A higher concentration of coolant vs water is actually less able to keep your engine temp down. I'd go back to Jiffy Lube and ask the manager what is so special about their antifreeze that makes it work differently than all the others. <img src="/forums/images/graemlins/lol.gif" alt="" /> I'd stay 50/50.


Sean Strawmyer
Back and ready to rock...... crawl.

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