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  1. J

    2.2 Ecotec Recommended Oil For Consumption Issue

    Thanks for the add. I have a 03 Olds Alero with the 2.2 and I am currently using Rotella T with it using a quart to a quart and a half about every 1,000 miles. Would a 20w50 possibly help ? Engine currently has 219K miles on it.
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