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Are 379 and 378

Discussion in 'Peterbilt Forum' started by Charmeiser, Apr 29, 2025 at 6:14 AM.

  1. Apr 29, 2025 at 6:14 AM #1
    Charmeiser

    Charmeiser Bobtail Member

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    I am now the proud owner of a 378 pete that is so close to be able to run, just needs a couple fixes here and there and an inframe.

    To lower the price the guy I got it off of agreed to keep the drive shaft and fuel tank for a project he's working on

    I'm looking to get bigger fuel tanks anyways and know a place to get em. Cheap (neighbors road rig caught fire and he's parting them out cheap)

    However it's a 379. Would a fuel tank from a 379 fit a 378
     
    Charmeiser, Apr 29, 2025 at 6:14 AM
    Charmeiser, Apr 29, 2025 at 6:14 AM
    #1
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  3. Apr 29, 2025 at 6:58 AM #2
    lester

    lester Midwest's #1 Feed Hauler

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    you'd have to measure. fuel tanks come in different diameters
     
    lester, Apr 29, 2025 at 6:58 AM
    lester, Apr 29, 2025 at 6:58 AM
    #2
    Diesel Dave, blairandgretchen, Charmeiser and 1 other person Thank this.
  4. Apr 29, 2025 at 4:32 PM #3
    ‘Olhand

    ‘Olhand Cantankerous Crusty

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    They’re virtually the same truck
    The 379 has a longer aluminum hood the 378 was shorter and fiberglass
    But virtually the same truck from windshield back and used same basic undercarriage
     
    ‘Olhand, Apr 29, 2025 at 4:32 PM
    ‘Olhand, Apr 29, 2025 at 4:32 PM
    #3
    Charmeiser Thanks this.
  5. Apr 29, 2025 at 5:19 PM #4
    Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    If it’s a different diameter, take the straps and mounting brackets with it.
     
    Diesel Dave, Apr 29, 2025 at 5:19 PM
    Diesel Dave, Apr 29, 2025 at 5:19 PM
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    Charmeiser Thanks this.
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