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Technical What year is this gmc

Discussion in 'The Hokey Ass Message Board' started by 31Vicky with a hemi, Sep 24, 2014.

  1. what other years are similar and run in that block of similar body styles Chevy and gmc

    What years would hoods swap? Chevy and gmc

    Thanks

    image.jpg
     
  2. 3wLarry
    Joined: Mar 11, 2005
    Posts: 12,804

    3wLarry
    Member Emeritus
    from Owasso, Ok

    I think it's '47-'54
     
    kidcampbell71 likes this.
  3. mgtstumpy
    Joined: Jul 20, 2006
    Posts: 9,279

    mgtstumpy
    Member

    1950 ish, I can't see if there are any vents on side of cowl as in shadows. I think 48-54 GM shared similar if not identical bodies so hoods could interchange. I looked at Carnut and lots of photos to ***ist.
     
  4. The above are generally close. The "bright line" changes in this body style (1947-1955 1st series) are with or without cowl vent doors or door vent windows, lever or push ****on outside door locks, and one or two piece windshield. Since I can't see a door or the cowl vents all I can say is definitely '47-'53. And the GMC and Chevrolet grill tops are different so the hoods do not interchange. Also, if this is a 1 ton or heavier the front fenders do not interchange (wheel well opening changes diameters and everything gets longer the heavier they were rated) although any entire front clip will bolt to any '47-'55 1st cab in this series(Advance Design).
     
  5. El Hueso
    Joined: Nov 24, 2001
    Posts: 2,395

    El Hueso
    Member

    The hood won't swap from Chevy to GMC as the grill is different, but I believe 1947-54 GMC all have the same hood. I believe 1950 was the last year for the side cowl vent.
     
  6. Looks like a '47-'49 hood ornament if it's original.
     
  7. Bill Rinaldi
    Joined: Mar 23, 2006
    Posts: 1,877

    Bill Rinaldi
    Member

    I don't know if your asking if CHEVIE and GMC hoods can swap with each other. They can't. Front fenders aren't the same either, but it's easier to modify the fenders to fit (either way) than modifying the hood. As to the doors, running boards, beds, even cabs, (I believe the dash boards are essentially the same) they can interchange GMC is the same as Chevies, they all fit each other. BILL
     
  8. henry29
    Joined: Sep 5, 2007
    Posts: 2,887

    henry29
    Member

    It is a 47-50, is the gas tank in the cab?
    Looks like a half ton to me.
     
  9. oldcarkook
    Joined: Nov 4, 2007
    Posts: 60

    oldcarkook
    Member
    from Bahstin

    That is a '48; the unique 3 bar grille and flat front splash apron are dead giveaways as this was a '48 ONLY feature.

    The hood will work on any New Design GMC, however the '48 cab cowl had no rain gutter and therefore the seal across the hood in the back will be misaligned with anything other than a '48. You should be able to deal with that with some tinkering.
    [​IMG]
    You can see the '49-54 GMC cab firewall has the distinctive "H" pattern on the driver's side, and the '47-'48 GMC cabs have no rain gutter which lead to water cascading off the windshield and under the flap and all over the engine bay. They redesigned in '49 and put in the gutter to keep that from spilling on the engine. Of course the top cowl vent drain hose always points straight at the inline GMC's rear vent which is how rainwater ends up getting into the GMC (and Chevy) engine oil when they sit with the hoods closed up tight. Aim that hose away from your top breather slot if you are in a rainy area.
     
    Last edited: Sep 24, 2014
  10. Atwater Mike
    Joined: May 31, 2002
    Posts: 11,618

    Atwater Mike
    Member

    'Advanced Design', those. Thought more was interchangeable...fenders, hood, doors?
    They all look the same...fat...:p
     
  11. Thank you all
    Very much
     

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