Crazy question... am I going to fit?

[jayoldschool]

I'm close to closing a deal on a 65 C10. Here's the deal: I've never been in one! Before you die laughing, it's not a big deal, I've wanted a truck for a long time, and this one is a good deal. I've owned classic cars my entire life, so buying one from a distance doesn't freak me out. If I stick with the in cab tank, and it's a 3spd manual with the deluxe wheel, I'm wondering how well I'm going to fit in it. I'm 6'7", wear a 36" inseam. Not bulky, though, I'm usually around 220lbs.

Any tall 60-66 owners out there than can give me some advice? Also, can I gain any leg room by getting the tank out from behind the new seat?