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The Mopar Performance 340 camshaft is a popular upgrade for enthusiasts looking to enhance the performance of their 1970 Challenger. This article delves into the power gains associated with this camshaft, providing insights from various tests and real-world applications.
Understanding the Mopar Performance 340 Camshaft
The Mopar Performance 340 camshaft is designed to improve the engine’s breathing capabilities, which can lead to increased horsepower and torque. It features a specific lift and duration that optimizes performance for the 340 cubic inch V8 engine found in the 1970 Challenger.
Specifications of the Mopar 340 Camshaft
- Lift: .474 inches
- Duration: 284 degrees
- Centerline: 110 degrees
- Type: Hydraulic flat tappet
These specifications indicate that the camshaft is designed for a balance of street performance and drivability, making it an ideal choice for classic car enthusiasts.
Testing Methodology
To accurately assess the power gains from the Mopar Performance 340 camshaft, a series of tests were conducted on a 1970 Challenger equipped with a stock 340 engine. The tests involved:
- Baseline dyno runs with the stock camshaft
- Installation of the Mopar 340 camshaft
- Follow-up dyno runs to measure power output
Baseline Power Output
Before the camshaft upgrade, the stock 340 engine produced a baseline power output of approximately 250 horsepower and 340 lb-ft of torque. This data served as the reference point for evaluating the performance improvements.
Power Gains with the Mopar 340 Camshaft
After the installation of the Mopar Performance 340 camshaft, the Challenger was put back on the dyno for a series of power runs. The results were impressive:
- Peak horsepower: 290 hp
- Peak torque: 360 lb-ft
This data indicates a significant power increase of 40 horsepower and 20 lb-ft of torque, showcasing the effectiveness of the camshaft upgrade.
Factors Influencing Power Gains
Several factors can influence the power gains achieved with the Mopar 340 camshaft, including:
- Engine condition and tuning
- Supporting modifications (headers, intake, exhaust)
- Fuel quality
Each of these elements plays a crucial role in maximizing the performance potential of the camshaft.
Real-World Performance Feedback
Feedback from 1970 Challenger owners who have installed the Mopar Performance 340 camshaft has been overwhelmingly positive. Many report:
- Improved throttle response
- Enhanced acceleration
- A more aggressive engine sound
These qualitative improvements further validate the quantitative power gains observed during testing.
Conclusion
The Mopar Performance 340 camshaft is a worthwhile investment for 1970 Challenger owners seeking to boost their vehicle’s performance. With a documented increase of 40 horsepower and 20 lb-ft of torque, it provides a solid enhancement to the driving experience while maintaining streetability.
As with any performance modification, it is essential to consider the overall engine setup and tuning to achieve the best results. For those looking to unleash the full potential of their classic muscle car, the Mopar 340 camshaft stands out as an excellent choice.