Re: Change To Synthetic Motor Oil Or Not
changed to mobil 1 on our 1997 avalon at 126k miles (when we bought it.) zero oil leaks before the change to mobil 1. zero oil leaks after the change to mobil 1. oil is changed every 10k. currently 202k miles with zero oil leaks. when the tundra hits 40k, then i make the switch to mobil 1 with 10k change intervals.
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