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      11-30-2012, 11:36 PM   #5
John 070
Lieutenant General

Drives: 335i cpe
Join Date: Oct 2006
Location: ZSP/ZPP/ZCW

Posts: 11,483
iTrader: (0)

Maybe times have changed, but a 50:50 mix is good to -34F, not C. And if you go beyond 70% antifreeze, you actually reduce the anti-freeze and anti-boil. Who the heck knows, I was always better at physics than chemistry.