Ford 5.4L V8 S/C Race Series, ACL Race Series Main Bearings (5M5645H)
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Ford 5.4L V8 S/C Race Series, ACL Race Series Main Bearings (5M5645H)
Enhance your engine's performance with the Ford 5.4L V8 S/C Race Series, ACL Race Series Main Bearings (5M5645H). Specifically engineered to endure higher RPM conditions, these bearings are perfect for racing enthusiasts and professional drivers seeking reliability and efficiency. Designed for popular 4, 6, and 8 cylinder applications, these bearings offer superior durability and performance.
- High Strength Overlay Plate: Features reduced thickness for enhanced durability.
- Hardened Steel Backs: Provides robust support on all Conrod Bearings.
- Increased Crush: Eliminates flash plating for a more secure fit.
- 3/4 Grooving: Ensures optimum oil supply on Main Bearings.
- Consistent Wall Tolerances: Guarantees precision and reliability.
- Oversize Chamfers: Available where applicable for improved fitment.
Explore the full range of ACL Race Series Engine Bearings for unmatched performance and quality.
| Product Name | Ford 5.4L V8 S/C Race Series, ACL Race Series Main Bearings (5M5645H) |
|---|---|
| Brands | ACL |
| Engine | 5.4L DOHC V8 |
| Make | Ford |
Delivery & Freight
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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 Main Bearings for the Ford 5.4L V8?
The ACL Race Series Main Bearings for the Ford 5.4L V8 feature a high strength overlay plate with reduced thickness for enhanced durability, hardened steel backs for robust support, increased crush to eliminate flash plating, and 3/4 grooving to ensure optimum oil supply. These features contribute to their reliability in high RPM conditions.
Do I need to machine my engine block when installing these main bearings?
Yes, it's essential to check the main bore sizes and alignments in your engine block. Depending on the condition and previous machining, you may need to perform line boring to ensure proper fitment and clearances for the ACL Race Series Main Bearings.
What is the recommended clearance for these main bearings in a Ford 5.4L V8?
Clearance specifications can vary based on your specific build and intended use. Generally, for performance applications, aim for a clearance range of 0.0015" to 0.0025". Always consult with your engine builder to determine the best clearance for your setup.
Are these main bearings suitable for street use?
While the ACL Race Series Main Bearings are designed for racing and high-performance applications, they can be used on the street if your engine is built for higher RPMs and you maintain proper oiling and cooling. However, for a standard street engine, consider bearings designed for durability at lower RPMs.
How do I ensure proper oiling with these main bearings?
To ensure proper oiling, confirm that the oil passages in the engine block are clean and unobstructed. The 3/4 grooving feature of these bearings helps facilitate oil flow, but it's critical to use the correct oil viscosity and maintain a good oiling system to support high-performance operation.