Quote:
Originally Posted by undy
I've stayed away from the waterless coolant (Evans etc) as it doesn't have near the heat rejection capability of water/glycol. I don't feel I have enough redundancy in my cooling system to give up any capacity. I did look into it a year or so ago.
The saga continues...
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I hope you've found it...
I wouldn't dismiss the waterless coolant so quickly...
The waterless coolant actually allows you to run much higher engine temps with no damage since there's no pressure (your cooling capacity has actually increased, because your engine can run at 300+ deg now). Also detonation is all but eliminated in the cumbustion chamber since the steam pockets can't form in the water jacket (basically acting like an insulator, creating a "hot spot"). No more running on the rich side to keep detonation down. Aluminum heads help with this but don't eliminate it.
Not to mention no water, no eating the aluminum up.
There's a reason this stuff exists, water wasn't up to the job. You have to look beyond 10deg hotter temps to what's really wrecking your motor.
Water (like oxygen) is simply doing what it's supposed to do, erode and corrode stuff into simpler compounds.