In the 1980s, automobile manufacturers were coming to grips with increasingly stringent fuel efficiency and emissions regulations. Mercedes, for example, turned to turbocharged diesels for better ...

Nathan Seabaugh, Northern Illinois:I am building an engine for my '89 Chevy K2500. This is my daily driver/tow rig/off-road truck. I was hoping for about 300 hp while still retaining the factory TBI ...