Is it safe to switch between high mileage oil and non high mileage? Also would it be bad to put say QS Defy in my 2005 Malibu Maxx when the oils rating is for years up too 2004? Thanks.
Can you switch between HM and Non HM?
- Thread starter zeke1985
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HM is just additional additives. its fine in any car.
Not sure where you got your information can you expand on
Quote:
Oils rating for years upto 2004
But the generic answer is no issues. If its the recommended oil grade it shouldn't matter if its HM or regular.
Not sure where you got your information can you expand on
Quote:
Oils rating for years upto 2004
But the generic answer is no issues. If its the recommended oil grade it shouldn't matter if its HM or regular.
Last edited:
Possibly the Defy is SL rated not SM or SN ??
Quaker State defy is now API SN, the older API SL stuff is old stock.
Originally Posted By: 901Memphis
Quaker State defy is now API SN, the older API SL stuff is old stock.
Yep. That said, you could dump this stuff into a new car with 5 miles on it if you wanted without the risk of voiding a warranty or messing up o2 sensors.
That said, I will dearly miss the ALP SL QS Defy 10w30 version.
Quaker State defy is now API SN, the older API SL stuff is old stock.
Yep. That said, you could dump this stuff into a new car with 5 miles on it if you wanted without the risk of voiding a warranty or messing up o2 sensors.
That said, I will dearly miss the ALP SL QS Defy 10w30 version.
All the certified motor oils are compatible so mo problems
IMO, if I knew back then what I know now I would have ran VML in my engine from day 1. The benefits of preventing and most likely stopping leaks is a great selling point. I just like the fact that VML is a semi synthetic oil made by the best oil manufacturing company in the world, IMO, and is almost priced as a dino oil. How can you go wrong?
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