Whipple Vs. Roots | Building a Monster Truck 7

After killing the Roots-style 10-71 supercharger, Gale decided to switch to a screw-style 5.0L Whipple. To truly know which is better, he compares the two side-by-side with no intercooler. Watch to find out which supercharger outperforms the other!

After running the Roots-style 10-71 dry, it was dead. We’re using all the same conditions for the comparison test. Before starting the test, Gale explains how the two superchargers are different. The 10-71 is a Roots that takes air from the top and drives the air around the outside of the case. The rotors mesh together and push air into the manifold.

The screw-style Whipple air is inducted in the rear. The two rotors spin concurrently and thread together and squeeze the air forward. Finally, air is discharged from the front.

Gale is especially no stranger to Whipple superchargers. The data never lies. In fact, it shows that the Boost Air Density on the Whipple increases by two pounds compared to the 10-71. Gale breaks down the compressor efficiency and throttle response. Watch the video to understand what that means in terms of power and throttle response.

During episode 8, Gale focuses on intercooler efficiency, introducing us to his patent-pending concept the Intercooler Rating System (I.R.S.) for the iDash.