McCulloch VS57 Supercharger

The McCulloch VS57 is an iconic supercharger that left an enduring mark on the automotive world. This post delves into the details of the VS57, its history, key features, applications, and its influence on the performance automotive scene.

McCulloch VS57 at a Glance

Name:McCulloch VS57 Supercharger
Introduction:Early 1950s
Type:Roots-type supercharger
Applications:Classic American V8 engines
Key Features:Compact, efficient, belt-driven design
Significance:Popularized supercharging in hot rodding culture

Key Features of the McCulloch VS57

  1. Compact Design:
    • The VS57 supercharger featured a compact design that allowed for easier installation in the engine bay of various classic American cars.
  2. Belt-Driven Operation:
    • It operated via a belt-driven system, harnessing the power of the engine’s crankshaft to compress air and boost performance.
  3. Efficiency and Bypass System:
    • The VS57 was known for its efficiency, thanks to its innovative bypass system. This system allowed excess boost to be vented, preventing over-pressurization.
  4. Enhanced Power and Torque:
    • By forcing more air into the engine’s combustion chambers, the VS57 significantly increased power and torque, making it a favorite among hot rodders.

Applications of the McCulloch VS57

  1. Hot Rods:
    • The VS57 supercharger gained immense popularity in the hot rodding culture of the 1950s and 1960s. It was often used to extract more power from classic American V8 engines.
  2. Custom Builds:
    • Enthusiasts and mechanics often integrated the VS57 into custom-built vehicles, creating unique, high-performance machines.
  3. Racing:
    • Some racing teams and drivers employed the VS57 to gain a competitive edge in various motorsport disciplines.

Influence and Legacy

The McCulloch VS57 supercharger played a significant role in popularizing supercharging as a means to boost engine performance. Its compact design and efficiency made it a sought-after accessory for those seeking more power from their classic cars. Even today, the VS57 is revered as a symbol of the golden age of American hot rodding.


The McCulloch VS57 supercharger remains an emblem of automotive innovation and performance enhancement. Its impact on the hot rodding culture of the 1950s and 1960s continues to be felt, and it stands as a testament to the enduring allure of forced induction in the world of classic cars.