"We also drove the Nova and boy does the highway create RPM's.3100rpm's at 70mph ,only did that for about 10miles.Couldn't take it anymore had to get on the backroads."

Those 'new' OD trannys spoil ya, eh?
We were talking about that this weekend too. I used to drive the Chevelle to StuporChevy/Indy.
4.10 gears tend to make a Solid Lifter BBC sing pretty loud. I saw 3000 at 60 MPH!