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| 1990 Nissan R32 GTR Group E Falken Bathurst 12 Hour. including the actual car tested and winner of Wheels Car of the Year magazine |
Nismo R2 RB26DETT Engine |
| Engine | Engine Overhaul | Photos | Links Fitted to: Clubman Race Spec (CRS), Customer Cars |
Engine
| R1 has achieved overwhelming power and high durability by combining high-precision work with high-performance parts such as port step correction by skilled mechanics, piston connecting rod weight adjustment, crank & pulley integrated balancing. The R2 was developed as a normal evolution model of the R1 with the aim of improving medium speed torque and accelerator response while maintaining high performance and durability reliability. It has improved feeling in street use and excellent pickup characteristics at the start of a corner in circuit driving. It has high acceleration performance in every scene. Introduced approx. 2012 |
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 (R1 parts) |
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| Engine Model | RB26DETT "R2 (R-tune concept ENGINE Spec 2)" Specification |
| Total Displacement | 2,568 cc |
| Maximum Output | 450 ps |
| Maximum Torque | 48 kg · m |
| R2 New Parts: | |
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R2 dedicated camshaft The cam profile has been changed to a characteristic close to the Z-tune specification, and the torque in the medium speed range has been significantly improved by optimizing the operating angle and valve timing. |
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Genuine injector and dedicated delivery pipe for NISSAN GT-R (R35) Uses genuine injector for NISSAN GT-R (R35) with excellent fuel atomization performance. The engine revs up lighter and the response improves. In addition, gasoline dilution is low, and it is effective in improving fuel efficiency when used in combination with low-viscosity oil. |
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R2 dedicated ECM |
| R2 ornament | |
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Designated oil COMPETITION OIL type 2193E (5W40) is the designated oil. |
| Existing Parts from R1 Engine: | |
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Engine Block N1 Specification (GT500 optional). Emphasis is placed on durability in circuit use, and an N1 engine block is used. Provides safety and reliability even under severe use conditions. |
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R1 turbo kit (NISMO). BNR34 N1 specification ball bearing type large capacity type / with reinforced actuator. In order to improve the output in the high rotation range, a large-capacity turbo with a GT turbine and ball bearings is installed. Reinforced actuator set. |
| Piston & ring (N1 specification) | |
| Main bearing (F112 material + new overlay plating NISMO) | |
| Connecting rod bearing (F112 material + new overlay plating NISMO) | |
| Reinforced oil pump (NISMO) | |
| Head gasket (0.9mm metal NISMO) | |
| Spark plug #8 (NISMO) | |
| Water pump (genuine product) | |
| Turbo outlet (large capacity type NISMO) | |
| Exhaust manifold (BNR34 N1 specification) | |
| Heat shield tape (50mm NISMO) | |
| Air flow meter (Large capacity type NISMO) | |
| Reinforced oil pump (NISMO) | |
| Reinforced timing belt (Material reinforced product NISMO) | |
| Oil pan baffle plate (NISMO) | |
| Sports air filter (NISMO) | |
| Throttle chamber color (NISMO) | |
| Exhaust manifold spacer (Anti-distortion product NISMO) | |
| Rubber plug, hose drain, head cover washer, ring rubber (genuine product) | |
| Port Alignment & Manifold Stepped Correction Processing (IN & EXH;) | |
| Piston & connecting rod weight adjustment, crank & pulley integrated balance | |
| Engine bench check | |
| O2 sensor (BNR32 only) | |
| Other parts check: | Motion system - Crank pulley, etc |
| Lubrication / cooling system - COMPETITION OIL type 2193E (5W40) (for one vehicle), radiator cap, reservoir tank, etc. | |
| Intake system / idle system - AAC valve, air regulator, etc. | |
| Fuel system - Fuel pressure regulator, fuel strainer, etc. | |
| Ignition system and electrical system - EGI sub-harness, coil sub-harness, oil pressure sensor, etc. | |
| Hose - Heater return pipe, water hose (one set), air hose (one set), oil return hose (one set), heater hose (one set), boost hose (one set), fuel hose (one set), radiator hose (one set), etc. | |
| Belts - Belt tensioner, idler pulley, reinforced timing belt, compressor belt, power steering belt, fan & alternator belt, etc. | |
| Mount related parts, etc. - Engine mount, mission mount, T / M member bush, oil seal, other short parts | |
| Optional Parts: | |
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Air inlet pipe (BCNR33, BNR34 only) |
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R-tune air cleaner duct (BNR34 only) |
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Oil cooler |
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Sports radiator |
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Radiator cap |
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SUPER COPPERMIX TWIN (Twin plate clutch) |
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NISMO Intercooler |
| BNR32 + BCNR33: | It is highly recommended to upgrade to GETRAG 6 speed manual. |
| In May 2016 the pricing was significantly increased and the engine overhaul was much more detailed, see below. | |
| Warranty period: The engine and peripheral parts are guaranteed for one year or 10,000 km after S1. | |
| Price (BNR34): | 2,310,000 yen (2012). |
| 4,500,000* yen (May 2016). | |
| * Up to 5,500,000 yen depending on vehicle condition. | |
| Price (BNR34 N1/Nur): | 1,848,000 yen (2012) |
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Engine Overhaul
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| - Engine removal / installation |
| - Engine assembly, inspection |
| - Bench & chassis die |
| - Parts fee |
| - Chemicals |
| Work Contents: | ||
| 1. In-Vehicle Inspection | Basic Menu | Additional Menu |
| Engine Room | Compression measurement, consult, abnormal noise, idling etc. | - |
| 2. Engine Down | Basic Menu | Additional Menu |
| Body | Engine lowering work, inspection of each part of the vehicle body joint | - |
| Engine Connection | Clutch disc inspection, clutch cover inspection, release bearing replacement, flywheel inspection | |
| 3. Cylinder Head | Basic Menu | Additional Menu |
| Body | Cleaning, carbon removal, distortion inspection | Port step correction processing (INT & EXH), port casting surface polishing & correction in port, manifold casting surface polishing (INT), surface polishing, combustion chamber volume adjustment (6 cylinders) |
| 4. Valve System | Basic Menu | Additional Menu |
| Valve | Cleaning, carbon removal, stem diameter measurement, bend inspection, airtight measurement, sliding | Seat cut, seat exchange (24 locations) + seat cut Valve guide exchange (EXH: 12) + centering + seat cut Camshaft bend correction (INT & EXH) |
| Valve Guide | Gap measurement with valve stem | |
| Valve Spring | Cleaning, set load measurement | |
| Retainer, Sheet, Cotter | Cleaning and visual inspection | |
| Lifter | Cleaning, diameter measurement, contact surface visual inspection | |
| Camshaft | Cleaning, diameter measurement, bending measurement | |
| Pulley (Cam & Timing) | Cleaning and visual inspection | |
| Sim | Clearance measurement and adjustment | |
| 5. Cylinder Block | Basic Menu | Additional Menu |
| Block Body | Cleaning, carbon removal, distortion adjustment, bore measurement | Bore & clearance adjustment (Pawning, Honing) |
| Oil Jet | Cleaning and visual inspection | |
| 6. Motor System | Basic Menu | Additional Menu |
| Piston & Pin | Carbon drop, diameter measurement, cleaning | Piston and connecting rod weight adjustment (6 cylinders) Crank bending correction High precision balance adjustment (pulley + crank) Main bearing adjustment (7 places), Connecting rod bearing adjustment (6 places) |
| Piston Ring | Standard replacement designated parts | |
| Connecting Rod | Cleaning, bending, twist inspection, thrust gap measurement | |
| Connecting Rod Bearing | Washing, visual inspection, replacement | |
| Crankshaft | Cleaning, bending, thrust measurement, crankpin & journal polishing lapping | |
| Main Bearing | Cleaning, visual inspection, replacement | |
| Crank Pulley | Standard replacement designated parts | |
| 7. Lubrication System | Basic Menu | Additional Menu |
| Oil Pump | Cleaning check | - |
| Strainer | Cleaning and visual inspection | |
| Guide, Oil Level Gauge | Standard replacement designated parts | |
| Oil Filter Bracket | Cleaning and visual inspection | |
| Oil Pressure Switch | Standard replacement designated parts | |
| Oil Van & Baffle | Cleaning and visual inspection | |
| 8. Cooling System | Basic Menu | Additional Menu |
| Water Pump | Standard replacement designated parts | - |
| Thermostat | Standard replacement designated parts | |
| Tank, Reservoir | Standard replacement designated parts | |
| Cap, Reservoir Tank | Standard replacement designated parts | |
| Radiator Cap | Standard replacement designated parts | |
| Cooling Fan | Standard replacement designated parts | |
| 9. Intake System | Basic Menu | Additional Menu |
| Air Filter | Standard replacement designated parts | - |
| Air Flow Meter | Standard replacement designated parts | |
| Surge Tank | Cleaning and visual inspection | |
| Throttle Chamber | Cleaning and visual inspection | |
| Intake Manifold | Cleaning and distortion inspection | |
| Balance Tube | Cleaning, visual inspection, O-ring replacement | |
| Boost Hose | Exchange | |
| 10. Exhaust System | Basic Menu | Additional Menu |
| Exhaust Manifold | Carbon removal, distortion check, cleaning | - |
| Exhaust Outlet | Carbon removal, distortion check, cleaning | |
| Turbocharger | Standard replacement designated parts | |
| 11. Idle System | Additional Menu | |
| AAC Valve | Standard replacement designated parts | - |
| Air Regulator | Standard replacement designated parts | |
| 12. Fuel System | Basic Menu | Additional Menu |
| Injector | Fuel pressure check (bench), O-ring replacement | - |
| Pressure Regulation Letter | Cleaning and visual inspection | |
| Fuel Strainer | Standard replacement designated parts | |
| Fuel Hose | Standard replacement designated parts | |
| Fuel Chamber | Cleaning and visual inspection | |
| 13. Ignition System | Basic Menu | Additional Menu |
| Plug | Standard replacement designated parts | - |
| Ignition Coil | Standard replacement designated parts | |
| Power Transistor | Standard replacement designated parts | |
| EGI sub harness | Standard replacement designated parts | |
| Coil Sub Harness | Standard replacement designated parts | |
| Crank angle sensor | Standard replacement designated parts | |
| 14. Bench Operation | Basic Menu | Additional Menu |
| Completion Inspection | Wrapping, confirmation of normal operation, compression measurement, endoscope inspection, operation confirmation of each sensor | - |
| Performance Test | Fully open performance (only for new turbo) | |
| 15. Vehicle Mounting | Basic Menu | Additional Menu |
| Engine Room Etc | Inspection of various parts of vehicle body connection, inspection of cooling water bleeding (LLC), replacement of engine mount (FR), replacement of engine mount (RR), replacement of T / M member push, cleaning of engine room | - |
| Plate | Engine plate with serial number | |
| 16. Road Test | Basic Menu | Additional Menu |
| Completion Inspection | Various meter checks (oil temperature, oil pressure, water temperature, boost), engine noise, vibration check, warning light check, clock time adjustment etc. | - |
| Note: This is a direct Google translation. | ||
Photos
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Links
| Nismo R2 |
| Nismo R2 (2012) |
| BNR34GT-R - Nismo Works Special - S2 & R2 Engines Explained |