GMT 900 Trucks General Discussion 2007 - 2013 Trucks | General Discussion

Rear shock bolt size?

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Old Sep 2, 2014 | 03:06 PM
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Default Rear shock bolt size?

I need to confirm the diameter of the rear shock bolt at the shank.
I think it is 14 mm.
Can anyone confirm?
I am installing Calvert Racing shocks,it is looking like I may have to drill out the metal bushings out a bit.
Thanks
Dom
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Old Sep 2, 2014 | 06:06 PM
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Keep this updated I have a set in my garage to install also.. Thanks
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Old Sep 13, 2014 | 09:57 AM
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Originally Posted by milkey57
Keep this updated I have a set in my garage to install also.. Thanks
Drilling the Calvert bushings to 14mm did the trick.
Dom
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Old Sep 29, 2014 | 10:30 AM
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Did this actually work?

My measurements are that the threaded portion is 14mm-2.0 pitch. The shank is actually 1/2"

Having a devil of a time finding a sleeve that's correct. I'm trying to replace the bolts with true 14mm bolts, but I can't find the correct size sleeve. (14mm ID x 19mm OD)

-----------------

I guess if I drilled out my 1/2" ID x 3/4" OD sleeves, that would work, but I'm trying to find an off-the-shelf solution for everyone encountering this issue. (That would be anyone installing Calvert Racing, Viking, QA1, AFCO, etc shocks with factory mounts)

Last edited by bigsapper; Sep 29, 2014 at 10:37 AM.
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Old Sep 29, 2014 | 08:02 PM
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Originally Posted by bigsapper
Did this actually work?

My measurements are that the threaded portion is 14mm-2.0 pitch. The shank is actually 1/2"

Having a devil of a time finding a sleeve that's correct. I'm trying to replace the bolts with true 14mm bolts, but I can't find the correct size sleeve. (14mm ID x 19mm OD)

-----------------

I guess if I drilled out my 1/2" ID x 3/4" OD sleeves, that would work, but I'm trying to find an off-the-shelf solution for everyone encountering this issue. (That would be anyone installing Calvert Racing, Viking, QA1, AFCO, etc shocks with factory mounts)
Yes it worked,they are installed.
Dom
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Old Sep 29, 2014 | 08:39 PM
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You're a great conversationalist. Has anyone told you that?



So you don't hear any bumping/banging going over speed bumps?
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Old Sep 30, 2014 | 07:41 AM
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Originally Posted by bigsapper
You're a great conversationalist. Has anyone told you that?



So you don't hear any bumping/banging going over speed bumps?
LOL,face to face you can't shut me up!
I hate typing...
I have only driven the truck a bit,it is an on-going project and not plated yet.
No issues that i can see or feel
Dom
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Old Oct 26, 2014 | 01:56 AM
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One more question if you could answer...where did you get the drill bit?
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Old Oct 26, 2014 | 09:53 AM
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Originally Posted by bigsapper
One more question if you could answer...where did you get the drill bit?
I actually did them on the lathe at a friends machine shop,he had the bit.
Dom
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