BMW S62B50 5.0L M5 E39 SERIES, ACL Race Series Conrod Bearings (8B1591H)
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BMW S62B50 5.0L M5 E39 SERIES, ACL Race Series Conrod Bearings (8B1591H)
Enhance the performance of your BMW S62B50 5.0L M5 E39 Series with the ACL Race Series Conrod Bearings (8B1591H). Specifically engineered to endure higher RPM conditions, these bearings are a perfect fit for high-performance enthusiasts. Designed for popular 4, 6, and 8 cylinder applications, they offer superior durability and reliability.
- High Strength Overlay Plate: Features reduced thickness for enhanced performance.
- Hardened Steel Backs: Provides robust support for all Conrod Bearings.
- Increased Crush: Eliminates flash plating for improved fit and function.
- 3/4 Grooving: Main Bearings are designed for optimal oil supply.
- Tight Wall Tolerances: Ensures consistent performance and reliability.
- Oversize Chamfers: Available where applicable for better fitment.
| Product Name | BMW S62B50 5.0L M5 E39 SERIES, ACL Race Series Conrod Bearings (8B1591H) |
|---|---|
| Brands | ACL |
| Engine | S62B50 |
| Make | BMW |
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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 key features of the ACL Race Series Conrod Bearings for the BMW S62B50?
The ACL Race Series Conrod Bearings (8B1591H) feature a high strength overlay plate with reduced thickness for improved performance, hardened steel backs for robust support, and increased crush to eliminate flash plating. They also have tight wall tolerances and oversize chamfers where applicable, ensuring a reliable fit.
What RPM range are these conrod bearings suitable for?
These conrod bearings are specifically engineered to endure higher RPM conditions, making them ideal for high-performance applications in the BMW S62B50 engine. However, the actual RPM capability will depend on proper installation, machining, and overall engine build quality.
Do I need to modify the conrod or crankshaft for these bearings?
Typically, the ACL Race Series Conrod Bearings should fit standard S62B50 conrods without modification. However, it's essential to check for proper clearances and ensure that the conrod and crankshaft surfaces are in good condition. Some builders may choose to hone the conrod big ends for optimal fit.
What is the recommended installation procedure for these bearings?
When installing the ACL Race Series Conrod Bearings, ensure that all surfaces are clean and free of debris. Apply a suitable assembly lubricant to the bearing surfaces and follow the manufacturer's torque specifications for the conrod bolts. It's also advisable to check for proper oil clearance after installation.
Are these bearings suitable for street use?
While the ACL Race Series Conrod Bearings are designed for high-performance applications, they can be used in street engines that are built for spirited driving. However, keep in mind that their performance characteristics are optimised for racing conditions, so ensure your engine is set up accordingly.
