Re: How to tell a c-20 from a c-30
Im not sure if I have ever seen a 3/4 ton dually. I would bet its had a cab change if anything. I would look up one ton parts and see if that helps you get the right parts.
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1974 C25 LWB: 454 4bbl Carb / TH400 / 3.73
1992 Camaro RS 305 TBI
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