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The Mitsubishi Lancer Evolution VIII, commonly referred to as the Evo VIII, is a favorite among car enthusiasts for its performance and tuning potential. One of the most popular upgrades for this vehicle is the installation of a Precision 5858 turbocharger. In this article, we will explore how much power this turbo can add to your Evo VIII, backed by real results and data from various builds.
Understanding the Precision 5858 Turbocharger
The Precision 5858 turbocharger is known for its ability to provide a significant boost in horsepower and torque. It features a 58mm inducer and a 76mm exducer, which work together to optimize airflow and increase engine efficiency. This turbo is particularly suited for high-performance applications, making it a popular choice for Evo VIII owners looking to enhance their vehicle’s capabilities.
Stock Power Output of the Evo VIII
Before we dive into the power gains from the Precision 5858, it’s essential to understand the stock power output of the Evo VIII. The factory model is equipped with a 2.0-liter inline-four engine, producing approximately 276 horsepower and 274 lb-ft of torque. This power level is impressive for a factory vehicle, but many enthusiasts seek more performance through aftermarket upgrades.
Power Gains from the Precision 5858 Turbo
When installing a Precision 5858 turbo on an Evo VIII, users can expect substantial increases in horsepower and torque. The actual gains can vary based on several factors, including supporting modifications, tuning, and engine condition. Here are some typical power results reported by Evo VIII owners:
- With stock internals and proper tuning: 400-450 horsepower
- With upgraded fuel system and intercooler: 450-500 horsepower
- With built engine and full supporting mods: 500+ horsepower
Factors Influencing Power Output
Several factors can influence the power output when installing a Precision 5858 turbo on an Evo VIII. Understanding these factors can help you achieve the best results:
- Engine Condition: A well-maintained engine will perform better than one that has experienced wear and tear.
- Tuning: Proper tuning is crucial to maximize the potential of the turbo and ensure engine safety.
- Supporting Modifications: Upgrades such as a stronger fuel pump, larger injectors, and an upgraded intercooler can significantly impact performance.
- Exhaust System: A high-flow exhaust system can improve turbo efficiency and power output.
Real-World Examples of Power Gains
To illustrate the potential power gains from the Precision 5858 turbo, let’s look at some real-world examples from Evo VIII owners:
- Example 1: An Evo VIII with a Precision 5858 turbo, upgraded fuel system, and intercooler achieved 450 horsepower on a dyno.
- Example 2: Another owner reported 500 horsepower after adding a built engine and full exhaust system along with the turbo.
- Example 3: A stock internals setup with the Precision 5858 produced 420 horsepower with careful tuning.
Conclusion
The Precision 5858 turbocharger can significantly enhance the performance of your Evo VIII, with potential power gains ranging from 400 to over 500 horsepower, depending on the setup. By understanding the factors that influence power output and ensuring proper tuning and supporting modifications, you can unlock the full potential of your vehicle. Whether you’re looking to dominate the track or enjoy spirited drives on the road, the Precision 5858 is an excellent choice for any Evo VIII enthusiast.