KCS

iTrader: (20)

"The front label of the 10W-30 and 10W-40 motor oil containers states that the product "Lubricates and protects your engine," the back label carries the "small print" statement, "not suitable for use in most gasoline powered automotive engines built after 1988."

Link

5w20

iTrader: (21)

API service - SA

Manic Mechanic

iTrader: (3)

I've seen some cars built before 1988 parked at dollar general. Just sayin'.

Vernon