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#1 |
Registered User
Join Date: Mar 2018
Location: Buena Park, CA
Posts: 5
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70 Chevy C-20 rear suspension
As my username implies, I am legally blind. Im currently working on my first restoration. According to the Vin number, my truck is a three-quarter ton see-20 pick up. Having said that, it has a swing arm/coil spring rear suspension. Everyone I have spoken to has said that a three-quarter ton has leafspring rear suspension. In any event, because I want to switch to disc brakes, I have to change out the Full-floating rear axle assembly. Probably to a Ford 9 inch. While Im at it, I want to lower the truck by 2 1/2 inches. There is a slightly curved steel bar that attaches at the rear of the frame that acts as a suspension travel stop. It looks like a section of leafspring. Is there a way to adjust/Alter this suspension travel stop so when the suspension is lowered I have adequate suspension travel? Any words of advice would be greatly appreciated.
Thanks, DNBG Posted via Mobile Device |
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#2 |
67-72 parts collector,
![]() Join Date: Nov 2002
Location: Mid-MO
Posts: 22,698
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Re: 70 Chevy C-20 rear suspension
There were 3/4-ton coil spring trucks. Not all were leaf spring.
The travel stop you mention is an overload spring that can be removed if you want to lower it.
__________________
Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 Last edited by lolife99; 11-24-2020 at 09:11 PM. |
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#3 |
Senior Member
![]() Join Date: Mar 2003
Location: Colfax-California
Posts: 8,526
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Re: 70 Chevy C-20 rear suspension
Disc kits can be had with the full float. The Leaf eliptical spring is an overload that the 3/4s need if being used as a truck. It can be removed and sold off if you no longer need that part.
beat me to it............. |
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#4 |
Registered User
Join Date: Jul 2012
Location: Whitehorse yukon
Posts: 1,218
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Re: 70 Chevy C-20 rear suspension
If you want it to continue to be a 3/4 ton truck why put a halftone Ford diff in it
Dana 60 or h052 are stock in these trucks 73 to 87 14 bolt fit well for width There are disc brake options for all three diffs Captain fab on the board here makes a few diy brackets to convert to disc brakes Here is thread on the subject http://67-72chevytrucks.com/vboard/s...d.php?t=786391 http://67-72chevytrucks.com/vboard/s...d.php?t=183452 |
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#5 |
Registered User
Join Date: Jul 2012
Location: Whitehorse yukon
Posts: 1,218
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Re: 70 Chevy C-20 rear suspension
Hope your build goes well for you
Big undertaking for being visually impared Are you starting a build thread for us to follow? I never looked at lowering a c20 I am looking at my c10 as 3.5 in front with 2.5 drop spindle and 1 inch drop coils either 4 or 5 inch drop in the rear My aim is lower it so I can drive through tim Hortons or those damed parking lot speed bumps |
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#6 |
Registered User
![]() Join Date: Mar 2017
Location: Port Murray, NJ
Posts: 147
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Re: 70 Chevy C-20 rear suspension
If you prefer to keep your original full floater, you can check https://lugnut4x4.com/product-category/rear/ .
They have kits for the Dana 60, Eaton and many other. I’m using them for my Dana disc swap. Good luck with the build. |
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