Castrol edge syntec technology 5w-40 fully synthetic, Save on castrol edge with syntec technology 5w-40 fully synthetic motor oil (1 quart) 06249 at advance auto parts. buy online, pick up in-store in 30 minutes.. Bob oil guy, Fuel additives without pea often contain a different ingredient called piba that clean carburetors and indirect port injectors. at high concentrations it can clean. Canadian tire - engine oil customer reviews - product, Canadian tire product reviews and customer ratings for engine oil. read and compare experiences customers have had with engine oil products.