slant 6 overheating

Wow Brit,.......slow down lol. Its beens like that day one. Usally i dont drive it far enough to over heat, but sometimes i do, like today. Gauge seems to work fine. Over heats to 200+, not good. I have not drain it, and it may need a new cap, never thought of that.
could be clogged? I guess i should investagate more. I was hoping for the majicial "go do this" and it was fixed. lol