yep its 210-220 all the time it got to 225-230 one time but itwas super hot out i have tried a 160 180 and no stat does not change anything with no stat it takes longer to get hot but then i think it wants to get hoter i was going to try a high flow pump but some say that could make it worse thank you again.oh and my guage is a mechanical and its in the top of the manafold stock location.