Thread: 15-40 Or 20-50?
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wcc wcc is offline
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Join Date: Aug 2005
Location: Michigan
Posts: 3,334
I used Castrol GTX 20-50, but recently switched to Mobile 1 15-50 full syn. Since the switch a very small leak developed that will be addressed at the next oil change. It'll be an easy fix. I switched because of the heat range as stated above. FWIW my car has about 60k on it.
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Bill
Old 06-07-2007, 06:05 AM
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