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1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

more 9 inch info?

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Old Mar 5, 2004 | 11:21 PM
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more 9 inch info?

Hello guys,
I recently purchased a full size 1966 Ford car 9 inch rear end. I have been reading the 9" axle info, and am a little confused.
The 9 inch I bought measures 58" backing plate to backing plate. Will this fit into the rear of my truck?

I talked to a guy at bobsf100, and he says it will be ok (Im relocating the spring perches) But I figured a little feedback from you guys wouldnt hurt.

55forder
 
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Old Mar 6, 2004 | 08:56 AM
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My guess is a qualified 'probably' but I'd do some measuring first.

Stock wheels will put your tires 1 5/8" closer to your box on each side. You'll have to check the clearance that you have now. The stock axle is 61 1/4" between backing plates.

If it looks to be too close you have the option of buying custom wheels with the needed backspacing.
 
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Old Mar 7, 2004 | 09:04 PM
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Hi 55Forder.

If the axle came out of a Mustang, Cougar, or Ranchero then it will be short enough. The full size cars had a slightly wider axle.

What front-end do you have? We've been working on the documentation of a how-to for a Ford 9" with passenger car lug pattern. The basic plan is to use a F-100 9" and mid-70's intermediate driver side axle shaft for a drum brake setup.

I also have a disk-brake axle shaft from a big Lincoln that's the right length and the bearing retainer seems to bolt up to the F-100 axle just fine. I'll have to investigate bearing and collar fitment before the verdict is in on that lash-up.
 
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Old Mar 7, 2004 | 10:41 PM
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I am running a Volare front end. My stock Dana44 measures 61" backing plate, to backing plate. My ford 9 (which is I believe out of a full size) measures 58". I plan on going with a little wider tire in back, with backspaced rims. I think I should be allright. The numbers do seem too perfect to be true.
I have the 5 on 4 1/2 bolt pattern all around now.

Hmm, we will see. Tomorrow I am working on motor mounts.


55forder
 

Last edited by 55forder; Mar 7, 2004 at 10:43 PM.
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