JR,
I found out a little bit of info on the numbers that I mentioned I would check for you in my books. I posted it over at your other thread on "Hood Latches".
I just checked over at Jolly's site myself and could not find much at all over there for your truck. I want to point out that it may be a little confusing as even though your truck is the new style "HM", they also still made the older style Conventional Cab that year as well in '66. They are actually designated as the "F" Model, but everyone just knows them as the '60 to '66 style.
If I missed something over there or if you can find out any other info, just let me know.
Bill
