F 1 brakes on 40 spindals

[barnnone51]

Have some f1 brakes. I have read the 53-56 brakes work. I have a 40 axle going on model A. Flat head powered. Any info would be Great! Was wondering if the 40 spindle will work?
Thanks George

[JSeery]

Not sure about the question, are you wanting to use F1 hubs and backing plates on 1940 spindles? The answer would be yes (with a little effort). Or are you asking about the rear axle, or both? What is the 53-56 reference?

53-56 are F100 & 49-52 are F1. Either will work, but you have to use the hub and drum as a set.

[paul2748]

I have an article (9 pages) about this swap that I can send you. Since it is so big, snail mail is best. Email or pm me your address and I will send a copy to you.

[TJ]

Yes the F-100 brakes will work on the 40 spindle. It requires and inner bearing and seal change. I have done this 3 different times. You use the 40 outer bearing and there is no need to change the outer or inner races. Use Koyo roller bearing #14116 for the inner bearing and National seal # 473440. The seal may be hard to find, but they do show up on e-Bay. You can also use Chicago Rawhide seal #15214. This change also moves your wheels inboard about 1/4".

[skidmarks]

Its easier with 42-48 square back spindles. Hose interference with the kingpin on 37-41 rpund spindles. If your replacing all the bearings and races with new speedway sold a kit with all of it and the seals

[42merc]

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'40 spindles will work with F1 or '53-'56 brakes with a bearing & seal change.
Speedway sells a bearing & seal kit for this application. I've used it, it works.
The '37-'41 round back spindles require a little grinding on the top to clear the hose.
Not a big deal.
'42-'48 square back spindles require no grinding.

[barnnone51]

Thanks All for your quick response !! This really helps. Kind of new to early Ford parts.You fellas have always been great on helping get my project rolling!