Originally Posted by kn7671
5w50 is the standard weight in the Track Pack cars, just like the Boss models.
Don't know what brand or where you bought, but if you did it yourself, you could have spent 10-minutes searching Walmart, and other local part stores and found a better price.
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Guess again. Spent a hell of lot more time researching than that.
Did not find it on the shelf anywhere else. Can find Motorcraft online, but very close to the same price, so I picked it up at the local ford dealer.
Not many choices for full syn 5w50, even less that meet the spec. Castrol makes one that is the cheapest, but doesn't meet the spec. Redline makes one and meets the spec, but is even more expensive. Mobil one cost is similar but doesn't meet the spec. Royal purple doesn't show as making it. Maybe amsoil, but that ain't going to be cheap either.
Not many cars spec 5w50. E.g. GT500, BOSS, track pack, and Lexus LFA.