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Crankster · 03-13-2018, 04:46 PM

What is the supposed benefit of an engine coolant product that will not boil till 375° F?

The engine will have long been reduced to scrap well over a hundred degrees earlier.

Some sort of stop-leak product was/is often added by OEMs at the factory, and I assumed perhaps wrongly that antifreeze-coolant contained small amounts of stop leak as part of the additive package.

03-13-2018, 04:46 PM	#41
Crankster Senior Member Join Date: Oct 2017 Posts: 563	Re: Water or Antifreeze ? What is the supposed benefit of an engine coolant product that will not boil till 375° F? The engine will have long been reduced to scrap well over a hundred degrees earlier. Some sort of stop-leak product was/is often added by OEMs at the factory, and I assumed perhaps wrongly that antifreeze-coolant contained small amounts of stop leak as part of the additive package.