Anyone use Redline Water Wetter Additive ?

[AlanMcR]

I think this stuff works in engines where the coolant passages (particularly around the pump) were poorly designed. That creates cavitation and reduces cooling. Not really an issue here.

[Lester Mayfield]

I've had really good luck with it in race cars and motorcycles. However, those applications also used a much lower ratio of coolant to water.