WTF? Never underestimate the things the marketing dept. comes up with...... I can't imagine most of the owners that I've known actually build the engine. I could, but most couldn't. "The option, tagged PBC, has a suggested price of $5,800. For that price, the buyer is assigned a personal concierge who schedules the engine build and coordinates logistics of the trip. Once at Wixom, the buyer gets to personally assemble the engine ? "under the supervision of and support from skilled technicians," GM clarifies, noting that hand assembly procedures in place at the Performance Build Center make this possible. A personalized engine nameplate is created that gets added to the car."
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