The Spal 30102120 is a great fan that I used for a number of years. For our 90+ degree days and those times I've been stuck in slow traffic, I decided to add some cfm, and installed this Spal fan #30102113.
https://webstore.spalusa.com/content...02113_SPEC.pdf[/
Last year I was in a traffic jam that was miles long. 85 degrees ambient temp and I moved less than 2 miles in 25 minutes. The coolant temp never exceeded 90 degrees C.
Although it moves a tornado of air, there are several caveats in the manufacturer's description to consider.
https://webstore.spalusa.com/en-us/p...-12v-pksl.aspx