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What about the folks that only drive 2-5K miles a year? Change it once a year?
Water and other contaminants can accumulate in your oil, so even if you're putting limited miles on oil, you should consider changing the oil and timed intervals instead. I don't drive much during the school year cause parking at my university is a JOKE, so I put maybe 4k miles a year on it, yet I change it every 3-4 months (3 months / 3k miles is the old standard for oil changes), and yes I use Mobil 1 full synthetic. You guys that drive your engines really hard should definitely consider changing at shorter intervals, say around 3-5k. Yes synthetic oil lubricates better, BUT engine shavings and contaminants will still accumulate in your oil. My dad's last car was 12 years old when he got rid of it (it got totaled, he got rear-ended), and when his mechanic pulled the heads off of it, he said it looked brand new inside. My dad is a fanatic and changes his oil every 2500 miles. So it definitely works. Just food for thought.
An Engineer told me once that the manual 3k recommendation is a joke to rip off customers. 10k or once a year what ever comes fist should be enough. I go with it!
You guys doing 3K and less miles on oil change intervals are seriously nuts. I'd say you were nuts on dino oil, you're INSANE on Mobil 1. Complete waste of money. You probabally throw day old milk out?
how often do you really change your syntetic oil?
