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04-23-2024, 11:57 AM | #1 |
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Brake drum question
I bought what I was told were 46-48 front and rear brake drums with hubs. The drums were out of spec so I used a 5/8 hole saw to remove the the studs and separate the drums from the hubs. So far, so good. I went to order replacement drums and realized the center hole in the replacement drum is 3 1/4". The center hole in the old drums is 4". Not sure what I have. Any thoughts?
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04-23-2024, 12:48 PM | #2 |
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Re: Brake drum question
On earlier hubs and drums the drum fits over the hub. On later assemblies the drum fits on the inside of the hub. The drums are different. I think the early ones have the smaller ones and the later ones have the larger hole.
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04-23-2024, 01:23 PM | #3 | |
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Re: Brake drum question
Quote:
Coop . |
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04-23-2024, 03:45 PM | #4 |
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Re: Brake drum question
Good to see you here Coop !
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04-23-2024, 07:48 PM | #5 |
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Re: Brake drum question
Thanks, Bud! I'm moving along one day at a time here.
DD/Coopman . |
04-23-2024, 10:51 PM | #6 |
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Re: Brake drum question
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04-24-2024, 05:13 AM | #7 |
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Re: Brake drum question
Ecklers have the later drums but holy --- they are expensive.
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04-24-2024, 11:40 AM | #8 |
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Re: Brake drum question
Don't get me started about Ecklers. My peev with them goes back to the early 1990s with Corvettes. They're in it for the money, and good at that, for sure!! No improvement since that time. Example - the "Mac's" fiasco. Coop . |
04-24-2024, 01:21 PM | #9 |
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Re: Brake drum question
Good to know anyways that they are at least available now. Maybe won't be long before others are selling them and maybe at a lesser price.
Anybody know who they're made by? Anybody tried them? - Last edited by Randy in ca; 04-24-2024 at 01:50 PM. Reason: added picture |
04-25-2024, 08:21 PM | #10 |
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Re: Brake drum question
C&G Ford parts has the drums.
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04-26-2024, 02:44 PM | #11 |
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Re: Brake drum question
C&G has a bolt-on replacement drum for the '46-'48 drum on '46-'48 hub? Coop . |
04-26-2024, 03:02 PM | #12 | |
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Re: Brake drum question
Quote:
from (Argentina?) and if they more accurately machined than the ones that were available previously. https://cgfordparts.com/rear-brake-d...ml#description |
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04-27-2024, 02:53 AM | #13 |
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Re: Brake drum question
Just today discovered that Bert's in Denver also has them listed for a much lower price ($150) than the others above:
A-2520-B BRAKE DRUM CAST IRON USA MADE 1942-1948 FORDS The picture they show with these is the same generic one as shown for the 40-41's they show a different part number for. They're not open until Tuesday now when I'll try to confirm that these have the correct 4" center opening. https://modelastore.com/hydraulic-br...oduct_id=18538 - |
04-27-2024, 01:00 PM | #14 | |
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Re: Brake drum question
Quote:
Coop . |
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04-29-2024, 05:50 PM | #15 |
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Re: Brake drum question
Got an email back from Steve at Bert's today:
"Yes, these 42-48 drums have 4" hole for use with hub mounted on the outside of the drum, unlike earlier ones mounted behind the drum". Steve |
04-29-2024, 06:43 PM | #16 |
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Re: Brake drum question
do these drums and hubs need to be held together same as the model A
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04-30-2024, 12:56 PM | #17 |
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Re: Brake drum question
I will guess that the studs hold the drum on the hub as originally done with the drum behind style. I have one car with the early 40 style drum over the hub that I can run the drum loose as like a modern car does with no trouble
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05-01-2024, 12:32 AM | #18 |
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Re: Brake drum question
Bert's also lists splined studs to use with the 4" center hole drum. Not mentioned whether the stud holes need to be reamed a little larger or if they're correct as is. Alternately one can use the original style of studs which would need swaging to hold them in place.
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