Rb26dett Head and Bottom End Rebuilds for 600+ Hp: What Brands and Parts to Choose

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The RB26DETT engine is renowned for its performance and tuning potential, especially among car enthusiasts looking to achieve 600+ horsepower. Rebuilding the head and bottom end of this legendary engine requires careful selection of brands and parts to ensure reliability and performance. In this article, we will explore the best components to consider for your RB26DETT rebuild.

Understanding the RB26DETT Engine

The RB26DETT is a 2.6-liter inline-six engine produced by Nissan, famous for its use in the Nissan Skyline GT-R. Its robust design and ability to handle significant power make it a popular choice for modifications. However, achieving over 600 horsepower requires more than just tuning; it necessitates a solid rebuild of both the head and bottom end.

Key Components for Your Rebuild

1. Cylinder Head

The cylinder head is crucial for airflow and combustion efficiency. Upgrading the head can significantly impact performance.

  • Aftermarket Cylinder Heads: Brands like HKS and Tomei offer high-performance cylinder heads designed for increased flow and power.
  • Valves and Springs: Consider using titanium valves and upgraded valve springs from brands like Supertech to handle higher RPMs.
  • Head Gasket: A multi-layer steel (MLS) head gasket is recommended for better sealing under high pressure.

2. Bottom End Components

The bottom end of the RB26DETT must be built to withstand the stresses of high horsepower. Key components include the crankshaft, pistons, and rods.

  • Pistons: Forged pistons from brands like CP or Wiseco are essential for durability under high boost conditions.
  • Connecting Rods: Upgrade to forged connecting rods from brands like Eagle or Carrillo for improved strength.
  • Crankshaft: A balanced and forged crankshaft is vital; consider brands like Tomei for high-performance options.

3. Engine Management

To maximize the performance of your rebuilt RB26DETT, a reliable engine management system is necessary. This will help you tune the engine for optimal performance.

  • ECU: Aftermarket ECUs like the AEM Infinity or Haltech Elite provide extensive tuning capabilities.
  • Wideband O2 Sensors: Installing a wideband O2 sensor is crucial for monitoring air-fuel ratios accurately.
  • Tuning Software: Use software compatible with your ECU for effective tuning and adjustments.

Choosing the right brands for your RB26DETT rebuild is essential for achieving reliability and performance. Here are some of the top brands to consider:

  • HKS: Known for high-quality performance parts, HKS offers a range of products for the RB26DETT.
  • Tomei: Tomei specializes in performance tuning parts and is highly regarded in the Nissan community.
  • CP Pistons: CP is known for its durable forged pistons that can withstand high horsepower applications.
  • Supertech: Offers high-performance valves and springs designed for racing applications.

Final Thoughts on RB26DETT Rebuilds

Rebuilding the RB26DETT for 600+ horsepower is a challenging but rewarding endeavor. By carefully selecting the right brands and parts, you can create a powerful and reliable engine that delivers exceptional performance. Remember to consider your specific goals and driving conditions when choosing components for your rebuild.

With the right knowledge and parts, your RB26DETT can become a formidable powerhouse on the road or track.