I drive an 09 Tacoma with a V-6. One third city, two thirds rural driving. Have 250,000 miles, no oil loss or smoke. Have been using Mobil 1 5W-30 for last 220,000 miles with an 8000 mile OCI and Hastings filter (if I remember to look at the little sticker). Now that this engine has reached old fahrt status, is there any need to shorten up on the OCI? Thank you.
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