Join Date: Jan 2006
Location: Northern California
Thanked 2,576 Times in 2,074 Posts
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All that stuff does is break the surface tension of the water/coolant so that it adheres to the metal of the engine better and "possibly" removes more heat along those surfaces. It can work but its not a sure thing. Actually it was required in the older Powerstroke diesels because they had a problem where the spike of compression would cause the cylinder walls to cavitate where there was air pockets of coolant. Eventually boring a hole in the cylinder wall.
'01 2500 Sport 4x4 5spd w/Fastcoolers, Mag-Hytec, EZ, RV275's, 4" w/o muffler, South Bend, Steering brace, aFe, 2 lo kit, Isspro Boost, FP, and EGT on pillar, Westach Trans/Diff temp gauge in dash pod, Raptor 100 w/ 1/2" line, Pac Brake, Rancho 9000, 285's