.[quote=RapidusMaximus]No mention of overdrive, did they come with it in 85? With no overdrive that 4:10 gear is going to be a beating. [/quote

I bought a 1980 D200 in 1982. It was a heavy 3/4 ton (9900 gvw). It had the 360 with a thermoquad, automatic, and 4.10 gears. The speed limit was 55mph then. If I kept it right on 55, I got 10 mpg with the Belvedere on an open trailer. It only had an 18 gallon tank. I could make a round trip to Muncie on a Saturday night and have just enough gas to get to the gas station the next morning.