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Old 09-05-2020, 08:24 PM   #1
bjk2dr
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Default 1939 to 1940 brake conversion

How much is involved to put 1940 brakes on a 1939.
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Old 09-05-2020, 09:32 PM   #2
19Fordy
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Default Re: 1939 to 1940 brake conversion

All 1939 Fords had hydraulic brakes. They are the same as 1940. Should be interchangeable parts.
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Old 09-05-2020, 09:36 PM   #3
tubman
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Default Re: 1939 to 1940 brake conversion

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Originally Posted by 19Fordy View Post
All 1939 Fords had hydraulic brakes. They are the same as 1940. Should be interchangeable parts.
The drums are different ("Wide-Five" vs 5 X 5 1/2), but they are still interchangeable.
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Old 09-05-2020, 09:38 PM   #4
JSeery
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Default Re: 1939 to 1940 brake conversion

Assume you are wanting to go from the wide-5 to the 5 x 5 1/2 inch rims? Should just have to change out hub and drum assys.

Last edited by JSeery; 09-05-2020 at 10:48 PM.
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Old 09-05-2020, 10:42 PM   #5
rich b
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Default Re: 1939 to 1940 brake conversion

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Originally Posted by JSeery View Post
Assume you are wanting to go from the wide-5 to the 5 x 5 1/2 inch rims? Should just have to change out the drums and/or hubs and drums. If the drums are swaged to your current hubs, then you will have to cut the swaged area out with something like a thin hole saw. Or if you can get the hubs and drums just switch them out.
Wide 5 hubs and 5-1/2" hubs are totally different; you can't mix drums between the two.
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Old 09-05-2020, 10:45 PM   #6
JSeery
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Default Re: 1939 to 1940 brake conversion

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Wide 5 hubs and 5-1/2" hubs are totally different; you can't mix drums between the two.
You are 100% correct! One of those days!! The bolt pattern is in the hub,

Edited the first post, thanks rich.
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Old 09-06-2020, 03:09 AM   #7
V8COOPMAN
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Default Re: 1939 to 1940 brake conversion

.

Just to be clear for bjk2dr.......All you have to do is swap your four 1939 hub/drum assemblies for four 1940 - 1948 hub/drum assemblies. DD
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