When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I run 60 % water 40% coolant plus water wetter with 180 thermo...I MIGHT kreep into the 190s with the AC on idling...if I start moving..drops right on or just below 180
Running that high of a ratio of water:coolant significantly reduces your boiling point compared to recommended ratios.
The boiling point of a 10% mixture is only 10 degrees lower than a 50% mixture, however the better heat transfer properties of the leaner mixture with the WW keeps things nice and frosty.
Did some large hill climbs last weekend at 110 degrees, tomorrow in the desert we are expecting 110-116. Wish me luck!!