Thermostat: 160 vs 180 Apr 1, 2015 6:04:48 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Deleted on Apr 1, 2015 6:04:48 GMT -5 MHO, do as you wish, a 70 yo block that is known for it's cracks will have a 160 if I own it!. $hit happens north of 200 deg. And I am not going there. Lee