AR Engineering is focused primarily on designing and building parts for the 1962 to 1972 Mopar muscle cars. But besides that primary focus, Andy has authored a long list of technical magazine articles for publications such as Popular Hot Rodding, Mopar Action, Mopar Max and Mopar Muscle. Andy has also written two books for CarTech publishing including How to Build Max Performance Mopar Big-Blocks, and Mopar B-Body Performance Upgrades 1962-1979.