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Old 03-31-2003, 09:26 PM
Vic Vicious
Posts: n/a
I use Mobile 1 15W50 year round in my '88 300 TE with 297,000 miles (southern Connecticut). I change the filter only every 5000 miles (and top of oil), and both the oil and filter every 10,000 miles.

I tried a lighter weight Mobile 1 in the winter, but oil consumption went up.
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