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Old 02-21-2015, 11:18 PM   #4
Acorn
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Join Date: Jul 2013
Location: Winnsboro Texas
Posts: 367
Re: 3/4 ton rear coils on 1972 c10?

Stock c20 springs are the same load rate as heavy duty c10 springs. I can't find ithe links right now but if you search around here there are a few threads where people list different springs you can use.

Also if you don't want a stiff ride, you may coincided using helper springs
http://67-72chevytrucks.com/vboard/s...d.php?t=555869
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