Answer:The compression ratio listed for any engine combo is always the static compression ratio, which is fixed via component selection and machining practice when the engine is built. As you've ...

Read the tech article on Tuning Engine Compression, brought to you by the experts at Chevy High Performance Magazine ...

Auto columnist Greg Zyla talks about the 1962 Chevy Biscayne 409 in this week's column. Follow the link to read what he says.

Chevy muscle cars did not come with the Chevy 409 big block engine until 1962 when Chevrolet had its 50th anniversary and the rest is Chevy history - Super Chevy Magazine ...