A connecting rod is the mechanical link between the piston and the crankshaft. By design, connecting rods convert vertical motion into rotary motion, eventually yielding torque at the flywheel. By ...

In 1966 General Motors took its famous 396ci gas-burning big-block and increased its bore to 4.25 inches. With that one simple machining process, GM gave birth to the famous 427ci Rat motor, and Chevy ...