Model “A” Ford Refilled with STOPNOX at 17 Cents a Gallon

Interesting article from The Old Motor about the issues with spark knock, pinging and detonation back in the day.

Fuel with tetraethyllead additive names like STOPNOX and other references to either ethyl or nox in the name was common back in the day.

Model “A” Ford Refilled with STOPNOX at 17 Cents a Gallon – From “The Old Motor”