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Mar
11
comment What differences between synthetic and dino oil?
That is a big huge debate full of myths, half truths, obscure references, etc. All things being even, most people will agree synthetic because of the less impurities and consistent product. But there are a whole lot of disagreements on if it is ok in older vehicles, vehicles that have lived their lives on organic. Then you'll get into whose brand is better as they all use different formulas and additives.
Mar
11
awarded  Teacher
Mar
11
answered What differences between synthetic and dino oil?
Mar
11
answered Are there any alternatives to the OEM muffler for a Volvo XC90?
Mar
8
answered Reverse difficult to engage with manual transmission
Mar
7
awarded  Precognitive
Mar
7
comment How can I know if the right oil has been added to the vehicle?
In addition to what Cory said, if you don't trust the shop to be putting in what you asked for/they stated they would, then I'd suggest you find a different shop to take your car to.
Mar
7
awarded  Supporter