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The Mitsubishi 4G63T engine has earned a reputation in the automotive community for its performance and tuning potential. In this article, we will explore a real owner review that highlights how a $500 porting job can add 30 horsepower at the wheels, enhancing the overall driving experience.
Understanding the Mitsubishi 4G63T Engine
The 4G63T is a turbocharged inline-four engine produced by Mitsubishi. It has been used in various models, including the Mitsubishi Eclipse, Talon, and Galant. Known for its robust construction and tuning capabilities, this engine is a favorite among performance enthusiasts.
The Importance of Porting
Porting involves modifying the intake and exhaust ports of an engine to improve airflow. This process can lead to significant gains in horsepower and torque. For the 4G63T, porting can be particularly beneficial due to its turbocharged nature, allowing for better breathing at higher RPMs.
Benefits of Porting
- Improved airflow leads to better combustion efficiency.
- Increased horsepower and torque output.
- Enhanced throttle response.
- Potential for higher boost levels without detonation.
The $500 Porting Job
For this review, the owner invested $500 in a professional porting service. The aim was to maximize the performance of their 4G63T engine without breaking the bank. This investment focused on optimizing the intake and exhaust ports to facilitate better airflow.
What Was Done?
- Intake ports were enlarged and smoothed for better airflow.
- Exhaust ports were also ported to reduce back pressure.
- Valve seats were polished to improve sealing and flow.
Results: 30 HP Gain at the Wheels
After the porting job was completed, the owner took the car to a local dyno to measure the performance improvements. The results were impressive, showing a gain of 30 horsepower at the wheels. This increase transformed the driving experience, making the car feel more responsive and powerful.
Before and After Dyno Results
- Before porting: 180 HP at the wheels.
- After porting: 210 HP at the wheels.
Owner’s Experience
The owner reported a noticeable difference in the car’s performance. The throttle response was sharper, and the engine felt more willing to rev. Additionally, the car’s overall drivability improved, especially in the mid-range RPMs where the gains were most pronounced.
Cost vs. Performance
At $500, the porting job offered excellent value for the performance gains achieved. Many enthusiasts may find similar modifications to be cost-prohibitive, but this review demonstrates that substantial improvements can be made without a massive investment.
Additional Considerations
- Choose a reputable shop with experience in porting 4G63T engines.
- Consider accompanying modifications, such as a better exhaust system, for maximum gains.
- Always monitor engine health after modifications to ensure longevity.
Conclusion
The real owner review of the $500 porting job on a Mitsubishi 4G63T engine highlights the potential for significant performance gains at an affordable price. With careful consideration and professional execution, enthusiasts can unlock the true power of their engines, making for a more thrilling driving experience.