Thread: Super coolant
07-03-2013, 04:54 PM #1
07-03-2013, 06:18 PM #2
well. heres what I think about it:
many places top off the system with water. so your alcohol percentage goes down because it gets diluted. I think all this would be is concentrated anti-freeze that has a higher boil point and freezing protection.
Even though water absorbs heat better than alcohol. it suffers through other disadvantages compared to "antifreeze" mixes which fight off those disadvantages. ex: Boil point increases to 136ºC as oposed to 100ºC. as well as lower the freezing point.
I took these figures off a bottle of antifreeze, which indicated 136ºC at 70% coolant. Compared to 129ºC at 50%.
in brief, alcohol absorbs water quicker and releases the heat faster than water.
pure alcohol would make the engine run cooler. but it evaporares overtime leaving behind contaminants.
Anti-freeze also has other products in it that inhibit corrosion from all of the incompatible metals inside the cooling systems and lubricates pumps.
hope I helped.
07-03-2013, 06:44 PM #3
BRP suggests 40% coolant, 60% distilled water. Or 50/50 premixed coolant. Add some water wetter too!
07-03-2013, 07:29 PM #4
You should try a product called engine ice it's made for motorcycles it works really good but expensive
07-03-2013, 07:31 PM #5
water is actually worse because it stores heat, so even though it absorbs it slowly,it also releases it slowly. seeing as the thermostat opens up at 180ºF which is 82ºC I rather have more of a safe zone before the coolant starts boiling over.
So personally I would not go below 50-50.
But as a safe tip, replace the coolant periodically. the alcohol evaporates and leaves water behind because its harder to evaporate, so coolant that was 40% coolant last year; can become 30% this year. which becomes easier to boil. Top up with antifreeze mix or concentrate. not water.
07-03-2013, 07:40 PM #6
open loop = super coolant
07-03-2013, 08:08 PM #7
No doubt about that......but........
07-04-2013, 10:16 AM #8
07-04-2013, 10:22 AM #9
i tried water wetter on my ski,no noticeable diff in performance, i didn't measure temps though.
07-04-2013, 03:03 PM #10
I run 75% distilled water to 25% antigreenshit. Water pulls more heat out and in FL, especially in a garage you don't have to worry about freezing. It's for longevity and better cooling. You will NOT notice a performance difference with changing ratios.
Basically ask the local knowledgeable racers what mix they run and you're safe to run the same.
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