A Alex New member Mar 15, 2010 #1 I'm interested in the 1966-'70 engines. I've seen official ratings for the '78 440 V8 at 10 city 16 highway. I was wondering if there was a difference between the pre and post-smog engines.
I'm interested in the 1966-'70 engines. I've seen official ratings for the '78 440 V8 at 10 city 16 highway. I was wondering if there was a difference between the pre and post-smog engines.
