Nice truck!!! Personally I would repaint in those colors, I think it looks great. Cummins and a 5 speed, I like. I think once you would go over the stock brakes I really don't think you would want to swap them out. Otherwise have at it. Just keep mama happy while you're doing it....
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72 GMC C2500 402/Th400 first truck (still have)
77 GMC C3500 CC dually Sold
70 C50 dump truck "Rusty"
87 K10 Suburban Sold
93 K2500 xcab 6.5TD
96 GMC K2500 Suburban 6.5 TD