Revisit - Pink or Blue Antifreeze

Where are you?
It will depend on how cold it gets in your area. The Blue is usually -100, the pink is -50.

If it mixes with any water, the rating will go up in the temperatures it will protect against as it gets diluted.

So if you live in WI, and your temps can get in the zub-zero range, and you use -50(pink stuff) and when you winterize. If there's any water that may dilute it, maybe it's only protecting to -15-20?

In Western WA, where I live it rarely get's below 20 degrees F, so the pink will be fine for me.
 
You mean it's not related to my presidential choice???

Someone did some kind of testing with the pink, diluting it 50% with water and then they put it in a freezer (around 0 ). It was slushy. Then they were able to take it to work and test it in a cold environment and it was still slushy down to something like 25 below. Any body remember that? Was it on this board or some "other" board? Maybe it was on SRO?? Maybe I'm still in that "just winterized" hallucinogenic state and none of it ever happened??
 
Sundancer said:
You mean it's not related to my presidential choice???
Click to expand...

IT IS!!! If you vote for McCain, the world is going to be 50 degrees warmer due to global warming, and you won't need to winterize at all. :smt021
 
Around here, we regularly go to -10F or colder every winter. I'd recommend -100 for this area. I've heard the pink will get slushy at 20...it's just not worth it... and many times it dips well below the -10 mark (I remember in feb '79, it never got above 0 for > 2wks.)

-VtSeaRay
 
I use the pink -50. If you buy an antifreeze tester from a good auto parts store that is calibrated for propylene glycol, you'll find that the -50 is actually good to -28 before it starts to freeze. At -50 is when the stuff starts to expand and cause damage.

Now -28F is fine for the northeast. Some people say "what about dilution with water that's left over in the engine?" Good question! I collect the antifreeze that spills out of the faucets, engine, and air conditioning. Then I test each sample, if it tests to about -28F, it's good. Otherwise I run more though the system, but that never has been necessary. No point spending more money on -100 when it is simply unnecessary.

Best regards,
Frank
 
Based on the data for my area from Environment Canada:

TempData.jpg


The pink stuff will be fine for me. I suggest you look up the historical data for your area and decide which is appropriate.

Cheers,

Randy.
 
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