Turbochargers have revolutionized the automotive world by enhancing engine efficiency and power output. They force more air into the engine's combustion chamber. More air allows for more fuel to burn, thus increasing horsepower.
But when it comes to turbos, not all have equal build quality. Understanding the difference between stock and performance turbos can help you make informed decisions about your vehicle's upgrades.
What Are Stock Turbos?
Stock turbos come standard on many turbocharged vehicles straight from the manufacturer. Manufacturers design stock turbos to balance performance, fuel efficiency, and reliability.
Manufacturers calibrate these turbos to meet emissions standards and to work harmoniously with the vehicle's engine and other components. Stock turbos offer moderate power boosts without compromising the engine's longevity. They perform well in everyday driving and are built to handle the general demands of the average driver.
What Are Performance Turbos?
Aftermarket upgrades, like performance turbos, significantly increase a vehicle's horsepower and torque. Manufacturers build performance turbos to push more air into the engine than stock turbos, resulting in higher boost levels.
Performance turbos often feature larger compressors and turbines, stronger materials, and more advanced designs to handle increased stress and heat. Enthusiasts and racers prefer performance turbos for substantial power gains and the ability to customize their vehicle's performance characteristics.
If you're considering making the leap to a performance turbo, sourcing quality turbo parts is important. High-grade components ensure that the turbocharger operates efficiently and reliably for a performance boost without unnecessary risk to your engine.
Key Differences Between Stock and Performance Turbos
Knowing the difference between stock and performance turbos helps buyers make the right choice for their vehicles. Let's explore the key differences between these two types of turbochargers.
Power Output
Stock turbos provide a modest increase in suitable power for daily driving. Performance turbo designs maximize power output for significant boosts in horsepower and torque. Higher power output makes a noticeable difference in acceleration and top speed.
Materials and Build Quality
Manufacturers construct stock turbos with materials that balance cost and durability. Performance turbos use higher-grade materials like billet aluminum or reinforced steel to withstand increased pressure and heat for enhanced durability under extreme conditions.
Boost Pressure
Stock turbos operate at lower boost pressures to maintain engine reliability and fuel efficiency. Performance turbos run at higher boost pressures, which means more air and fuel enter the combustion chamber, resulting in greater power. However, a higher boost also means more stress on the engine components.
Customization
Stock turbos have limited room for adjustments or upgrades. In contrast, performance turbos offer extensive customization options. You can select different sizes, compressor wheels, and turbine housings to tailor the turbo's performance to your specific needs.
Cost and Installation
The vehicle's original price includes stock turbos with a warranty. Performance turbos require additional investment and may need professional installation. They might also necessitate other upgrades like improved fuel systems, intercoolers, or engine internals to handle the increased power.