Syntehtic oil change = $25, a regular one is about $12. Threee to four times per year, is what, $40-$50 ? Now 10 years later the motor still has no gunk, runs reat, and you spent $500 in ten years extra. Whas it worht it???
Me, personally, I change my oil (no kidding) in May, July, and September. Or about every 1500 miles. Hve no regrets doing that either...
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