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History 1932 flathead vs other 21 stud engines

Discussion in 'The Hokey Ass Message Board' started by atch, Oct 1, 2025 at 10:08 AM.

  1. atch
    Joined: Sep 3, 2002
    Posts: 6,338

    atch
    Member

    I have many flathead pix stored in my computer. All 21-stud engines are in the same folder. 1932 engines have 21 studs. At least the pix of Henry standing by a '32 engine show 21 studs. How do I differentiate '32 engines from other 21 stud engines? I made a 1932 folder but don't know which engines go there and which go in the 21-stud folder.

    It looks like the water outlet comes out the front of '32 engines. Do any other 21-stud engines have the outlet there?

    There must have been some drawbacks to the '32 engine since they only made it one year. What caused them to change the design?

    tia
     
  2. alchemy
    Joined: Sep 27, 2002
    Posts: 22,509

    alchemy
    Member

    32-34 had the divots on the front of the block between water outlet and cam gear cover filled in. And the 32-only feature that gives them away from any other year is the water spigots on the bottom front corners of the block point straight down. 33 and up pointed at an angle.
     
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  3. proartguy
    Joined: Apr 13, 2009
    Posts: 794

    proartguy
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    from Sparks, NV

  4. atch
    Joined: Sep 3, 2002
    Posts: 6,338

    atch
    Member

  5. atch
    Joined: Sep 3, 2002
    Posts: 6,338

    atch
    Member

    So, if you're looking at a pic of an engine installed in a vehicle and you can't see the downward facing water spigots are there any other distinguishing features that identify 32 vs later engines?
     
  6. alchemy
    Joined: Sep 27, 2002
    Posts: 22,509

    alchemy
    Member

    At a glance (or in a photo), a 32 looks just like most other 21 studders with the water pump in the head. But be assured, most of them, even the ones in 32’s, are not the original 32 engine. They are a rare bird nowadays.
     
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  7. rusty valley
    Joined: Oct 25, 2014
    Posts: 4,276

    rusty valley
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    Aluminum oil pan too, no?
     
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  8. alchemy
    Joined: Sep 27, 2002
    Posts: 22,509

    alchemy
    Member

    Pan could have been switched out or on. Lots of other particulars specific to 32. I thought he meant block only.

    Other items: water pumps, coil, dipstick, carb, generator, intake, fuel pump, air cleaner, fan

    A lot of restorer info for a hot rodding website. Are we not men? We are resto!
     
    Last edited: Oct 1, 2025 at 3:29 PM
    LOU WELLS likes this.
  9. atch
    Joined: Sep 3, 2002
    Posts: 6,338

    atch
    Member

    What I'm looking for is identification from the pix I have on my computer. Most will not show the items mentioned above; nearly all of my pix are in hot rods so carb, generator, etc., will most likely not be original.

    Here's a typical pic. Can you tell from this pic if it's 32 or is it later?

    21 stud flathead 02.JPG
     
  10. alchemy
    Joined: Sep 27, 2002
    Posts: 22,509

    alchemy
    Member

    That one is later, as I can see the petcock pointing slightly outward instead of straight down.
     
  11. Deuce Lover
    Joined: Feb 15, 2009
    Posts: 1,199

    Deuce Lover
    Member

    Also,On the front of the block between the water inlet and motor mount threaded holes is smooth on a '32,no cavity. The link in post #3 has pics.The second pic shows the front of the block.That is all you need to quickly ID a 32 V8 block.Post #5 ,first pic shows the post 32 block with the cavity's. The very early '33's had the smooth front also BUT the petcock ports were angled.
     
    Last edited: Oct 2, 2025 at 12:06 AM
  12. alchemy
    Joined: Sep 27, 2002
    Posts: 22,509

    alchemy
    Member

    Ok, frenchie is correct, I was wrong in post #2. The divot next to the cam cover is a 32-33 thing, not 34. Otherwise, he agrees with the easiest way to tell a 32, the petcock drains in the front corners point straight down.
     
  13. atch
    Joined: Sep 3, 2002
    Posts: 6,338

    atch
    Member

    Unfortunately very few of my pix show the front of the engine...
     

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