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Old 09-18-2019, 01:15 PM   #3
rpmerf
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Join Date: Feb 2011
Location: Parkville, MD
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Re: 72 C20 Front Lowering Springs

From what I've seen, there are 3 types of springs. If you search around for putting half ton springs on a 3/4 ton truck, you will find some threads with spring rates and such.

Spring types:
1/2 ton regular
1/2 ton heavy duty
3/4 ton regular
3/4 ton heavy duty

1/2 ton heavy duty and 3/4 ton regular are the same spring rate and installed height.
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1970 C20 Custom Camper - 350, TH350
1997 GMC Suburban
1994 Acura Integra GSR
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