| from autozone: STP: $2.99 AC Delco: $3.49 Fram: $3.99 Bosch: $5.99 Mobile: $11.99 K&N: $14.99 why the heck is there such a price discrepency and is the premium really warranted if the oil and filter are changed on a regular basis? also on a side note, can synthetic oils run longer than 3000 miles before a change? thanks.
mike zxredline@yahoo.com
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