Thread: Castrol Edge? is it a new Syntec?
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Old 09-21-2011, 04:14 PM   #16
Frodo
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Join Date: Mar 2007
Location: Ohio
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Reviving an older thread...

A related question: I've still got a couple quarts of the "old" Syntec. Any opinions as to whether mixing it with the new Edge with Syntec Technology would be an OK idea?
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