Differences are between chevelle ss and a nova ss?

I'm trying to find out what the main differences are between a 69 chevelle ss and a 69-70 nova ss?

Check out the answer in the General Discussion topic.

Short answer: Very different cars, but similar powertrains.

You have to be more specific. They are two different cars.

night and day

Ones a helluva lot lighter than the other one.