Nissan SR20DET 1998cc DOHC, ACL Race Series Conrod Bearings (4B2976H)
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Nissan SR20DET 1998cc DOHC, ACL Race Series Conrod Bearings (4B2976H)
Enhance the performance of your Nissan SR20DET engine with the ACL Race Series Conrod Bearings, specifically engineered for high RPM conditions. These bearings are a top choice for automotive enthusiasts seeking reliability and durability in demanding environments.
Key Features:
- High strength overlay plate with reduced thickness for superior performance.
- Hardened steel backs on all Conrod Bearings ensure long-lasting durability.
- Increased crush and elimination of flash plating for improved fit and function.
- 3/4 grooving on Main Bearings provides optimum oil supply, enhancing engine efficiency.
- Tight consistent wall tolerances for precision and reliability.
- Oversize chamfers where applicable to accommodate various applications.
Explore the complete range of ACL Race Series Engine Bearings for unmatched performance and quality.
| Product Name | Nissan SR20DET 1998cc DOHC, ACL Race Series Conrod Bearings (4B2976H) |
|---|---|
| Brands | ACL |
| Engine | SR20 |
| Make | Nissan |
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What information do I need to match these pistons to my engine?
You need the engine code, bore size, stroke, rod length, pin diameter and target compression ratio. These determine the correct piston compression height and crown design.
How should ring gaps be set for these pistons?
Ring gaps must be set by your engine builder based on fuel type, boost level and the intended rpm range. Forced-induction engines usually require larger gaps.
Are forged pistons suitable for street engines?
Yes. Forged pistons handle detonation and high cylinder pressure better than cast units. Your builder should set the piston-to-bore clearance to suit your application.
What are the benefits of using ACL Race Series Conrod Bearings in my SR20DET?
ACL Race Series Conrod Bearings are designed for high RPM applications, providing enhanced performance and reliability. The high strength overlay plate and hardened steel backs ensure durability under demanding conditions, making them ideal for both track and street use.
Do I need to modify my engine for these conrod bearings?
While the ACL Race Series Conrod Bearings are designed to fit the SR20DET, it's essential to check for proper clearances and ensure that your conrods are in good condition. Depending on your engine's specific setup, additional machining or adjustments may be necessary to achieve optimal performance.
What is the recommended installation procedure for these bearings?
When installing ACL Race Series Conrod Bearings, ensure that the bearing surfaces are clean and free of debris. Apply a suitable assembly lubricant to the bearings and conrod surfaces before installation. Follow the manufacturer's specifications for torque settings and ensure proper alignment during assembly.
How do the features of these bearings improve oil supply and engine efficiency?
The 3/4 grooving on the main bearings enhances oil supply to critical areas of the engine, reducing friction and improving overall efficiency. The increased crush and elimination of flash plating also contribute to a better fit, ensuring consistent oil flow and optimal lubrication under high-stress conditions.
What are the implications of tight wall tolerances in these conrod bearings?
Tight and consistent wall tolerances in ACL Race Series Conrod Bearings ensure a precise fit within the conrod and crankshaft, which is crucial for maintaining oil film thickness and preventing metal-to-metal contact. This precision helps to enhance engine performance and longevity, especially in high-performance applications.
