Classic/Antique Car Repair: 235 motor, horsepower engine, blue flame

Question
What makes the 235 a "blue flamer"?

Answer
The name Blue Flame 6 honors the innovative engine that powered the original Corvette.

"When GM introduced the Corvette in 1953, it was powered by a six-cylinder, 235 cubic inch, 155 horsepower engine known as the Blue Flame 6,". "The car was revolutionary and the engine was powerful.