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Old 06-11-2015, 09:59 AM   #2
cadillac_al
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Join Date: Oct 2013
Location: Maine
Posts: 2,400
Re: Paint On Underside of 86 SWB Bed

All the 80's trucks I have seen have silver paint under the box. I will be using SPI red oxide on my 76 Camaro because that's what they were using in 76. I used MCU (moisture cured urethane) under by box. It has lasted better than anything else I have tried yet but still can't stand up to the liquid calcium chloride that we use on our roads.
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