Quote:
Originally Posted by twistoffat
Oil change once a year or 3k miles which ever comes earlier
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That said, The owner's manual of my '72S called for every 10,000 or once a year, and that was when synthetics were just entering the game. The '72 owner's manual also called for single weight oil.
I would suggest you drive the car more...at least 20 minutes per month. And DO change once a year.
Since you use mobil one, you probably got away with it...this time.