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i currently use mobil 1 sull synthetic 5w-30 oil in my 96 impala, is that a good oil to use in a stock motor or should i use vavoline etc. And also does the weight of the oil mater?? full synthetic or conventional ???
+1. German Castrol is good also, but no reason to change.Stick with the Mobil 1!
Bad advice. You don't need the ZDDP in a car with a roller cam. Also, the reason it was removed is because it is bad for cats. However, in a classic with a flat tappet cam and no cats, it is a great choice.I you want max wear protection, then you could try some Brad Penn oil. It contains the most ZDDP you can get in an oil (of which has practically been legislated out of all oils these days).
Peter, please expand on that statement if you will please, and provide the source for your reasoning if you did not come up with that conclusion on your own.Stick the the full synthetic oil and stick with the 5W30, any thicker and can cause lubrication issues, thinner may cause oil pressure issues from not being thick enough.
That is the common explanation and also the common mistake as it fits neatly into that explanation, not unlike the assumption that the '327' cast onto the LT1 block has something to do with the CI or 'family' of block, while in fact it identifies the particular foundry that cast the LT1 block.Winter.
So, that begs the questions.......How many different tests are there and what are their designations?.....The 'W' in fact just identifies the type of test that is conducted to determine the grade (weight) of a given oil......
I will disagree, and a quick google search will provide lots of support for my position.The 'W' in fact just identifies the type of test that is conducted to determine the grade (weight) of a given oil. As the '327' has nothing to do with the CI/family of the block, the 'W' has nothing to do with the season or temperature.
What does 'W' stand for ? This is the common terminology used to indicate a multi-grade oil. 'W' signifies the winter rating of the oil, showing that it will perform well in cold weather. The lower the number prefixing the 'W', the lower the temperature the oil can withstand. Thus 10W- indicates a lower viscosity at low temperature than 20W-. The second figure shows the viscosity at 100 C, which is close to the bulk oil temperature in most water-cooled engines.
Peter, please expand on that statement if you will please, and provide the source for your reasoning if you did not come up with that conclusion on your own.
I consider that a FALSE statement. Logic and dependable sources reveal that the first # listed as the grade/weight of the oil has no bearing on hot oil performance.
Sort of a trick question for the non-novice. though those that visit or are familier with what I consider to be the premier oil related information website will know this already.What does the 'W' as noted on the label represent?