I find the facts to be consistent. Just the hear-say and ads-claims that aren't.
I've been reading about the synthetic oils since the 50s. Also when they hit the public-consumer market around 1970 and cost 4-5 times as much per quart.
There is an awful lot of marketing hype that is pretty much bogus. That being said, there are some real advantages to true synthetic oils. Many people though, under normal useage, cannot make good use of those advantages.
In my case, with a HD truck and trans that only holds 4 quarts and has no cooling system - an oil with a high flash point can be good to have. Thus the reason why I went looking for it.
I can also see where it's good to have as a two-stroke-cycle oil used in air-cooled chain-saws.
As I recall, when the military used in in air-craft in WWII, sythetic was mostly used in jets, not piston-engines in planes. But, I could be wrong about that.
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Today's Featured Article - The Engine Rebuild Kit - by Curtis Von Fange. I always liked engine rebuild kits. They have all the replacement parts for overhauling an engine without going to the store to get gaskets, special measuring tools, or miscellaneous parts. They come neatly packaged, clean and tidy. But it's important not to let that packaging lull you into a false sense of security. The appearance of matching sleeves, pistons, rings, and bearings can cause frustration and agony if not properly measured and installed in a workshop environment. Following c
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