Hi Arlie,
They're a great car, the P1800E is an injected unit, prior to that they had carbies. Durability is certainly the key word, this article about a New Yorker's 2.5million mile P1800 says it all. I like 'em.
http://www.worldcarfans.com/10606206840/25-million-mile-volvo-40th-anniversary...