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14 bolt SF swap

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Old 07-19-2017, 11:59 AM
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Originally Posted by Chevy305
The 9.5 and 10.5 14 bolt axles share the same 3 3/8" axle tube diameters. How would those brackets not work then? A welder can easily fill in the 1/16" gap all around.
That's news to me...

And the 9.5 is not 3 3/8 either...
Old 07-19-2017, 07:46 PM
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Originally Posted by 1FastBrick
That's news to me...

And the 9.5 is not 3 3/8 either...
Lets let the ruler be the judge.

So here's my 9.5 14bsf from an '86 K20:




Here's my 2012 9.5 14bolt from my 6.2L 1500:



The Ruff Stuff brake backing plate brackets:



The center of the backing plate mounting bolts aligns with the outer diameter of axle tube. All three of them are identical at 3 3/8". I don't have a 10.5 FF on hand to measure but I do know that it is the same.
Old 07-19-2017, 10:55 PM
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Old 06-13-2019, 08:52 PM
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Originally Posted by Chevy305
Lets let the ruler be the judge.





So here's my 9.5 14bsf from an '86 K20:




Here's my 2012 9.5 14bolt from my 6.2L 1500:



The Ruff Stuff brake backing plate brackets:



The center of the backing plate mounting bolts aligns with the outer diameter of axle tube. All three of them are identical at 3 3/8". I don't have a 10.5 FF on hand to measure but I do know that it is the same.

did this work??
Old 06-14-2019, 10:13 AM
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Originally Posted by Eskimomann208
did this work??
Unfortunately life got in the way and never progressed beyond this. The parts are still sitting on the shelf. It'll get done eventually, the biggest hurdle is affording the larger 17" wheels and tires required to fit over the newer disks. I still have no doubt that these brackets will work for what I am doing.
Old 06-14-2019, 03:13 PM
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Originally Posted by Chevy305
Unfortunately life got in the way and never progressed beyond this. The parts are still sitting on the shelf. It'll get done eventually, the biggest hurdle is affording the larger 17" wheels and tires required to fit over the newer disks. I still have no doubt that these brackets will work for what I am doing.
Ok sweet I live about 1.5 hours from ruffstuff and can’t decide whether I want to space them or re clock them with new backing plate flanges
Old 06-15-2019, 06:10 PM
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Update
this is on the 10 bolt axle
and its backing plate to show how it lines up

Old 06-22-2019, 10:41 PM
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@Chevy305





Here you go sir
worked out quite well...
please ignore the messy garage
And poor lighting
I’ll take more pics tomorrow
Old 06-23-2019, 08:48 PM
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Works for me
Old 06-23-2019, 08:58 PM
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Came out great glad it worked out for you.
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