Might have been they hit Ford first because of their massive production
capacity. Packard did have a little experience with aircraft engines- I
believe a Packard-powered Lockheed Vega still holds the altitude record for
a diesel powered aircraft.
Twentynine Palms CA USA
"Outside of a dog, a book is man's best friend.
Inside of a dog, it's too dark to read."
- Groucho Marx