66' built in March 66', W is Marlin Blue, u150 is 4300lb gvw, 798 is front bucket seats and full top, C is 3sp manual transmission, 03 4.11 open, 510444... the 51 is Denver sales area, and the 0444 is a special order number
Thanks for the help. Glad to know I was correct on my guesses on color and powertrain.