06-19-2017, 04:09 PM | #1 |
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Join Date: Dec 2011
Location: vinton va
Posts: 49
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57 ford 9in
can someone tell me if any< whats the differance in a 57 ford 9 in vs a 59 ford 9in or are they the same ?
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06-19-2017, 04:42 PM | #2 |
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Join Date: May 2012
Location: Queensland, Australia
Posts: 10,364
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Re: 57 ford 9in
All I know is that these 3 model Ford 9" Diffs are very popular with Hot Rodders, as they are the correct width to slot under an early Ford V8. Later models are too wide and need to be narrowed to fit properly. That is the reason that 57-59 Ford 9" Diffs are so sought after.
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06-19-2017, 04:53 PM | #3 |
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Join Date: May 2010
Location: now Kuna, Idaho
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Re: 57 ford 9in
57-59 are all the same width. But there are two axle/wheel bearing sizes. A "big" bearing (with larger diameter axle) used on station wagons and Rancheros, and a "small bearing" for regular cars. There may be exceptions for things like retractable hardtops and big block (352) in '58 & '59, not sure about that.
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06-19-2017, 10:05 PM | #4 |
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Join Date: Feb 2013
Location: Pittsford NY. USA
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Re: 57 ford 9in
Some guys like them because they don't have the 2 "dimples" in the back of the housing .
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06-19-2017, 11:33 PM | #5 |
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Join Date: May 2010
Posts: 124
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Re: 57 ford 9in
57's are smooth 58-59 have two dimples on the back of the pumpkin.
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06-20-2017, 07:42 AM | #6 |
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Re: 57 ford 9in
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06-20-2017, 01:40 PM | #7 |
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Join Date: Sep 2011
Location: Black Hills, SD
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Re: 57 ford 9in
Also worth noting is at least 2 different size of brakes. The one in my rpu is a small bearing 57, has the 1 3/4" wide drums and they are hard to find, no new ones that I could find. Even the shorter hold down spring nails aren't in any of the parts kits I looked at, all for the 2"
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