Dodge R5P7 NASCAR Engine Specifications
The Dodge R5P7 engine is a prominent powerplant in the world of NASCAR, known for its robust performance and reliability on the racetrack. This engine has undergone extensive development to meet the rigorous demands of stock car racing. Below are the detailed specifications of the Dodge R5P7 engine.
| Specification | Details |
|---|---|
| Engine Type | V8 |
| Displacement | 358 cubic inches (5.8 liters) |
| Configuration | DOHC (Dual Overhead Cam) |
| Max Horsepower | Approximately 850 HP |
| Max Torque | Approximately 700 lb-ft |
| Fuel Type | Sunoco Green E15 (ethanol blend) |
| Compression Ratio | 12.0:1 |
| Weight | Approximately 500 lbs |
| RPM Limit | 9,000 RPM |
The Dodge R5P7 engine is designed to provide maximum power and efficiency while adhering to NASCAR’s strict regulations. Its lightweight construction and high-revving capabilities make it a formidable competitor on the track.
Engine Configuration
The engine configuration of the Dodge R5P7 is a critical aspect of its performance. Below are the key features that define its setup:
- V8 Configuration: The engine features a V8 layout, which is standard in NASCAR, allowing for a balance of power and weight.
- DOHC Design: The dual overhead cam design enhances airflow and allows for higher RPMs, contributing to the engine’s impressive horsepower output.
- Fuel Injection: The R5P7 utilizes electronic fuel injection, optimizing fuel delivery and improving throttle response.
- Customizable Components: Teams can modify various components such as intake manifolds and exhaust systems to suit specific track conditions.
The combination of these features ensures that the Dodge R5P7 engine remains competitive in the ever-evolving landscape of NASCAR racing.
Engine Oil Specifications & Service Intervals
Proper maintenance of the Dodge R5P7 engine is crucial for ensuring its longevity and performance. Below are the recommended engine oil specifications and service intervals.
Engine Oil Specifications
When it comes to engine oil, the Dodge R5P7 requires specific properties to perform optimally:
| Specification | Details |
|---|---|
| Oil Type | Synthetic Racing Oil |
| Viscosity Grade | 10W-30 |
| API Rating | API SN or higher |
| Capacity | Approximately 12 quarts |
Using the correct oil type and viscosity is essential for maintaining the engine’s performance, especially under the extreme conditions of NASCAR racing.
Service Intervals
Regular maintenance is vital for the performance and reliability of the Dodge R5P7 engine. The following service intervals are recommended:
- Oil Change: Every 500 miles or after each race.
- Oil Filter Replacement: Every oil change.
- Engine Inspection: After every race, check for any signs of wear or damage.
- Valve Adjustment: Every 1,500 miles or as needed.
- Fuel System Cleaning: Every 3,000 miles or as necessary.
Adhering to these service intervals helps ensure that the Dodge R5P7 engine operates at peak performance, reducing the risk of mechanical failure during races.
Conclusion
The Dodge R5P7 NASCAR engine is a testament to engineering excellence in the world of motorsports. With its powerful specifications, advanced configuration, and strict maintenance requirements, it stands as a formidable contender on the racetrack. Understanding the engine’s specifications and adhering to proper maintenance schedules are essential for any team looking to maximize their performance in NASCAR racing.
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