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05-27-2019, 02:57 PM | #1 |
Member
Join Date: Apr 2014
Location: Montana
Posts: 65
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9 inch ford swaps
I have ford nine inch 3.70 ratio in my 58 ranchero but they show lots of wear especially on pnion teeth so now I also have a 9 inch 3.25s out of a 65 ford f 100 and looks really good shape problem is there is no filler plug on that case and my housing under my 58 doesnt have a filler plug on the back the ring gear and pinions are different thicknes so I ask can i change the 3.25 gears with its own carrier or do i have to just trade the ring gear and of course the correct pinion match??
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05-27-2019, 03:26 PM | #2 |
Senior Member
Join Date: Jan 2018
Posts: 412
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Re: 9 inch ford swaps
My last 2 projects had the same situation.
I TIG welded a 1/8 pipe plug on the rear of the housing and on the bottom. |
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05-27-2019, 04:01 PM | #3 |
Senior Member
Join Date: Mar 2018
Location: Arkansas
Posts: 521
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Re: 9 inch ford swaps
You can swap out the pumpkin providing the axles have the same number of teeth.
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05-27-2019, 06:40 PM | #4 |
Senior Member
Join Date: Oct 2014
Location: NE Iowa
Posts: 1,661
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Re: 9 inch ford swaps
You can pour the correct amount of lube down the axle tube if you jack it up on one side. You will be ok unless you have a leak.
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05-28-2019, 06:56 AM | #5 |
Senior Member
Join Date: Jul 2011
Location: Birmingham, AL
Posts: 809
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Re: 9 inch ford swaps
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Bill, certified Ford nut. 2016 F-150 2016 Focus 08 Shelby GT500 57 Ford Ranchero 36 Chevy, 351C/FMX, 8", Mustang II |
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