Speed tuning theory and practice, costs, horsepower and torque for all 1932 and later Ford & Mercury Flathead V8s. The performance fundamentals: power, cam, carburetion, compression exhaust and ignition are all covered in this 1951 classic handbook. Details planning the modifications, fitting the block, boring an stroking, flathead and over head-valve cylinder head, scams, pistons, rings, intake manifolds, exhaust headers and special ignitions. A special chapter discusses superchargers.