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Old 12-12-2003, 03:19 PM
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gsxr gsxr is offline
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Join Date: Aug 2001
Location: USA
Posts: 8,104
I switched all my cars to Mobil-1 15W-50 (or Delvac-1 5W-40) when I bought them, at 189kmi, 204kmi, and 229kmi. No problems, but I did see benefits... quiet valve lifters, cleaner internals, better MPG, easier cold starts, etc... YMMV...
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