Navi's latest activity

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    Navi reacted to edyvw's post in the thread 0W-40 or 5W-40 only with Like Like.
    Run anything MB229.5! It doesn’t even have to be XW40. It could be XW30, but MB229.5 is a gold standard of approvals and it means...
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    Navi replied to the thread GM 0w-40, Super Tech 0w-40, M1FS 0w-40, and Supercar..
    I can say expertly quite a few manufacturing defects in this GM vehicle beyond the engine...:)
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    Navi replied to the thread 0W-40 or 5W-40 only.
    GM has a very big problem in that 30000 engines have already failed. So Im just guessing at what it costs GM...225 million for those...
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    Navi replied to the thread 0W-40 or 5W-40 only.
    There are many design features in my GMC I have not been pleased with. However Im stuck with this vehicle for now but this will be my...
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    Navi replied to the thread 0W-40 or 5W-40 only.
    GM has been requiring 0W20 I believe since the year 2015. Since that time there has been engine issues such as failed.lifters, burning...
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    Navi posted the thread 0W-40 or 5W-40 only in Passenger Car Motor Oil (PCMO) - Gasoline Vehicles.
    I have been humming and hawing on going thicker for a long time. A little while back I decided to rid my garage of the 0W20 and went...
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