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1940 Ford and Mercury convertibles

Discussion in 'The Hokey Ass Message Board' started by tomkelly88, Apr 19, 2013.

  1. As some of you know I have this 1940 Ford convertible I picked up at LARS last year, only thing is its missing almost all of the convertible top irons and structure.
    I've recently found a lead on a 40 Mercury convertible top close to where I live in Australia and I thought I'd ask the question:
    Is a 1940 Ford and a 1940 Mercury convertible top interchangeable?

    Comparing photos of the two look similar, the merc top doesn't seem as angular around the rear window and looks a little different across the top of the windscreen.
    Any advice?

    Attached Files:

  2. superjunkman
    Joined: Jul 21, 2006
    Posts: 965

    from Austin, TX

    I'll do some investigating.
  3. anyone else. bump to the top
  4. any one over there have the "Ford Green book" to check part numbers....

  5. Deucedreamer
    Joined: Jan 11, 2010
    Posts: 541

    from BC Canada

    Just by looking at the pictures, I would say no. They have different shapes to them and the side windows are a bit different.
  6. lump
    Joined: Nov 17, 2011
    Posts: 141


    I recently bought a 40 Merc convt parts car with LOTS of spare parts. And so I connected with my buddy who has a finished 40 Merc convt street rod. In the process of learning about my car, I was surprised to learn that the Merc is not the same size car at all. The wheel base is different, the body is both wider and longer too. Even the frames will not interchange, as I understand it.


    My buddy with the finished 40 Merc convt is a member here too, and lives within a few miles of my house. I'll have to see if I can remember his Jalopy Journal username, and forward this email to him for a more-educated reply.

    PS: No, we did NOT get a top with this car...but we did get a ton of 39-40 Ford and Merc parts, including Ford truck stuff. :)
  7. Olderchild
    Joined: Nov 21, 2012
    Posts: 476

    from Ohio

    The frame on merc's are longer. To my knowledge, the body is the same from the fire wall back . On my 47 merc the only difference i see is that the fenders are longer all the rest looks like Ford :mad: but mine is a sedan,i wouldn't think old cheep Henry would waste the money on separate tooling for the bows:D great score good luck........jack
  8. Can't say I have.
  9. WOW, that’s a great score!
    Thanks for the info. I've never had a good look at a real life Mercury convertible.
    Damn, thought I might get lucky with the similarities between the two. If I could get hold of this Mercury top I don't think I could bring myself to cut it up and make it fit, I imagine that they are as hard to find as the Ford tops.

    Like you Lump, I didn't realise that they were that different]Thanks for the help.

    Last edited: Apr 22, 2013
  10. Dak Rat
    Joined: Mar 8, 2006
    Posts: 442

    Dak Rat

    I'm afraid you will find that the '40 Ford convertible top is very different from the '40 merc. The green book will not list the top pieces, what you need is the body parts book that ford had for the '40 models--it contains all part numbers for both the '40 Ford and '40 merc cars, including the convertibles. These books are available in a reprint. Check with Mac's or Bob Drake for a copy.
  11. 1sic50h
    Joined: Feb 18, 2009
    Posts: 53

    from San Diego

    Do u by chance have a 39 or 40 Merc coupe roof need one for my 40 thanks u can message me . Please let me know thanks . Tony

    Posted from the TJJ App for iPhone & iPad
  12. lump
    Joined: Nov 17, 2011
    Posts: 141


    Sorry, Tony. We got LOTS of sheet metal for these cars, but no steel roof skins were among them. :( Wish we could help.
  13. Garry Carter
    Joined: Mar 11, 2002
    Posts: 576

    Garry Carter

    Having owned both a `40 Ford and `40 Merc coupe ... I know that just about all their dimensions are substantially different. I'm assuming the same is true for convertible bodies, and don't think convertible top bows/irons would be interchangeable without mucho modifications.

    Not saying it can't be made to work -- just expressing the strongly-held belief that you're not talking about a bolt-on swap.
  14. vert1940
    Joined: Aug 10, 2006
    Posts: 394


    the tops are definitely different on the merc...longer...wider...the windshield is sloped more....the latches on the winshield header are the same,i believe,but that is about it
  15. pasadenahotrod
    Joined: Feb 13, 2007
    Posts: 11,776

    from Texas

    The 39-40 Mercury cars have a longer wheelbase than the same year Fords. The extra length is in the center of the body.
    The 41-48 Mercury cars have a longer wheelbase than the same year Fords. The extra length is in the hood, front fenders forward of the firewall. The Bodies are the same as Fords.
    deucemac likes this.
  16. Aquaroscoe
    Joined: Apr 13, 2006
    Posts: 315


  17. lump
    Joined: Nov 17, 2011
    Posts: 141


    THERE he is! That's my buddy who owns the beautiful finished '40 Merc convt, and he is the one who really knows the difference between 1940 Fords and 1940 Merc's. Welcome, old friend!
  18. just was hoping some parts were the same...
  19. Chrisbcritter
    Joined: Sep 11, 2011
    Posts: 1,902


    Thanks to all who are posting the info - I have most of an old ITC 1/25 scale '40 Mercury convertible kit (minus the hood and rear bumper) and this will help me to make it look somewhat more accurate.
  20. 296 V8
    Joined: Sep 17, 2003
    Posts: 4,666

    296 V8
    from Nor~Cal

    The reality is very few things interchange between the two cars …. Almost nothing with the body
  21. Great info. Thanks guys much appreciated
  22. merccruiser
    Joined: Dec 1, 2013
    Posts: 2

    from Colorado

    I joined the forum this week, so late with a response: My '40 Merc convertible coupe has a 4 inch longer wheel base and is six inches wider at the cowl compared to the '40 Ford. Therefore not interchangeable. Good luck.
  23. KStewart
    Joined: Dec 17, 2009
    Posts: 46


    My 40 Conv. is stock. I am still trying to find parts that will improve it.It still got a long way to go before I am happy. It will go to my daughter when I am gone.

    Attached Files:

  24. old daddy
    Joined: Jan 26, 2014
    Posts: 3

    old daddy

    a 40 merc is about 8 inches wider in the middle than a 40 ford. However, they both used the same head light doors. That's it.
  25. chopmerc32
    Joined: Dec 31, 2008
    Posts: 114


  26. chopmerc32
    Joined: Dec 31, 2008
    Posts: 114


    I am looking for a 40 merc conv. project would you be intrested in selling the 40 Merc parts conv my # is 814 659 1000, the 40 merc is all together a different car no parts enterchangeable Dave
    deucemac likes this.

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