Chassis: 40290 Rare Surviving Example of the 1930s Helms Bakery Trucks Unique Stand-and-Drive Configuration Retrofitted with GM Small-Block Power Whimsical Piece of Americana 350 CID Chevrolet V-8 Engine Single Downdraft Carburetor 145 BHP (Rated) at 4,400 RPM 3-Speed Automatic Transmission 4-Wheel Integral Drum-Type Brakes Solid Axles with Semi-Elliptical Leaf Springs and Shock Absorbers