Well, then there's zero need for people telling you to swap pistons out and other heavy work. I would concentrate on getting what's there now running as good as possible. Run a compression check. If those numbers don't look good, then you need to make some decisions. If they do, then give it a good tune up if it needs it. You can easily put a performance curve in the distributor. If you cannot, we have a member @halifaxhops who specializes in that and he can fix you up. I suggest getting what you have there running as good as it can FIRST, before you make any changes. That way you have a good base line, you will actually LEARN SOMETHING about how to work on a d tune an engine.
