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#1 |
Registered User
Join Date: Sep 2010
Location: Boondox, AL
Posts: 41
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How does the factory rear bar mount? Is it bolted to the axle tubes and frame as i have seen on other vehicles? If I could get my hands on a factory bar how easy would it be to put it on my 87 R10? Any pics or info would be greatly appreciated. Thanks
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#2 |
Registered User
Join Date: May 2008
Location: Spokane, Washington
Posts: 596
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Re: Factory Rear Sway Bar
The only "factory" rear sway bar came on 73-87 C30 dually pickups and on some 73-80 C30 single rear wheel trucks with the camper special package. No other 73-87 model was available with a rear sway bar from the the factory.
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#3 |
Registered User
Join Date: Sep 2010
Location: Boondox, AL
Posts: 41
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Re: Factory Rear Sway Bar
Thanks for the reply. If I found one would it just bolt on or would I have to fab brackets?
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#4 |
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Join Date: May 2008
Location: Spokane, Washington
Posts: 596
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Re: Factory Rear Sway Bar
If you found one from a C30 you would need to replace your ubolts with the square style, opposite position of the round one and add the axle plates like a 1 ton has on the bottom of the axle. It would be much easier to install a new hellwig rear sway bar than try and install one from a c30...IMO.
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#5 | |
72 BB C30 Super LongHorn
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What all do I need?
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#6 |
Registered User
Join Date: Sep 2010
Location: Boondox, AL
Posts: 41
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Re: Factory Rear Sway Bar
Does sound like it would be less of a headache to just go aftermarket. From what I have read it also seems to be difficult to find a factory setup (kinda makes me want a factory bar more). Is there a company that sells the square u-bolts?
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#7 |
Registered User
Join Date: May 2008
Location: Spokane, Washington
Posts: 596
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Re: Factory Rear Sway Bar
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#8 |
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Join Date: May 2008
Location: Spokane, Washington
Posts: 596
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Re: Factory Rear Sway Bar
Anyone who builds springs makes ubolts. You can even buy them from napa.
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#9 |
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Join Date: Jun 2010
Location: Pittsburg, KS
Posts: 953
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Re: Factory Rear Sway Bar
A rear sway bar off of a c30 will not fit on a c10/20 because the spring pads are mounted closer together on a c30 than on a c10/20. You won't be able to adapt a c30 rear sway bar easy at all so it is best to go with an aftermarket.
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#10 |
Registered User
Join Date: Sep 2010
Location: Boondox, AL
Posts: 41
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Re: Factory Rear Sway Bar
Found a rear bar at pull-a-part yesterday evening. Got lucky someone had already taken the rearend and just left the sway bar hanging by the end links. Got the bar, u-bolt brackets, and round spacers that go between the u-bolt bracket and plate for 28 bucks. Didnt realize the springs were closer together on a C30. I guess I will have to knock the dust off of the old tape measure today and see if it will work on my truck. If not I made the trip worthwhile by grabbing a beefy 1.25'' front bar also!! Are the u-bolt plates the same on a C30 and C10?
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#11 |
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Join Date: Feb 2012
Location: Clarksville, TN
Posts: 41
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Re: Factory Rear Sway Bar
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#12 |
72 BB C30 Super LongHorn
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I found this image online for the 1-ton trucks.
I believe that there are 2 different dually rear axle widths. Ive wanted to do this to my C/20 and have seen a few trucks using this.
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#13 |
72 BB C30 Super LongHorn
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Location: Chavez Ravine
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Re: Factory Rear Sway Bar
Can someone post a good image for the 10-bolt truck rear sway bar; Factory & aftermarket?
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#14 |
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Join Date: Sep 2010
Location: Boondox, AL
Posts: 41
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Re: Factory Rear Sway Bar
I will try and post pics as soon as I get new bushings and find some u-bolts and u-bolt plates.
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#15 |
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Join Date: Dec 2011
Location: Arlington WA
Posts: 1,728
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Re: Factory Rear Sway Bar
i saw a rear sway bar on a g20 van and the pick n pull today that i am temted to get. let us now how it handles after you put the bars on
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#16 |
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Join Date: Jun 2009
Location: Oroville, CA
Posts: 4,827
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Re: Factory Rear Sway Bar
I parted a 77 K10 and it had a rear sway bar, but it was missing the bracket to the axle.
It looked factory. Maybe it was retrofit years ago. |
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#17 |
Next!
Join Date: Jan 2003
Location: Eastern Pa.
Posts: 2,480
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Re: Factory Rear Sway Bar
Factory parts book showing rear sway bar
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#18 |
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Re: Factory Rear Sway Bar
Are you showing that for reference? It looks to be the breakdown for a C/K 30 DRW assembly. AFAIK GM never offered a rear sway bar on a C10 truck.
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#19 | |
72 BB C30 Super LongHorn
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Re: Factory Rear Sway Bar
Quote:
Would the 3/4 C/20 Trucks use the same C/30 sway bar we all have shared above? It would be cool if there was a GM drawing showing the 1/2 ton units. This thread still needs to work towards showing what a 1/2 ton C/10 would get. ![]()
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#20 | |
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Join Date: Jan 2003
Location: Eastern Pa.
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Re: Factory Rear Sway Bar
Quote:
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86 K30 CUCV M1028A1 86 K30 CUCV M1028a2 dually 86 K30 C&C 6.2 4:56s, 4M, 11,000 gvw, ex fire truck, now lowboy dump More square bodies and CUCVs than I care to admit to 2020 Silverado K3500HD Work truck |
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#21 |
72 BB C30 Super LongHorn
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Re: Factory Rear Sway Bar
Can you share a pic with us how it looks installed on your truck?
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#22 |
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Join Date: Jan 2003
Location: Eastern Pa.
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Re: Factory Rear Sway Bar
On an 86 K30 CUCV with a dually Dana 70 rear. Truck needs to be cleaned underneath!
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86 K30 CUCV M1028A1 86 K30 CUCV M1028a2 dually 86 K30 C&C 6.2 4:56s, 4M, 11,000 gvw, ex fire truck, now lowboy dump More square bodies and CUCVs than I care to admit to 2020 Silverado K3500HD Work truck |
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#23 |
Registered User
Join Date: Nov 2004
Location: Long Island NY
Posts: 293
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Re: Factory Rear Sway Bar
anybody notice a difference with the sway bar added?
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#24 |
72 BB C30 Super LongHorn
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what do you guys think of this?
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#25 |
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Re: Factory Rear Sway Bar
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Tags |
bar, rear, sway, sway bar |
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