Download Orthos. Run it for 2 minutes and see your load temps. If it doesn't exceed 60C, leave it for an hour or more if you can.
Orthos also checks your CPU stability.
...just ran orthose for roughly 8 mins (7:58 to be exact) and it only gets up to 44c, which is 111 degrees F.. not too shabby for the stock fans and stuff i guess