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Oil change interval
1990 Mazda RX-7

Oil change interval

(1990 Mazda RX-7)
How often should the oil be changed?
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Popular Answer
on November 24, 2010
3-5K for conventional oil. Up to 8K for premium synthetics. Pull the dipstick and if th eoil is darker then a good Amber Ale then it's time. The dirt on the oil gradually destroys the bearings. Happy Holidays.
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on November 24, 2010
3-5K for conventional oil. Up to 8K for premium synthetics. Pull the dipstick and if th eoil is darker then a good Amber Ale then it's time. The dirt on the oil gradually destroys the bearings. Happy Holidays.
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on September 13, 2010
3000 miles is a good#
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