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Spring plate U-bolts
#1
I'm getting ready to replace the leaf springs, shocks, shackles and spring plates. I still need spring plate U-bolts. I measured the outer diameter of the 9in axle tube and it measured at 9 inches around. How do I figure out what size U-bolt I need? Thanks..
From what I can see, it falls in at 2.886" which falls in right between 2 3/8 and 2 9/16..
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#2
Seriously? Nothing?
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#3
I brought new springs and shackles from CJ just ordered the kit for a 9in easy peasey.

He has all the vices I admire and none of the virtues I despise
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#4
Ok. I got a set from total control but they didn't come with U bolts. I called around but was told I had to measure the axle tube because they changed in '73..
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#5
Contact these people. http://www.eatondetroitspring.com/contact/
They will get you what you need the first time. Chuck
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#6
I would double check your measurements and calculations. By my calculations a 9-inch circumference equals 2 7/8 inches diameter.

I would use calipers to measure it, removes error potentials.



“If you can't explain it simply, you don't understand it well enough.”
--Albert Einstein
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#7
I've got an extra set, I can measure up this afternoon. They are draped over the axle tube under the workbench in the garage.

Ron
Rusty, a 1973 Mach 1, needs a lot of work.
Billy, a 1976 Ford Bronco, also needs a lot of work.
El Guapo, a 1986 F150, frame-off Resto-Mod.
Bubba, my 1994 F150, daily driver
Formerly, a 1973 Ford Mustang Coupe - a work in progress, then a car-b-qued banana.
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#8
I measured the axle tube and the outside diameter on mine was 2.805 where the spring perch sits. I measured the shock mount that the U-bolt runs through. They sit 2.75 inches between them, and on the outside edges are 3.668 inches. The U-bolts are .329 inches in diameter. The inside measurement was 3.141 inches and outside was 3.800 inches. Installing just requires a little squeeze to fit into the holes. I hope that helps.

Ron
Rusty, a 1973 Mach 1, needs a lot of work.
Billy, a 1976 Ford Bronco, also needs a lot of work.
El Guapo, a 1986 F150, frame-off Resto-Mod.
Bubba, my 1994 F150, daily driver
Formerly, a 1973 Ford Mustang Coupe - a work in progress, then a car-b-qued banana.
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#9
Thank you. I appreciate it..
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