Do You Use Synthetic Oil In Your Big Rig?
View Poll Results: Use Synthetic Oil?
Voters: 2. You may not vote on this poll
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02-22-2005 02:37 PM by
Ric
If so, please specify your new old change interval.
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I change filters every 10,000 mi. and oil every 30,000. I send in a oil sample also and have never had a bad report. Knock on wood. I've been using Amsoil since 88.
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Every 350-400 hours on eng. Mineral Mobil Delvac.
Sintetic in tranny, and rears, every 250,000 miles.
