There is an answer to a question in the latest Consumer Reports that has me confused. The question is “Is a certain percentage of synthetic motor oil required for an oil to be called ‘semi-synthetic’?” The answer is “No, standards for oil are based on performance, not formula.” First of all, I do…

I have never seen a container of motor oil labeled 'Semi-Synthetic"…You are confused because the subject of your thread does not exist…However, “Synthetic Blend” products do exist, more a factor of shelf-space than anything else since NO car maker requires “synthetic blend” oil. If a car maker has …

I have never seen a container of motor oil labeled 'Semi-Synthetic"…You are confused because the subject of your thread does not exist… There are a few oils that are labeled “semi-synthetic.” ‘Lucas’ is one of those brands you would see if you googled it. But it’s really just a matter of how the …

Consumer Reports should stick with washing machines and house paint durability… “Synthetic Blend” motor oils are a USELESS product. The consumer has no way of telling what the “blend” is, what the percentages are, or what the seller was trying to achieve by mixing mineral and synthetic base stocks.…

Wasn’t that more or less what CR said?

If Joe Guy was confused before, he is going to be REALLY confused by the time this thread plays out…

I would step up, spend the extra $4-$5 for the full synthetic product and get all the benefits of the full synthetic product… I have a feeling the price difference between mineral oil and synthetic oil will continue to narrow until price is no longer a factor when making a purchase decision… I LOV…

I didn’t think 0w oils were available in anything other than 100% synthetic

Back in the 80s Shell brought out their Syn-arctic 0W30 motor oil. It was semi-synthetic, meaning about 50% synthetic to meet the very cold starting needs in the North. I was priced midway between regular mineral and full synthetic, which not commonly available at this time. The present definition …

Then there are part synthetic oils. Why bother with semi synthetic oil unless you drive a semi?

Confused by an Oil Question & Answer

Maintenance/Repairs

circuitsmith February 11, 2012, 11:28pm 15

“‘Synthetic Blend’ motor oils are a USELESS product.”

What if I want to run 0W-30 oil, which isn’t available as conventional, but I want to spend less $ than full synthetic?

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Confused by an Oil Question & Answer

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