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Old 05-30-2019, 07:51 PM   #22
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2006 GTO Owner

Join Date: Jan 2019
Posts: 250

Originally Posted by The Black Mongoose...View Post
Originally Posted by Nothubertjfarnsworth...View Post
You have to consider you have a lower boiling point with less coolant and more water, as well.

water boiling point is 212*F, 50/50 boiling point is about 223*F. the cars run at about 212, so with 10% antifreeze ill still be above that, granted not by much. I've had good success with the 70/30, maybe ill just keep it at that, ill have to do some research

The boiling point raises under pressure. Boiling point raises 2-3 degrees per lb of pressure. So 18psi cap would raise it up to 266ish

Last edited by Sacrifice; 05-30-2019 at 07:55 PM.
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