As Rodent pointed out the step-side truck bodies with a two tone paint was with the roof only painted a different color from the factory. Dealers were free to do something special if the customer requested. The factory did offer a few striping options starting around the '76 model year and this was done in white with striping on the hood, front fenders and doors, with additional striping on the flat surface of the rear fenders. This was an option on the midline Scottsdale model. The Scottsdale included the Silverado seats and bucket seats were an option but with rubber floor covering. Carpet was an extra cost option. The instrument cluster face was done in black plastic like the basic Custom model. The Silverado and the earlier Chayanne Super were the only ones with the simulated wood grain dash finish. The fuel tank and the optional duel tanks were mounted out board of the frame rails and did hang low enough that they could be partially seen from some angles. As for lowering the suspension this was normally done with replacement spindles that would usually give you at least two inches of drop. Many would add shorter front springs for an additional inch or two. The rear would either have longer shackles for an inch or two lowering in the rear. To make it any lower required , and kits to do this are still available, mounting the rear differential on top of the rear springs instead of the factory mounting below the springs. This would require what was called a "C notch" in the frame for clearance for the differential. I wish I had pictures of a few of the trucks I had owned from that era to show you what it would look like but I think if you went into Google and request pictures of the era of truck you're wanting to build you would have many examples to look at.