Q: I have a z71 that has been using regular oil, can I change to synthetic oil? Is there a benefit?
I just bought a Chevy 4x4 LTZ Z71. The prior owner has been using regular oil. Can I change to synthetic oil and what are the benefits to do so. We live in the up state of South Carolina where the summer reach 95-100 degrees and the winters get down into the single digits. It has a 5.3L V-8 with 115,000 miles on it.
My car has 115000 miles.
My car has an automatic transmission.
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