I guess I need to ask the question: does the OP mean to compare the Chevrolet Performance crate engine to the BluePrint Engines (a company) crate engine? Or to any "blueprinted" engine?

FWIW, to me, "blueprinted" means rebuilt to original factory "blueprint" specifications.

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If you can't fix it with a hammer and screwdriver, you need a bigger hammer.
1965 Chevy C10