R redhat Joined Dec 7, 2012 Messages 4,150 Nov 3, 2025 #21 Snagglefoot said: I recommend Prestone Dexcool. I have been running it in my 2008 6.0 LS engine, changing it every 5 years. The truck has 280,000 miles, and has the original rad, water pump and heater core. Click to expand... Honestly you can not argue with those results. You are proof the clean well maintained coolant helps keep pump bearings nice.
Snagglefoot said: I recommend Prestone Dexcool. I have been running it in my 2008 6.0 LS engine, changing it every 5 years. The truck has 280,000 miles, and has the original rad, water pump and heater core. Click to expand... Honestly you can not argue with those results. You are proof the clean well maintained coolant helps keep pump bearings nice.
