Yes I couldn’t believe Ford now specs 5w20 for my 1994 E150 5.8L conversion van. Original spec was 5w30. Neither are used, I go with mobile 1 0w40 euro synthetic in about everything.Use them . I have a 300 inline Ford F150 and if I had these they would be used for next oil change, notwithstanding that I believe Ford now specs a 5w 20 variety for these old workhorses .
Use and Keep a few empty bottles in garage for nostalgia. Use them in your older car. No reason not to.Another decent idea, a sacrificial oil. But I have an application that would love the ZDDP content in these oils, so that's why I was leaning toward using them. It has an 8 quart sump, and I already used one bottle as a sacrificial oil. On something else, so it would have two fresh quarts along with these remaining 6.
Another use vote.