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Hot Rods Flathead starter ?

Discussion in 'The Hokey Ass Message Board' started by JimSibley, Apr 22, 2025.

  1. JimSibley
    Joined: Jan 21, 2004
    Posts: 3,994

    JimSibley
    Member

    So, I have a problem. I need a new starter in my 51 merc powered t roadster. It seems sumple enough, but no! My starter is physically shorter than the starters that I bought to replace it with. Can anyone help me out? I just want to know how I can get a starter for it. Here is a pic to describe what I am up against. IMG_2903.jpeg
     
    chryslerfan55 likes this.
  2. manyolcars
    Joined: Mar 30, 2001
    Posts: 9,539

    manyolcars

    starter repair is simple with only two parts that wear, the brushes and the bushings. disassemble your starter, clean and examine all the parts to see what you need. install new brushes and bushings. nothing to it. lots of times a simple cleaning and they work again
     
    jet996, lostn51, chevyfordman and 2 others like this.
  3. big duece
    Joined: Jul 28, 2008
    Posts: 6,975

    big duece
    Member
    from kansas

    biggest pain in the ass is the 4 springs that hold the brushes, other than that they are simple. While it's apart, switch the fields to 12v, and your Bendix spring will thank you.
     
    jet996 and rusty valley like this.
  4. rusty valley
    Joined: Oct 25, 2014
    Posts: 4,184

    rusty valley
    Member

    stay away from that new fangled junk, Ford made good stuff
     
    jet996, flatheadpete and C69A like this.
  5. theHIGHLANDER
    Joined: Jun 3, 2005
    Posts: 10,590

    theHIGHLANDER
    Member

    Those drives look like the "Folo-Thru as found in later Ford stuff, probably early automatic trans cars. I went through similar grief on an FE not too long ago. The drives come off easy enuff, can they swap or are the motor shafts longer too? I bumped into that issue also.
     
  6. Jack E/NJ
    Joined: Mar 5, 2011
    Posts: 959

    Jack E/NJ
    Member
    from NJ

    Measure depth of bell cover to see if a longer snout will fit. Rear of starter must be tilted upward & toward block so snout clears flywheel while inserting.
     
  7. manyolcars
    Joined: Mar 30, 2001
    Posts: 9,539

    manyolcars

    I worked in a starter repair shop in 1964 and we used a piece of coat hanger bent into a hook to hold the springs back with one hand while inserting the brush with the other hand. There can be other things wrong, burnt up coils and bad armatures but often its just brushes and bushings
     
    Center of the Galaxie and jet996 like this.
  8. jimvette59
    Joined: Apr 28, 2008
    Posts: 1,142

    jimvette59
    Member

    I ordered a 12 volt &^%$ T bird starter and switched field, commutator and front bushing retainer. The T bird commutator did not have the wooddruf key in it.
     
    MARKDTN likes this.
  9. lostn51
    Joined: Jan 24, 2008
    Posts: 2,861

    lostn51
    ALLIANCE MEMBER
    from Tennessee

    I’m going to be converting my 51 Ford to 12v and I’m just going to keep the original starter and keep a spare bendix in the car for whenever I kill the one that’s on it.
     
    Truckdoctor Andy and alanp561 like this.
  10. e1956v
    Joined: Sep 29, 2009
    Posts: 2,545

    e1956v
    Alliance Vendor

    The two new starters you have pictured are Y block starters not flat head starters.
     
    AVater, seb fontana, Tim and 5 others like this.
  11. lostn51
    Joined: Jan 24, 2008
    Posts: 2,861

    lostn51
    ALLIANCE MEMBER
    from Tennessee

    I know this has probably been asked before a hundred times before but isn’t the high torque starters way better than the replacement 12v versions?
     
    GordonC likes this.
  12. e1956v
    Joined: Sep 29, 2009
    Posts: 2,545

    e1956v
    Alliance Vendor

    If you have converted to 12v the power master 92507 starter is a good choice
     
  13. theHIGHLANDER
    Joined: Jun 3, 2005
    Posts: 10,590

    theHIGHLANDER
    Member

    I've been told by a couple rebuilders that making a starter high torque is simply using thicker shims on the field coils. True or false?
     
  14. If there are any rural areas near you, check around for an "auto electric" type shop that would likely have experience rebuilding starters and generators for old tractors and other vintage farm equipment.
     
  15. gregsmy
    Joined: Feb 11, 2011
    Posts: 234

    gregsmy
    Member
    from Florida

    What about this style of starter?
     

    Attached Files:

  16. JimSibley
    Joined: Jan 21, 2004
    Posts: 3,994

    JimSibley
    Member

    These are flathead starters, I have a few flathead cars and I have used these before. My problem is that my 1927 t has a shorter front half on it and I am wondering why that is?
     
  17. big duece
    Joined: Jul 28, 2008
    Posts: 6,975

    big duece
    Member
    from kansas

    The new ones look like Y block applications
     
  18. big duece
    Joined: Jul 28, 2008
    Posts: 6,975

    big duece
    Member
    from kansas

  19. e1956v
    Joined: Sep 29, 2009
    Posts: 2,545

    e1956v
    Alliance Vendor

    If you are not concerned with looks or original appearance the gear reduction starter is the best choice of them all.
     
  20. e1956v
    Joined: Sep 29, 2009
    Posts: 2,545

    e1956v
    Alliance Vendor

    Not to my knowledge, it has to do with the number of field coil wraps.
     
    Last edited: Apr 23, 2025
    alanp561 likes this.
  21. F-ONE
    Joined: Mar 27, 2008
    Posts: 3,613

    F-ONE
    Member
    from Alabama

    OK
    The old starter is bolted to the starter plate. That plate must be used.

    The bendix end of the new starters (Aluminum mounting pad) must come off as it has to bolt to the flathead V8 starter plate.

    The two bolts that run through the starter also bolt to the starter plate.
    These two long bolts that bolt to the starter plate also hold it together. I always tape the starter together with masking tape just to hold it together. Once it’s bolted to the starter plate, I peel the tape off.

    I think you’ll find these starters are the same length once you get them on the starter plate.
     
    seb fontana likes this.
  22. rusty valley
    Joined: Oct 25, 2014
    Posts: 4,184

    rusty valley
    Member

    Early flathead starters have an aluminum end plate about an inch thick, then a shorter main section. Later, the end plate is only about a 1/4 inch and the main housing got longer. Not sure the year of the change, but yes they end up the same length.
     
    alchemy likes this.
  23. big duece
    Joined: Jul 28, 2008
    Posts: 6,975

    big duece
    Member
    from kansas

    I don't know where you bought the two new starters in the first pic, but they are not for flathead. The 91-02-5787 part number is not for 49-53 Ford/Merc. It's for 1954 and newer. I believe the 32-48 had the thicker alum end plate, and 8ba had the thinner alum end plate. '54 and newer had external mounting ears like the ones you posted pics of.
     
    rusty valley and F-ONE like this.

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