Lot #845 - 1971 Pontiac Firebird formula 400. Very rare Castillian Bronze, Pontiac Historic Services documentation, documented RPO W66 code Firebird Formula 400, gorgeous Castillian Bronze Metallic exterior with black Cordova top, black deluxe/custom bucket seats interior, matching numbers 400cid YS Code 300hp L78 engine with VIN stamp. 4-speed manual M20 Muncie transmission, optioned with factory air conditioning, formula steering wheel with tilt, power steering power front disc brakes, Honeycomb wheels with BFGoodrich Radial T/A tires, distinctive formula fiberglass hood with dual snorkels and functional Ram Air, 3.42 rear axle ratio, was originally an automatic transmission formula 400 that was carefully converted to a M20 4-speed manual with components from 1971. Frame-off restoration completed in the 1999, absolutely gorgeous and rarely seen color combination, show quality and detailed from top to bottom.