I'm not sure of the reason why, but Pontiac badged the cars with these engines in them with a metric displacement. They were listed as either a 3.8 or a 4.1 litre, said it right on the hood or a fender emblem.
Last edited by mechanic58; 10/27/20139:09 PM.
1950 4100 - unrestored and driven weekly for almost no reason at all.
