Alex Ross Posted January 13, 2023 Share Posted January 13, 2023 i am replacing the old running boards since they are half rotten and falling apart, and i am wondering if the steel plates on the underside of the existing running board is original. I can transfer it to the new one, but i am not sure what it was for. the board on the driver side has 2 plates on the bottom of the board, the passenger board has no plates. thanks for help! Link to comment Share on other sites More sharing options...
JFranklin Posted January 13, 2023 Share Posted January 13, 2023 I think you need those to hold the attachment bolts. Link to comment Share on other sites More sharing options...
Alex Ross Posted January 13, 2023 Author Share Posted January 13, 2023 the brackets that hold up the board are in different locations, it could have been used to hold some sort of strap for a tool box or something, but it seems to be in an odd location, i will post more pics, maybe this board was repurposed and the plates made sense in a totally different application? 1 Link to comment Share on other sites More sharing options...
Hubert_25-25 Posted January 13, 2023 Share Posted January 13, 2023 I have never seen a plate like that on the bottom of a Buick running board. It is not in the book of parts either. Hugh 2 Link to comment Share on other sites More sharing options...
JFranklin Posted January 14, 2023 Share Posted January 14, 2023 (edited) When I was a kid I used to go to the junk yard and use whatever looked like it would fit. I doubt I would have taken the time to remove those brackets unless I thought I could use them somewhere. looking again at the board you show, I don't see any other way to attach it. Edited January 14, 2023 by JFranklin (see edit history) Link to comment Share on other sites More sharing options...
Oldtech Posted January 14, 2023 Share Posted January 14, 2023 I kind of suspect they were a re-enforcement for a bad board and off something else. Link to comment Share on other sites More sharing options...
Fr. Buick Posted January 14, 2023 Share Posted January 14, 2023 Maybe to hold straps for a running board accessory? Link to comment Share on other sites More sharing options...
Morgan Wright Posted January 14, 2023 Share Posted January 14, 2023 What he said ^^^^^^^^^^^^^^^^^^^^^ Link to comment Share on other sites More sharing options...
Terry Wiegand Posted January 14, 2023 Share Posted January 14, 2023 Here is something to think about. There should be saw kerfs about 1 1/2 to 2 inches apart on the bottom sides of the running boards. This was done on the boards when the cars left the factory. This was done to keep the boards from cupping due to driving in the rain on a wet roadway. Now would certainly be the time to do this while the boards are off the hangers. I can post a photo or two to show how this looks on our '16 D-45. Terry Wiegand South Hutchinson, Kansas AACA Life Member #947918 Link to comment Share on other sites More sharing options...
Mark Kikta Posted January 14, 2023 Share Posted January 14, 2023 here are a couple of photos of the underside of my original 1922 running boards. You can see the grooves cut in the underside. 3 1 Link to comment Share on other sites More sharing options...
Larry Schramm Posted January 14, 2023 Share Posted January 14, 2023 (edited) Here are the bolts that you use to attach your running boards to the vehicle brackets. https://www.google.com/search?q=elevator+bolts&client=opera&hs=Hvo&sxsrf=AJOqlzVmOIxTBmhCh0-PeAcDcjT-uUgj-A:1673719159221&source=lnms&tbm=isch&sa=X&ved=2ahUKEwiFo8Hf0cf8AhUNlGoFHZ_sBCcQ_AUoAnoECAEQBA&biw=1709&bih=854&dpr=1.1 Edited January 14, 2023 by Larry Schramm (see edit history) Link to comment Share on other sites More sharing options...
Alex Ross Posted January 17, 2023 Author Share Posted January 17, 2023 excellent, thanks for all the help & pics folks, here is another pic of the underside where you can see the bracket locations and the steel plates, most likely those plates had some other use prior to the board being a running board 1 Link to comment Share on other sites More sharing options...
Hubert_25-25 Posted January 17, 2023 Share Posted January 17, 2023 Those plates are stamped to allow a carriage bolt to be slid in, and the slot prevents it from turning as you tighten the nut. Space the holes in what ever was attached to roughly the distance of the outside distance between the slots, and you have a decent attachment for something that could be easily removed. Not a Buick part though. Link to comment Share on other sites More sharing options...
dibarlaw Posted January 18, 2023 Share Posted January 18, 2023 Could be for a luggage carrier or the 3 can carrier, Water/gas /oil. Running boaard underside of a friend's all original 1925-45. Link to comment Share on other sites More sharing options...
Alex Ross Posted January 18, 2023 Author Share Posted January 18, 2023 makes sense, thanks..... here is the new ash being fitted up 6 Link to comment Share on other sites More sharing options...
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