Quote:
Originally Posted by Jupiter Rover
so based on that article p76rangie, you are saying that it does not matter what oil we use according to ZDP amount because newer oils are the same as 1950's oils.. but with ash-less antioxidants, so to speak
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The article was not written by me, I only copied and pasted it on this forum. The article was written due to the spread of the myth about newer oils being bad for old motors. It was written by SAE and they should know what is required of oil and the reasons for various changes over the years as they are the ones that set the standards.
So you can simply weigh up the opinion of the SAE against Elemental and other experts. Then you can make up your own mind what to use. But I would leave the diesel oils for diesel engines.
