Camaro News September 4, 2013

• Horde of COPO Camaros Invade Chevrolet Performance US Nationals – Hot Rod Magazine (blog)

  Hot Rod Magazine (blog)

  Horde of COPO Camaros Invade Chevrolet Performance US Nationals Hot Rod Magazine (blog) In the case of the 427 Camaro, the COPO was also used to install the mighty 7-liter because GM had an anti-racing rule that limited hp/ci except for the Corvette (and, hence, limited the Camaro to 396 ci). In the ultra-competitive horsepower …