Eagle SBC Balanced Rotating Assembly - 350 .030

Product Overview

The Eagle SBC Balanced Rotating Assembly is a comprehensive kit designed for engine builders and enthusiasts. This assembly provides the core components required for a balanced engine rotating mass, crucial for smooth operation and performance. It includes a cast crankshaft, connecting rods, pistons, piston rings, and engine bearings, all pre-matched for a balanced setup.

Figure 1: Complete Eagle SBC Balanced Rotating Assembly components. This image displays the cast crankshaft, multiple piston and connecting rod assemblies, piston rings, and various engine bearings. These components are designed to work together for optimal engine performance.

Key Features:

• BALANCED 3.480" Cast Crank
• 5.700" PRESS-FIT I-BEAM Rods
• 3/8" ARP 8740 BOLTS
• HYPEREUTECTIC KB CLAIMER -7CC FLAT TOP 4.030" PISTONS
• PLASMA-MOLY STANDARD GAP RINGS
• KING SI Rod/MAIN BEARINGS
• Designed as a Stroker Kit

Setup and Installation

Installation of the Eagle SBC Balanced Rotating Assembly requires specialized knowledge and tools. It is highly recommended that installation be performed by a qualified automotive professional or an experienced engine builder.

Pre-Installation Steps:

1. Inspection: Carefully inspect all components for any signs of shipping damage or manufacturing defects before beginning installation.
2. Cleaning: Thoroughly clean all components to remove any protective coatings, debris, or contaminants. Use appropriate cleaning agents and ensure all oil passages are clear.
3. Measurement: Verify all critical dimensions (e.g., bearing clearances, piston-to-wall clearance, ring gaps) against manufacturer specifications using precision measuring tools.
4. Lubrication: Apply appropriate assembly lubricant to all bearing surfaces, piston skirts, and cylinder walls prior to assembly.

Assembly Notes:

• Ensure proper torque specifications are followed for all fasteners, especially connecting rod bolts and main cap bolts. Refer to your engine's specific service manual for these values.
• Maintain cleanliness throughout the assembly process to prevent contamination of critical engine components.
• Proper balancing of the entire rotating assembly is critical for engine longevity and performance. This kit is pre-balanced, but final verification during engine assembly is recommended.

Operating Considerations

Once the engine is assembled with the Eagle SBC Balanced Rotating Assembly, proper break-in and operational practices are essential for optimal performance and longevity.

Engine Break-in:

• Follow the specific break-in procedure recommended for your camshaft and engine type. This typically involves varying engine RPMs without sustained high loads for the initial period.
• Monitor oil pressure and engine temperature closely during the initial startup and break-in phase.
• Change engine oil and filter after the initial break-in period to remove any assembly lubricants or wear particles.

General Operation:

• Always ensure adequate engine oil levels and use the recommended oil type for your application.
• Avoid prolonged idling or lugging the engine.
• Regularly check for any unusual noises, vibrations, or performance changes that could indicate an issue.

Maintenance Guidelines

Proper maintenance is crucial for the long-term reliability and performance of your engine, especially with high-performance components like the Eagle Balanced Rotating Assembly.

• Oil Changes: Adhere to a strict schedule for oil and filter changes, using high-quality engine oil suitable for your engine's operating conditions.
• Fluid Levels: Regularly check and maintain all engine fluid levels, including coolant and power steering fluid.
• Inspections: Periodically inspect engine components for leaks, loose connections, or signs of wear. Pay attention to any changes in engine sound or feel.
• Tune-ups: Follow recommended engine tune-up schedules, including spark plug replacement and ignition system checks, to ensure efficient combustion.

Troubleshooting Common Issues

While the Eagle SBC Balanced Rotating Assembly is manufactured to high standards, issues can arise from improper installation, related component failures, or extreme operating conditions. This section provides general guidance; professional diagnosis is always recommended for complex problems.

Symptoms and Potential Causes:

• Unusual Engine Noises (Knocking/Tapping):
  • Low Oil Pressure: Check oil level and pressure.
  • Bearing Wear: Could indicate issues with main or rod bearings. Requires professional inspection.
  • Piston Slap: May occur if piston-to-wall clearance is excessive.
• Excessive Oil Consumption:
  • Worn Piston Rings: Rings may not be sealing properly.
  • Improper Break-in: Can lead to poor ring seating.
• Loss of Engine Power:
  • Compression Issues: Could be related to piston rings or valve train.
  • Timing Issues: Verify engine timing is correct.

If you experience any significant issues, cease engine operation and consult with a certified mechanic or engine specialist immediately. Attempting repairs without proper knowledge and tools can lead to further damage.

Product Specifications

Warranty and Support

Eagle products are manufactured to high standards and are backed by a manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation provided with your purchase or visit the official Eagle website.

For technical support, installation inquiries, or warranty claims, please contact Eagle customer service directly. Provide your product model number (B15402E030) and purchase details when seeking assistance.

Proposition 65 Warning: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.