What do blower numbers mean?

Roots blowers are often referred to based on a number like 8-71 or 14-71. As you can see, the bigger the number, the longer the rotor, and the more power it will make.”

Who makes roots supercharger?

Current production From 1944, Roots became a product brand of Dresser Industries, now part of Colfax Corporation. The Roots product line still includes a range of blowers.

Why are superchargers called blowers?

Technically speaking, roots-type superchargers do not actually compress air internally in the supercharger; instead, they push air into the intake manifold into the engine. That is why is type of supercharger is sometimes called a “blower” rather than a compressor.

How many liters is a 14 71 supercharger?

GMC 71 Series Diesel Models

Why is it called a 6-71 blower?

In GMC diesel nomenclature, 6 represents the number of cylinders, while 71 represents the cubic-inch displacement per cylinder. So the displacement here is 426 cubic inches, and that is the approximate displacement of the blower as well.

Where are Roots blowers made?

Roots has its main manufacturing facilities including the original Roots factory in Connersville, IN (USA). The factory produces more than 25,000 machines yearly.

Why are roots called blowers?

The Roots-type blower is named after American inventors and brothers Philander and Francis Marion Roots, founders of the Roots Blower Company of Connersville, Indiana USA, who patented the basic design in 1860 as an air pump for use in blast furnaces and other industrial applications.

Is a Roots blower a supercharger?

The best-known positive-displacement supercharger or blower is the Roots type. When taking a casual look at this type of supercharger, it is easy to assume it draws the air into the middle of the rotors and passes it down into the manifold.

What is a Helix supercharger?

Hi-helix blowers are defined. as any supercharger with a rotor twist greater than. 60 deg. Overdrive limit only applies to 14.71 size.