Topic: '34 Grille question


jretter    -- 11-06-2020 @ 8:15 PM
  On each side of the '34 grille, about 6-8" from the bottom, there is supposed to be a threaded insert or captive nut. I have an original grille that is missing those inserts, or whatever they were. I think the thread in them is supposed to be 1/4-20. Does anyone have an original grille that is not mounted and can send me a couple of photos, inside and outside, showing what those nuts look like? Thanks.


40 Coupe    -- 11-07-2020 @ 4:15 AM
  If I remember correctly they are "D" nuts and you can purchase them and install them your self. It does take a couple of special tools you can make at home. Try Third Gen Auto in Tenn for the nuts. When and if they fall out the remaining hole is in the shape of a D.

This message was edited by 40 Coupe on 11-7-20 @ 4:19 AM


jretter    -- 11-10-2020 @ 9:45 PM
  Wow!! I'm sure those are what I need. And the website for them has a number of other parts I can use. Thanks for your help.


krwilson5    -- 11-14-2020 @ 4:14 PM
  40 coupe, I'm working on a 36 front end assembly which uses a number of D nuts on the fender aprons where they attach to the fenders. I have the nuts but don't know how to "clinch" them. could you explain or put me onto an article that covers it and possibly the tools you mentioned? Thanks!


TomO    -- 11-15-2020 @ 9:13 AM
  Here is a link to an article on how to install them:

https://www.vintagefordforum.com/forum/model-a/technical-reference-chassis/72516-installing-d-nuts-clinch-nuts-d-nut

Basically the article states that you need to back up the nut and then strike the nut with a ball peen hammer to peen over the flange.

Tom


krwilson5    -- 11-15-2020 @ 3:28 PM
  Thanks Tom. It looks easy enough. Thanks also for the introduction to the site. It looks useful.


jretter    -- 11-24-2020 @ 3:14 PM
  40 Coupe, you were exactly right. They are D-nuts, and I got them from thirdgenauto.com. Great company to find out about. They bought Roy Nacewicz's operation after he died. Turns out Thirdgen was the supplier for most of Roy's hardware. The correct size is 1/4"-20, and I just finished putting them in by backing them up with a body working dolly and them flattening them with a body hammer and a tack hammer. Somewhat scary operation when you are doing something like that on a beautifully restored grille, but it went well. Thanks again for the tip! Jerry.


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