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Old 06-30-2001, 09:24 PM
intruder intruder is offline
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Join Date: Jul 1999
Location: Youngstown, OH
Posts: 150
I run 5W30 synthetic all the time, but it rarely gets above 30 degrees C here for very long. My '88 'vette used 5W30 all the time as recommended by GM.

What brand of oil filter are you using?
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