BlueDevil Posted December 3, 2023 Share Posted December 3, 2023 Anyone know what manifold nuts were made of on a 1929 Model 75? Steel or brass? Link to comment Share on other sites More sharing options...
Narve N Posted December 4, 2023 Share Posted December 4, 2023 (edited) If they originally were brass, they must nowadays have been replaced on most cars that are in use? I checked the local Series 75 today and all manifold nuts were steel, but I have also seen a mix with brass nuts on other cars. Edited December 4, 2023 by Narve N (see edit history) Link to comment Share on other sites More sharing options...
leomara Posted December 4, 2023 Share Posted December 4, 2023 Another Chrysler unverifiable "take your pick" option..... Link to comment Share on other sites More sharing options...
ply33 Posted December 4, 2023 Share Posted December 4, 2023 23 hours ago, BlueDevil said: Anyone know what manifold nuts were made of on a 1929 Model 75? Steel or brass? 21 minutes ago, leomara said: Another Chrysler unverifiable "take your pick" option..... Got a parts book for the car? According to the 1928-33 Plymouth Master Parts List, the manifold stud nuts for my 1933 Plymouth were Chrysler part number 114547. Looking that up in the standard parts list the description is “3⁄8-24 (21⁄64 thick) Plain brass, free fit, regular hexagon nut”. So for my car they should be brass. I strongly suspect that would be true for the '29 Chrysler 75 as well. Link to comment Share on other sites More sharing options...
BlueDevil Posted December 4, 2023 Author Share Posted December 4, 2023 Ply33, I have one for a 72. I will check that vs what you have. Thanks Bill Link to comment Share on other sites More sharing options...
leomara Posted December 4, 2023 Share Posted December 4, 2023 A thousand pardons Effendi! I may have posted in error. Link to comment Share on other sites More sharing options...
ply33 Posted December 4, 2023 Share Posted December 4, 2023 1 hour ago, BlueDevil said: Ply33, I have one for a 72. I will check that vs what you have. Thanks Bill The parts database on my website is fairly complete for the "standard parts" (group 18 in at least some of the parts books). So even if your 72 uses a different nut than my car I may have the description of it for you. The look up is at https://www.ply33.com/Parts/numeric and you can search by part number, part type code or description. Or you can just go to the standard parts section at https://www.ply33.com/Parts/group18 and look for your part number. Link to comment Share on other sites More sharing options...
31 LaSalle Posted December 5, 2023 Share Posted December 5, 2023 My 1928 72 has brass manifold nuts Link to comment Share on other sites More sharing options...
BlueDevil Posted December 5, 2023 Author Share Posted December 5, 2023 Ply33, great site. Here is the part from my 72 book. Brass it is. Thanks Narve, Leo and la Salle. No listing for washers, just nut and stud. 18-AW 114547 3⁄8-24 (21⁄64 thick) Plain brass, free fit, regular hexagon nut 1 Link to comment Share on other sites More sharing options...
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