B52Gunner, it is very beneficial to the manufacturer, wholesaler and retailer as the stuff is very expensive, thus more profit.
The disadvantage is to your wallet.
The use of synthetic lubricants in non-race applications is a triumph of marketing over lubrication science. The best current example of that marketing skill is the ad showing the youngsters in the parts store buying Castrol synthetic motor oil while the adman tells us that Castrol synthetic is 8 times better than Mobil synthetic. Well, hello! How good does it have to be to be adequate? We're not going to the moon, we're doing an oil change on a daily driver.
