Autographed copy by Richard himself ! How to Build Max Performance Hemi Engines by Richard Nedbal. SA Design. How to Build Max-Performance Hemi Engines details how to extract even more horsepower out of these incredible engines. All the block options from street versus race, new versus old, and iron versus aluminum are presented. Full detailed coverage on the reciprocating assembly is also included. Heads play an essential role in flowing fuel and producing maximum horsepower, and therefore receive special treatment. Author Richard Nedbal explores major head types, rocker-arm systems, head machining and prep, valves, springs, seats, porting quench control, and much more. All camshaft considerations are discussed as well, so you can select the best specification for your engine build. Induction options including EFI, aftermarket ignitions systems, high-performance oiling systems, and cooling systems are also covered. The book also examines in detail how to install and set up power adders such as nitrous oxide, superchargers, and turbochargers.