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Thread: Brand New Truck Undercoating?

  1. #1
    Join Date
    Oct 2010
    Location
    Michigan
    Posts
    1,911

    Brand New Truck Undercoating?

    Just took delivery on a brand new F-150 XLT Sport 5.0


    Wondering what type of undercoating or rust proofing ya'll would recommend?

    What are your experiences with the different options?
    2004 Black Marauder: #2237 Born on 4/1/2004

    Eaton Swapped and a bunch of other goodies!

  2. #2
    Join Date
    Oct 2014
    Location
    Cunningham, Kansas
    Age
    70
    Posts
    695
    None, the body is all aluminum.
    2004 SB #2150 of 3214 Moonroof, Heated Seats and 6 CD Changer. Non OEM Mufflers and 32,XXX miles and counting.

  3. #3
    Join Date
    Jan 2018
    Location
    Califon NJ
    Age
    37
    Posts
    259
    Fluid film seems to be the best option.
    Aluminum will oxidize, particularly when exposed to magnesium chloride. And there's still a steel frame under there.

  4. #4
    Join Date
    Jul 2005
    Location
    Land of 10,000 Lakes
    Age
    52
    Posts
    1,545
    "No one is useless if they can still be used as a bad example." ~ SSgt. Miller.

    "Loud pipes lose rights."

  5. #5
    Join Date
    Mar 2004
    Location
    Baltimore, Md.
    Age
    64
    Posts
    11,665
    I never believed in undercoating newer vehicles, as the manufacturers usually spray on a coating where needed to meet their 100,000 mile body/frame warranties.

    Having said that, the next new pick-up that I buy is going to immediately get a set of these:

    https://www.youtube.com/watch?v=xtieKJYPKP0
    2020 Ford Ranger STX DFI Turbo 2.3L 10 speed Auto
    2017 Ford Fusion Sport DFI Twin Turbo 2.7L V6 6 speed Auto (14.000 ET bone stock in 82 degree heat)
    1985 Mustang GT 5.0 Hatchback 4bbl 5 speed manual (525 HP 363 Dart block/AFR heads with Magnum 6 speed in the works)
    1984 Mustang GT 2.3 Turbo Convertible FI. 5 speed manual
    1966 427 Cobra (ERA) 468 all Aluminum FE 2x4bbl 5 speed manual

    SOLD : 2003 Mercury Marauder FI. 4 speed Auto
    w/Crower Cams & Springs, +1mm SS valves, mild port job on the cylinder heads.
    Extrude honed intake w/PHP spacer.
    Kooks Headers w/2.5" High Flow Cats & X-Pipe, Magnaflow mufflers, OEM tailpipes w/Megs Tips
    B&M Trans cooler w/fan, Level 10 Shift Kit, Art Carr Hughes Deep Sump Trans Pan,
    SVO Rearend Girdle, Redline Gear lube; OEM 3.55s
    'Real Gauges' + matching Trans Temp, Oil Temp, Water Temp, Fuel Pressure, Vacuum/Boost Gauge
    Built: 10/15/02 Bought: 12/16/02 Sold: 10/15/18

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