With a love for building naturally aspirated engines, Ramiro Ramirez of Fatboys Racing Engines built this 502 cid LS engine for a Chevy Silverado single cab truck. Find out what went into the build and how much horsepower the engine can crank out! Engine of the Week is brought to you by: Scat Crankshafts, PennGrade1 & Elring Das Original.