Not to hot on the cooling system. I changed the water pump and thermostat during my timing belt swap. After flushing the system, I filled it back up. I ran the car for a few with the engine at a somewhat higher RPM then checked and refilled. I was watching my temp gage and would see it jump as if it were sticking. I have never paid any attention to the gage in the past so I dont know if this is normal. Also the heat didnt seem to reach what it had been in the past, straight up dead center. After driving it around the block and letting it sit a bit in the drive it didnt reach the 1/2 way mark. Could the engine be hotter than what the heat gage is telling me? I dont want to drive it to work in the morning and have something go wrong on me.