Continuing with the baseball analogy: "The batter just hit a grand slam homer with the bases loaded".
Actually, "blueprints" haven't been been "blue" for a good many years, although I do have many from the 1920's.
However, if one checks the tolerances on older "drawings", one finds high tolerance and low tolerance. Race engines will be more precise than the "blueprints". On street engines, the extra expense is pretty much wasted.
But if someone uses the phrase, be easy on them; none of us were born with the knowledge, we all had to learn. The kid that mentions "balancing and blueprinting" today just might be the enthusiast that purchases your truck from your estate!
Jon.
