General Motors is boasting that the new microcontroller in the ECM behind the Ecotec 2.0-liter turbocharged four-cylinder in the 2011 Buick Regal is the ultimate power in the automotive universe. According to the company, the computer packs the quickest processing power of any microcontroller in any vehicle on the market right now. The ECU uses three megabytes of flash memory to handle a host of