The RB26DETT engine is a 2.6-liter, inline-six engine that features twin-turbochargers. It was designed to produce high horsepower and torque numbers, making it a popular engine for tuning and modification. The RB26DETT engine is known for its reliability, but like any other engine, it requires regular maintenance to keep it running at its best.
Engine specifications for Nissan RB26DETT 2.6 l
Stock modification
| Displacement | 2568 cc |
| Power system | Distributor Injection System |
| Engine power | 280 hp |
| Torque | 353 – 392 Nm |
| Cylinder block | Cast iron R6 |
| Cylinder head | Aluminum 24v |
| Cylinder diameter | 86 mm |
| Stroke | 73.7 mm |
| Compression ratio | 8.5 |
| Engine features | No |
| Hydraulic compensators | No |
| Timing Chain/Belt | Belt |
| Variable Valve Timing (VVT) | No |
| Turbocharger | twin Garrett M24 |
| Oil capacity/Recommended oil | 4.6 l 5W-30 |
| Fuel type | Medium/Plus |
| Euro class | EURO 2/3 |
| Average lifespan | 320 000 km |
Modification RB26DETT N1
| Displacement | 2568 cc |
| Power system | Distributor Injection System |
| Engine power | 280 – 510 hp |
| Torque | 390 – 540 Nm |
| Cylinder block | Cast iron R6 |
| Cylinder head | Aluminum 24v |
| Cylinder diameter | 86 mm |
| Stroke | 73.7 mm |
| Compression ratio | 8.5 |
| Engine features | No |
| Hydraulic compensators | No |
| Timing Chain/Belt | Belt |
| Variable Valve Timing (VVT) | No |
| Turbocharger | Twin Garrett T25 or GT25 |
| Oil capacity/Recommended oil | 4.6 l 5W-30 |
| Fuel type | Medium/Plus |
| Euro class | EURO 3/4 |
| Average lifespan | 300 000 km |
The catalog weight of the RB26DETT engine is 255 kg
The RB26DETT engine number is located on the cylinder block
Fuel consumption RB26DETT
The fuel consumption of the Nissan RB26DETT engine can vary depending on several factors such as driving style, vehicle weight, and road conditions. However, on average, the RB26DETT engine is known to have a fuel consumption rate of around 12-15 miles per gallon (MPG) in the city and 18-22 MPG on the highway. It’s important to note that modifications to the engine and vehicle can also impact fuel consumption.
What cars use the RB26DETT
| Skyline GT-R R32 | 1989 – 1994 |
| Skyline GT-R R33 | 1993 – 1998 |
| Skyline GT-R R34 | 1999 – 2002 |
| Stagea 260RS WC34 | 1996 – 2001 |
Maintenance
RB26DETT Maintenance Schedule
Maintaining your RB26DETT engine is important to keep it running smoothly and to prevent any potential issues. Here is a maintenance schedule that you should follow to ensure that your RB26DETT engine stays in good condition:
- Oil changes every 3,000 miles or 3 months
- Coolant system maintenance every 30,000 miles or 2 years
- Air filter maintenance every 12,000 miles or 1 year
- Spark plug replacement every 30,000 miles or 2 years
- Timing belt replacement every 60,000 miles or 5 years
RB26DETT Maintenance Tips
Proper maintenance is essential for keeping your RB26DETT engine running smoothly. Here are some tips to help you maintain your RB26DETT engine:
Oil Changes
Regular oil changes are critical to the longevity of your engine. It’s important to use high-quality oil and to change the oil filter at every oil change. A good rule of thumb is to change your oil every 3,000 miles or 3 months.
Coolant System Maintenance
The RB26DETT engine has a complex cooling system that needs to be maintained regularly. The coolant system should be flushed every 30,000 miles or 2 years to prevent any buildup of rust or debris. It’s important to use the right coolant and to follow the manufacturer’s guidelines when flushing the system.
Air Filter Maintenance
The air filter is an essential component of your RB26DETT engine’s intake system. It’s important to clean or replace the air filter every 12,000 miles or 1 year to ensure that your engine is getting the proper airflow it needs.
Spark Plug Replacement
The spark plugs are responsible for igniting the fuel and air mixture in your engine. Over time, the spark plugs can wear out and become less effective, which can lead to misfires and other issues. It’s important to replace your spark plugs every 30,000 miles or 2 years.
Timing Belt Replacement
The timing belt is a critical component of your engine’s timing system. If the timing belt fails, it can cause severe engine damage. It’s important to replace the timing belt every 60,000 miles or 5 years, whichever comes first.
RB26DETT Troubleshooting
If you’re experiencing issues with your RB26DETT engine, here are some troubleshooting tips:
- Check the oil level and quality
- Check the coolant level and quality
- Check the air filter
- Check the spark plugs
- Check the timing belt
- Check for vacuum leaks
If you’re unable to identify the issue or resolve it yourself, it’s recommended to take your car to a professional mechanic.
RB26DETT Performance Upgrades
The RB26DETT engine is a popular engine for tuning and modification. Here are some popular performance upgrades for the RB26DETT engine:
- Upgraded turbochargers
- Upgraded intercooler
- Upgraded fuel system
- Upgraded exhaust system
- Engine management tuning
It’s important to note that these modifications can significantly impact the reliability and longevity of your engine. It’s recommended to work with a professional tuner or mechanic to ensure that your engine is properly tuned and maintained.
RB26DETT Engine Rebuild
If your RB26DETT engine is experiencing severe issues or has high mileage, it may be necessary to rebuild the engine. A full engine rebuild can restore your engine to like-new condition and can be a great option for enthusiasts who want to keep their RB26DETT engine running at its best.
Maintenance Table
Keeping track of your RB26DETT engine’s maintenance schedule is important to ensure that it stays in good condition. Here’s a maintenance table that you can use to keep track of your RB26DETT engine’s maintenance schedule:
| Maintenance | Frequency |
|---|---|
| Oil changes | Every 3,000 miles or 3 months |
| Coolant system maintenance | Every 30,000 miles or 2 years |
| Air filter maintenance | Every 12,000 miles or 1 year |
| Spark plug replacement | Every 30,000 miles or 2 years |
| Timing belt replacement | Every 60,000 miles or 5 years |
Common Causes of Nissan RB26DETT Engine Problems:
- Overheating Overheating is one of the most common causes of engine problems in the Nissan RB26DETT. Overheating can be caused by several factors, such as a malfunctioning cooling system, a faulty thermostat, or a damaged radiator. When the engine overheats, it can cause damage to the engine block, the cylinder head, and other components.
- Oil Leaks Oil leaks can occur in the Nissan RB26DETT engine due to several reasons, such as worn out gaskets, damaged seals, or a cracked engine block. Oil leaks can cause a drop in oil pressure, which can lead to engine damage and decreased performance.
- Fuel Delivery Issues Fuel delivery issues can also cause engine problems in the Nissan RB26DETT. These issues can be caused by a faulty fuel pump, clogged fuel injectors, or a malfunctioning fuel pressure regulator. When the engine does not receive the right amount of fuel, it can cause a drop in power and decreased performance.
- Ignition System Problems Ignition system problems can also cause engine problems in the Nissan RB26DETT. These problems can be caused by a faulty ignition coil, damaged spark plugs, or a malfunctioning distributor. When the ignition system is not functioning properly, it can cause misfires, which can lead to decreased performance and engine damage.
Solutions to Engine Problems:
- Regular Maintenance Regular maintenance is the key to keeping your Nissan RB26DETT engine running smoothly. This includes regular oil changes, tune-ups, and inspections of the cooling system, fuel system, and ignition system. By performing regular maintenance, you can catch problems early before they become major issues.
- Cooling System Upgrades Upgrading your Nissan RB26DETT’s cooling system can also help prevent engine problems. This can include upgrading the radiator, installing a larger oil cooler, or upgrading the water pump. By improving the cooling system, you can help prevent overheating and engine damage.
- Oil Leak Repairs If you notice an oil leak in your Nissan RB26DETT engine, it is important to have it repaired immediately. This can involve replacing worn out gaskets, damaged seals, or a cracked engine block. By fixing the oil leak, you can prevent a drop in oil pressure, which can lead to engine damage.
- Fuel System Upgrades Upgrading your Nissan RB26DETT’s fuel system can also help prevent engine problems. This can include upgrading the fuel pump, replacing clogged fuel injectors, or installing a fuel pressure regulator. By improving the fuel delivery system, you can ensure that the engine receives the right amount of fuel, which can prevent a drop in power and decreased performance.
The tuning options for the Nissan RB26DETT engine
The detailed table outlining the tuning options for the Nissan RB26DETT engine:
| Tuning Option | Description | Potential Gains |
|---|---|---|
| Air Intake | Replacing the stock air intake system with a high-flow aftermarket intake | 5-10 hp |
| Exhaust System | Upgrading the exhaust system with a high-flow aftermarket exhaust | 10-20 hp |
| ECU Tuning | Remapping the engine control unit (ECU) to optimize fuel and ignition timing | 20-50 hp |
| Fuel System | Upgrading the fuel system with larger fuel injectors, fuel pump, and fuel pressure regulator | 20-30 hp |
| Turbo Upgrade | Replacing the stock turbochargers with larger, higher-flow aftermarket turbos | 50-100+ hp |
| Intercooler | Upgrading the intercooler with a larger, more efficient aftermarket intercooler | 10-20 hp |
| Camshafts | Replacing the stock camshafts with higher-performance aftermarket camshafts | 20-30 hp |
| Valve Springs | Upgrading the valve springs to handle higher RPMs and more aggressive cam profiles | 10-20 hp |
| Pistons & Rods | Upgrading the pistons and connecting rods to handle higher power levels | 50-100+ hp |
| Engine Build | Fully building the engine with high-performance components such as forged internals, high-flow cylinder head, and upgraded valvetrain | 200+ hp |
It’s important to note that the actual gains from each tuning option may vary depending on the specific modifications and condition of the engine. Also, it’s crucial to ensure that all modifications are properly installed and tuned to avoid any damage to the engine. It’s recommended to consult with a professional tuner and mechanic for any engine tuning work.
The price of a Nissan RB26DETT
The price of a Nissan RB26DETT engine can vary widely depending on a number of factors such as condition, mileage, and location. Additionally, prices may differ depending on whether you are purchasing a complete engine or just the engine block.
To give you a rough idea of the price range for a Nissan RB26DETT engine, here is a table that lists the estimated prices for different conditions and types of engines:
| Condition/Type of Engine | Estimated Price Range |
|---|---|
| Used, complete engine | $5,000 – $15,000 |
| Used, engine block only | $2,500 – $5,000 |
| Rebuilt, complete engine | $10,000 – $20,000 |
| Performance upgrade | $20,000+ |
It’s important to note that these are just estimates and prices can vary significantly depending on the specific engine and market conditions. It’s always a good idea to do thorough research and compare prices from multiple sources before making a purchase.
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