[rbohm]

some people will tell you that setting the clearances to factory design spec is blueprinting an engine. but as i stated that is only that start. a proper blueprinting job is time consuming and expensive. it can add a fair amount of power and longevity to a street or a street/strip engine, but the benefits are not worth the cost. now if you are building a winston cup or formula one engine, that is a different story. there you need to find every bit of power available under the rules, and that power needs to be consistant. at that point blueprinting becomes not only a viable option, but it actually becomes mandatory, otherwise you will find yourself an also ran. for a street motor equalize the clearances as best you can, but dont go nuts over it if you cant. also remember a proper blueprinting job can and often does mean major parts get replaced as they cannot be made right.