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Old 10-25-2000, 08:04 AM
johngray johngray is offline
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Join Date: Aug 2000
Posts: 82
The early and mid eighties diesels called for CD rated oil (now an obsolete rating). I suspect the newer SJ rated gasoline oils are better than the old CD oils in just about every respect. They don't have to neutralize sulphur as much because of current low sulphur fuel. You won't hurt your car by using them in a pinch although it's just as easy to use 15W40 oils.
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