73-79 F100's

Discussion in 'Other Automotive Tech & Talk' started by mean_maverick, Sep 15, 2009.

  1. mean_maverick

    mean_maverick Senior Member

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    anyone know if it would have 28 or 31 splines axles? i ran across one and plan to buy it. it came factory with a 240 and was 3 on the tree, but now has a 302 in it's place with Maverick exhaust manifolds on it :16suspect... the rear is a 9" with 3.70 gears but was curious about the axle splines.
     
  2. Joe Dirt

    Joe Dirt BBF life

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    more then likely it is 28 spline and an open rear.

    4x4,400m,and 460 trucks are were you will find 31's

    Ive got a set f/s if you know anyone looking
     
  3. mean_maverick

    mean_maverick Senior Member

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    cool. thanks for the info.

    dont really know of anyone looking for parts, but ill find someone cause when i get this truck.... im parting it out :D
     
  4. sierra grabber

    sierra grabber Certifiable

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    you need three more then so you can build one and part the other two.... when you get them i need door panels for a 73 ;)
     
  5. Cpt. Bondo

    Cpt. Bondo Member

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    Trust me, there are just as many people (if not more) looking for dent side F-100 parts as there are people looking for Comet / Maverick parts. If you can't find people local or on the forums that want them, eBay that sucker!

    It wouldn't happen to have a good hood would it??? I'm still seriously considering doing the Grabber scoop conversion on one if I can find the usable parts to do it.

    -Scott H.
     
    Last edited: Sep 16, 2009
  6. littleredtoy

    littleredtoy Seth

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    [FONT=Arial,Helvetica][SIZE=+1]How to tell whether yours has a 28 or 31 spline axle.[/SIZE][/FONT]
    [FONT=Arial,Helvetica]This method works for pre-1971 axles, after that a few 31 splines[/FONT]
    [FONT=Arial,Helvetica]were produced with the concave oval in the center of the flange.[/FONT]
    [FONT=Arial,Helvetica]Therefore, the only foolproof way is to remove the axle and count.[/FONT]
    [FONT=Arial,Helvetica][SIZE=-1][/SIZE][/FONT]
    [FONT=Arial,Helvetica][SIZE=-1][/SIZE][/FONT]
    [FONT=Arial,Helvetica][SIZE=-1][/SIZE][/FONT]
    [FONT=Arial,Helvetica][SIZE=-1][/SIZE][/FONT]
    [FONT=Arial,Helvetica][SIZE=-1][/SIZE][/FONT]
    [FONT=Arial,Helvetica][SIZE=-1]Note all 8 inch units use 28 spline axles[/SIZE][/FONT]
    [​IMG]
    [FONT=Arial,Helvetica]28 Spline Axle[/FONT]



    [​IMG]
    [FONT=Arial,Helvetica]31 Spline Axle[/FONT]

    [FONT=Arial,Helvetica][SIZE=-1]Note the concave oval area[/SIZE][/FONT]
    [FONT=Arial,Helvetica][SIZE=-1]in center of axle flange.[/SIZE][/FONT]
    [FONT=Arial,Helvetica][SIZE=-1]Early 28 Spline axles are tapered.[/SIZE][/FONT][FONT=Arial,Helvetica][SIZE=-1]Counter sunk holes in center[/SIZE][/FONT]
    [FONT=Arial,Helvetica][SIZE=-1]indicate a 31 spline axle.[/SIZE][/FONT]
    [FONT=Arial,Helvetica][SIZE=-1]31 Spline axles are uniform in diameter.[/SIZE][/FONT]



    Source: Internet. I have always heard this story.
     
  7. mean_maverick

    mean_maverick Senior Member

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    my versailles rear has 28 spline axles but has the 3 little holes instead of the big oval :huh:
     
  8. mean_maverick

    mean_maverick Senior Member

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    well im going to go pick it up Friday so we'll find out then. i know the bed is shot, but the front bumper and grille look decent so it may have a good hood as well. we'll find out :D

    im wanting to go ahead and get it home and see if i can get the 302 to run. it's supposed to crank but no fire, so that's easy enough to fix.

    im not 100% for sure what year it is, but it has the 73-77 grille in it
     
  9. Joe Dirt

    Joe Dirt BBF life

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    most truck axles have the holes wether 28 or 31 spline. just food for thought

    heres a set of truck 28's with 3 holes that I sheared
    [​IMG]
     
    Last edited: Sep 16, 2009
  10. Jamie Miles

    Jamie Miles the road warrior

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    I'm more of a bump side fan myself. I've got a dent side though I got from Terry. I think it's a '78. Just have to give him back the built 351W that's in it.
     
  11. mean_maverick

    mean_maverick Senior Member

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    im like you. i had a '79 once and would like to have another. they're one of my favorite body style Ford trucks
     
  12. Andysutt

    Andysutt '72 Comet GT

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    Like they said, its most likely a 28 spline.

    Those are good trucks. I miss my 76.
     

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