I am planning on replacing the stock front axle on my 55 F-100 with a dropped axle and have come across onf that was originally intended for a 51 F-1. Would it fit? Are they the same width? etc...

 

The F-100 axles are wider than the F-1 axles at the spring perches for sure.

 

If you still have the one for the 51, I am looking for one. Im pretty sure it is the same as my 49. Thanks.

Ben

 

Maybe this will help.
The 46-47 Ford axle is 50-3/4" King Pin to King Pin
29" center to center spring pad 1-3/4" wide springs
Kingpin size .8125 46-47 has no shock mount holes in axle
This axle can be dropped 4" overstock

The 48-52 Ford axle is 50-3/4" King Pin to King Pin
29" center to center spring pad 1-3/4" wide springs
Kingpin size .8125 48-52 has shock mount holes in axle
This axle can be dropped 3" overstock

The 53-56 Ford axle is 53-1/2" King Pin to King Pin
32-1/4" center to center spring pad 1-3/4" wide springs
Kingpin size .859 53-56 has no shock mount holes in axle
This axle can be dropped 4" overstock



The 57-60 Ford axle is 53-1/2" King Pin to King Pin
32-1/4" center to center spring pad 2" wide springs
Kingpin size .859 53-56 has no shock mount holes in axle
This axle can be dropped 4" overstock

I know this info because I drop axles .

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I am looking for a 51 dropped axle. May I ask where this one is if you decide not to use it. Price would be helpful too. Thanks ditz

 

Do I need a different drag link with a dropped axle? It would seem that the gear box is now closer to the axle. How about the tie rods clearing the springs?

 

You need "Dropped" tierod ends, and the steering arm needs to be bent down.

 

Dick I'm getting ready to install a 3" Dropped Axle in my 51. I have read some not so favorable things about the Tie Rod Drops. Also I see Speedway quit carrying them. My question is who is running them and have they had any bad experiences with them. Where is the best place to purchase them. Are they all the same or is some better than the others.

 

mid fifty quit selling them because the longer shaft would bend

 

I've used them a few time over the years, mostly because of the tie rod itself hitting the pan or another part of the undercarrage.
The ones that I used were reasonably well made and held up under some severe conditions inflicted on them by a speed crazed, space for brains, less then reasonable person.
I'll have to check and see who's carring them and where they're made.

 

Rod
Classic Car and Truck Brake, Steering and Suspension Parts

 

thanks Dick, I did actually see them and almost ordered them last night. But thought I should put the axle in and make sure I need them before I order.