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#1 |
Amateur Rust Fighter
Join Date: Sep 2007
Location: Mankato, MN
Posts: 1,087
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PROBLEM SOLVED! See follow-up post below for solution.
The threads are severely messed up (beyond repair) on one of the rear shock studs on my '72 SWB leaf spring truck (2WD). Are these replaceable? If so, where can I find the replacement studs? Looked at the various FLAPS online (NAPA, AutoZone, etc.) as well as the usual aftermarket sources (LMC, ECE, etc.) and can't find a listing. Found the front studs at ECE but that's it. And if not, what are my options beyond finding a good donor? Any help is greatly appreciated! Brent
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Brent '72 Chevy SWB stepside - [ Build Thread ] '79 ChevMC SWB fleetside - [ Build Thread ] '64 Chevy SWB fleetside & '66 Chevy SWB stepside (waiting in the wings...) Last edited by brossow; 09-18-2008 at 07:25 PM. |
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#2 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Can I replace rear shock studs (leaf rear)?
i've bought shock mounting studs from speedway motors in the past
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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#3 |
Registered User
Join Date: Apr 2002
Location: New Carlisle, Ohio,USA
Posts: 1,404
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Re: Can I replace rear shock studs (leaf rear)?
I had one broken off. I ground down what was left, and then drilled the hole larger and used a shock mount for the front. Works great.
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#4 |
Licensed to Thrill!
Join Date: Apr 2006
Location: Northwest, GA
Posts: 1,673
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Re: Can I replace rear shock studs (leaf rear)?
In a set of KYB's I bought they came with them.
I suppose they are a common part really. Just find one with the diameter x length you need. Nothing too specific about it. I'll look and see if I still have those. If I do (and they are good for the rear) I'll send them up to you. DLB Last edited by Orange; 09-18-2008 at 04:19 PM. |
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#5 |
Amateur Rust Fighter
Join Date: Sep 2007
Location: Mankato, MN
Posts: 1,087
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Re: Can I replace rear shock studs (leaf rear)?
Solved my own problem with a trip to NAPA. Hanging with all their other "Help!"-type stuff was PN 650-1100 -- "Shock Absorber Bushing" -- that was identical to the original welded-in stud in dimensions and function. The shoulder fit exactly in the existing hole with absolutely no modification. Pics below show my solution. In a nutshell, I used a reciprocating saw to cut the old studs off flush, then used a grinder to smooth things out. No need to drill out the old stud since there's another hole available -- I'll just use the other hole and swap the brackets from one side to the other. Spent some time in the blasting cabinet followed by a coat of Rust Encapsulator. Will finish with a couple coats of Chassis Black tomorrow afternoon and bolt 'em up on Saturday.
![]() Thanks for all the input! Lessons learned: (1) sometimes going to a brick-n-mortar store beats the heck out of shopping online and (2) not every problem has an application-specific solution. ![]()
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Brent '72 Chevy SWB stepside - [ Build Thread ] '79 ChevMC SWB fleetside - [ Build Thread ] '64 Chevy SWB fleetside & '66 Chevy SWB stepside (waiting in the wings...) Last edited by brossow; 09-18-2008 at 07:22 PM. |
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#6 |
Registered User
Join Date: Apr 2002
Location: New Carlisle, Ohio,USA
Posts: 1,404
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Re: Can I replace rear shock studs (leaf rear)?
I tried that. The bottom of the shock will hit the differential, due to the angle of shock, making it difficult to mount shocks. After a little use, the bottom of the shock nearest the differential will become caved in.(potential failure?)
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#7 |
Amateur Rust Fighter
Join Date: Sep 2007
Location: Mankato, MN
Posts: 1,087
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Re: Can I replace rear shock studs (leaf rear)?
I'm not sure what you're talking about, I guess. The stud will be in the same position -- I'm just putting the bracket originally on the driver's side on the passenger side instead and vice versa. In effect I've just filled the unused hole.
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Brent '72 Chevy SWB stepside - [ Build Thread ] '79 ChevMC SWB fleetside - [ Build Thread ] '64 Chevy SWB fleetside & '66 Chevy SWB stepside (waiting in the wings...) |
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#8 |
Senior Member
![]() Join Date: Mar 2003
Location: Colfax-California
Posts: 8,553
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Re: Can I replace rear shock studs (leaf rear)?
been there, just be sure that the shock stud you put in stays tight. What I did on my 1 ton after the shock stud came loose and oblonged the hole was, I drilled out the hole from 1/2'' to 9/16 and continued the hole into the frame rail. Then I bought a 6-1/2'' bolt and brought it from the outside of the frame rail, and then tack welded it into place. Then purchased new shocks that had the 9/16 bushing on the upper end. I have pics I can post if anybody is interested
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#9 |
Registered User
Join Date: Apr 2002
Location: New Carlisle, Ohio,USA
Posts: 1,404
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Re: Can I replace rear shock studs (leaf rear)?
I wasn't aware you already had them out of the truck. I thought you were going to use the rear hole. Sorry to mislead you, or tell you wrong. If you're swapping them side/side, then you should be good to go.
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#10 | |
Amateur Rust Fighter
Join Date: Sep 2007
Location: Mankato, MN
Posts: 1,087
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Re: Can I replace rear shock studs (leaf rear)?
Quote:
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Brent '72 Chevy SWB stepside - [ Build Thread ] '79 ChevMC SWB fleetside - [ Build Thread ] '64 Chevy SWB fleetside & '66 Chevy SWB stepside (waiting in the wings...) |
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#11 | |
Not a bad nut after all..
Join Date: Dec 2000
Location: ND
Posts: 1,756
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Re: Can I replace rear shock studs (leaf rear)?
Quote:
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'05 Chevy 2500HD 4x4 '72 GMC LWB 4x2 driver '72 Chevy LWB 4x4 plow truck '71 Blazer 4x4 driver '70 GMC LWB trailer |
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#12 |
Amateur Rust Fighter
Join Date: Sep 2007
Location: Mankato, MN
Posts: 1,087
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Re: Can I replace rear shock studs (leaf rear)?
Here are a couple pics of my brackets reinstalled.
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Brent '72 Chevy SWB stepside - [ Build Thread ] '79 ChevMC SWB fleetside - [ Build Thread ] '64 Chevy SWB fleetside & '66 Chevy SWB stepside (waiting in the wings...) |
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#13 | |
Registered User
![]() Join Date: Oct 2006
Location: Evans, Colorado
Posts: 530
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Re: Can I replace rear shock studs (leaf rear)?
Quote:
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#14 |
Registered User
![]() Join Date: Jul 2009
Location: High Point, NC
Posts: 613
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Re: Can I replace rear shock studs (leaf rear)?
I know this thread is nearly 1 1/2 years old but I wanted to say thanks to you brossow for putting this thread together with a lot of informative pictures. I needed to help with my build so I searched and found this thread. These shock bolts/bushings you recommended worked like a charm.
Here is my thread if interested. Thanks again for the help. Last edited by silver7; 01-24-2010 at 10:42 AM. |
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#15 | |
Amateur Rust Fighter
Join Date: Sep 2007
Location: Mankato, MN
Posts: 1,087
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Re: Can I replace rear shock studs (leaf rear)?
Quote:
![]() Brent
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Brent '72 Chevy SWB stepside - [ Build Thread ] '79 ChevMC SWB fleetside - [ Build Thread ] '64 Chevy SWB fleetside & '66 Chevy SWB stepside (waiting in the wings...) |
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#16 |
Not a bad nut after all..
Join Date: Dec 2000
Location: ND
Posts: 1,756
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Re: Can I replace rear shock studs (leaf rear)?
Here are some observations I wish to contribute to this helpful thread:
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'05 Chevy 2500HD 4x4 '72 GMC LWB 4x2 driver '72 Chevy LWB 4x4 plow truck '71 Blazer 4x4 driver '70 GMC LWB trailer |
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#17 | |
Not a bad nut after all..
Join Date: Dec 2000
Location: ND
Posts: 1,756
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Re: Can I replace rear shock studs (leaf rear)?
Quote:
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'05 Chevy 2500HD 4x4 '72 GMC LWB 4x2 driver '72 Chevy LWB 4x4 plow truck '71 Blazer 4x4 driver '70 GMC LWB trailer |
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#18 |
Registered User
Join Date: Feb 2012
Location: Mission Viejo, CA
Posts: 1,856
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Re: Can I replace rear shock studs (leaf rear)?
great post. thanks. sure wish my bed was off so I could replace the bracket. Im going to just cut the stud and drill a hole while upside down on my head under the truck !!!
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#19 |
Registered User
Join Date: Feb 2012
Location: Mission Viejo, CA
Posts: 1,856
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Re: Can I replace rear shock studs (leaf rear)?
well it wasnt hard but it was kind of scary. The gas tank is a saddle tank on that side. And theres lots of sparks.
started here: ![]() cut that sucker off with the cutoff tool: ![]() Double security with goggles and face shield cause im a wuss. ![]() Drilled it out with a step bit. I really should have ground that down but I was just waiting for the gas tank to explode and the shock fit without twisting... ![]() keep away the rust ![]() Done. Only took me 4 hours. Im really slow... ![]() ![]() |
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#20 |
Amateur Rust Fighter
Join Date: Sep 2007
Location: Mankato, MN
Posts: 1,087
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Re: Can I replace rear shock studs (leaf rear)?
Good job! Fully functional and no one injured. :-)
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Brent '72 Chevy SWB stepside - [ Build Thread ] '79 ChevMC SWB fleetside - [ Build Thread ] '64 Chevy SWB fleetside & '66 Chevy SWB stepside (waiting in the wings...) |
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#21 |
Registered User
Join Date: Sep 2013
Location: Farmersville, TX
Posts: 238
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Re: Can I replace rear shock studs (leaf rear)?
Thank you, thank you, thank you!!!!!
I just learned today that this is an issue I have to deal with, you just saved me a metric $h17 ton of strife and worry.
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Grunt: 1971 C20 Custom Camper. Runs/Drives/Kinda stops. 350Ci, TH350. 4.10:1 D60. Eight Lug LWB is more better. Hell no its not fast! Donkey: 93 Nissan D21, the farm truck. My 1/2 ton SWB. The Indomitable Datsun. 1st BN 3rd MAR. '00-'04 ![]() |
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