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.
What would happen if you "topped off" your coolant tank with 100% coolant (adding 3/4" to max level)??
If you reference the instructions on the rear side of the antifreeze container, there is typically a chart that correlates the freeze protection as a function of water to antifreeze mix. A 50/50 mix is typically the "optimum" mix for both freeze protection and engine cooling. Your anticipated operating climate should guide your decision on to what ratio of water to antifreeze you select.
