil 1, but I'm not sure what oil meets the CJ4 spec requirements and won't plug up my DPF.
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