Fresh Start?

This link may help with your decision. You should be able to apply the same principles to your 340.

http://www.mopar1.us/dyno.html

This link is from the same website but for strokers.

http://www.mopar1.us/stroker.html

Anyone a part of this club? It's a nice website. Lots of useful info. I think someone else may have posted this website already.