It says full synthetic and it quite cheap at wal-mart.
seems like a pretty good one
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No it does not. Rotella T synthetic is a good oil for use in heavy duty applications, and that is what it is rated for. That does not mean you can not run it, but if you are worried about the proper oil in your 1.8t, then I would run an APPROVED 502.00 oil. If it says meets or exceeds 502, that is not the same as approved. I learned this from experience dealing with VW on sludge issues. If you have a Passat with the 1.8t, run either Castrol Syntec 5w-40 or Mobil 1 0w-40. I chose the more pricey ($10 per liter)Motul 8100 Etec 5w-40. And save all receipts for the oil and filter, and date everything. 1.8t's seem to be hard on oil, especially if the breather and PCV systems are not up to snuff. Even with synthetic, I would not go much over a 5k OCI.
Hope this helps.
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It says full synthetic and it quite cheap at wal-mart.seems like a pretty good one
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Can Shell ROTELLA® be used in gasoline engines?
Diesel engines are different from gasoline engines in a number of significant ways which also affect the properties required from an oil.
Gasoline engines use different fuels, run faster and hotter than diesels.
Diesels are renowned for reliability and long life, but this relies on the engine oil providing the protection against the type of engine wear and deposit formations specific to diesels engines and fuel.
Shell ROTELLA® T engine oils are developed with the diesel engine in mind, and also meet gasoline performance credentials.
Check your owner's manual for the correct API performance category for your engine.