Originally developed for industrial use, the 6-71 blower has become a hot-rodding icon. We delve into the details and test one on a 406-inch Chevy small-block.

American Speed offers several dyno-tuned. High-horsepower, small-block Chevy street engines. They are all low compression (9.6:1) and are balanced and blueprinted in 383-, 406-, and 434ci ...

This Chevy 406 small-block V8 engine has its iron engine block replaced with an aluminum one from GM Performance Parts, and then it is tuned on an engine dyno - Super Chevy Magazine ...

We put both engines on the dyno to see which made more horsepower and torque. It didn’t go as planned. Over the past year, we assembled two very mild small-blocks aimed at the typical hot-rodder ...