The GMC blower, known as a Roots blower, evolved from a design developed by Francis and Philander Roots of Indiana in the 1850s to pump water, but it turned out that it was great moving gasses as ...

Great question—but first, a bit of history. The GMC blower, known as a Roots blower, evolved from a design developed by Francis and Philander Roots of Indiana in the 1850s to pump water ...

The ones used in drag racing typically derive their design from the 6-71 blower first used on GMC diesel engines. Roots blowers are named after inventors Philander and Francis Roots, and have ...

A Roots-style blower is probably the most commonly ... 8-10 psi will work fine, depending on blower design and efficiency. Late-model computer-controlled ignition systems, automatic detonation ...

Companies such as Whipple and Kenne Bell have made a business out of replacing the less-efficient Roots-style blower, but the design does have its strengths. Being a positive-displacement ...

While running the machine dry to refine the design, the discharge of air suddenly blew one of their hats into the air, demonstrating the incredible ability of the device to move air at a high rate.