Thread: engine oil weight
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Old 03-04-2001, 10:00 AM
ichabod ichabod is offline
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Join Date: Mar 2000
Location: Savannah, GA
Posts: 180
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Just curious if there is any advantage or benefit to using a heavier weight oil, say 20/50 as opposed to 10/30. The engine is a 400, 350+hp. The GTO is driven only in the Summer months, May-Nov. I live in ME. Thanks.

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