10w-60, my reasoning. An Explanation.
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Joined: Oct 2001
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I have an oil analysis (Dutch Scoobyowner) from various Imprezas 98-99-00-02 tuned or standard and different oils/mileages!
The conclusion is 5W/50 oils give the best protection all year round for our cars with 5-10W/40 in second place!
JIM
The conclusion is 5W/50 oils give the best protection all year round for our cars with 5-10W/40 in second place!
JIM
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IWatkins
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Apr 22, 2003 11:44 PM
