Tom Nelson on Instagram: "You won’t see this every day. This is the very first Big Block Chevy — the legendary “W” engine. We’ve taken it to the next level, stretching it to 496 cubic inches and building it completely out of aluminum. Every inch of this engine has been hand-sanded and block-prepped before paint. It’s topped with a Hilborn eight-stack system, fully modified by Nick Smithberg with electronic fuel injection, idle air control, and a hydraulic roller setup. The heads are fully ported