I don't know one way or the other. I do know that I like Source's argument that they do a bunch of them and nothing else. Seems pretty logical that by practicing the same thing over and over again that you are likely to get pretty good at it.
We've balanced over 3500 big inch
Big Block Mopars Most any local shop would be lucky if they've got even one or two percent of that kind of experience with BB Mopar strokers.
You can check out our balancing operation here:
http://www.440source.com/balancing.htm
