Factory Underside paint?

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crowe-t

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Does anyone know how the underside(of the floors) of the GMC Sierra trucks' cab and bed were painted from the factory? Were they factory body color misted over primer?
 

CalSgt

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1980
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Chevy K-10 Custom Deluxe
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My 1980 was black on the bottom of the cab and bed... Original body paint was like a metallic charcoal grey with a blue stripe

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bucket

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Pretty sure it varied from year to year and plant to plant. There were different sealers/primers and most likely different amounts of body color overspray.
 

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