alsyj - That is one thing I didn't think of. I'll take a look at the new thermostat as well.
And maybe it could be my previous "junk", but I always thought that if a system has a reservoir, and you force the fluid inside the system to move (as in squeezing the hose), you should see the fluid level rise, or slosh around. I think I may have used the incorrect word when I said "bubbles". I guess one of the questions I was trying to figure out, is if my radiator should be completely full to the actual cap? To me, it seems odd, that the upper radiator hose has no fluid in it, but the radiator is full to the cap. I am in no way an expert. Just wondering if I should be concerned about anything before I try taking in out on the trails, and find out halfway through a mudhole somewhere. Thanks.