Recent content by Tanner

  1. T

    Appropriate oil for high mileage GM 5.3

    Yeah never used HM oils in any vehicle I've owned but will consider it if I don't continue M1 0w40. I consider a 25% reduction in oil consumption seems a reasonable improvement from a motor oil swap alone. I didn't even consider a 10w oil because I heard so many things comparing it to the...
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    Appropriate oil for high mileage GM 5.3

    Thanks, I haven't touched the PCV valve. Recently had the added expense of a battery, alternator, knock sensor and tires so I haven't done any other maintenance other than what was required. No oil leaks at all, and I added one quart most recently but don't know the exact rate its burning at but...
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    Appropriate oil for high mileage GM 5.3

    Hey I'm a long time reader of the site but never always answered my questions by reading others posts. After reading several posts from other members I'm still uncertain. I have an 06 Silverado 5.3 with 178k miles. Owned since day 1, mostly highway miles always serviced with M1 5w30 an...
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