Thread: is 20/50 oil really needed on a fresh engine
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E Sully E Sully is online now
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Join Date: Nov 2008
Location: NY
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In the original drivers manual, Porsche specified straight 30wt summer, 20wt winter, and 10wt below 5 degrees farenheit. I have used 10w-40 in the cooler weather.
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Ed
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Old 10-09-2013, 05:18 AM
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