Thanks Bill.
I tried the salt technique with the 65 I did earlier in the year, but it came out looking like splatter paint.... let's just say, it wasn't at all what I wanted. After staring at the thing for a week I thought about trying a theory. So I repainted it and for kicks tried it this way...
It all starts with Red primer. And you have to get good coverage with it. Then the color of choice.. Since all the old Chevy trucks had a green in the line, I went with Olive Drab for the flat faded look. After the whole truck is painted and dried out, I started hitting it with a 400 grit sponge. After I broke through the paint everywhere I wanted the rust to show through, I jumped up to 1000 and 1500 grit sponges and worked out the finer details. I looked at a lot of photos online and used what I could remember about relatives old trucks from my younger years. It ends up being A LOT of wasted paint. When I got where I wanted, I added Tamiya weather master powder to the spots I sanded all the way through. Waited a day or so and cleared the truck and the chrome tree in flat. Slap the kit together as much as you want... most of these I went curbside... Then on to adding the weather master powder to areas that needed more depth and color.
As I've added trucks to the "line", it became easier to work it out in my mind what to do and not. And, to me, they became a little better looking every one. And dang it, did I enjoy it to boot...
I'll see if I can't work up what I did and snap some pics along the way. Maybe it'll help somebody out..