Litchfield - Nissan GTR Performance Pack Upgrades
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Select a highlighted area on the interactive image below to view Performance Upgrade options for the Nissan GT-R.
To view the Litchfield GTR Performance Pack upgrades, Stage 1 to 6, please click here:
Since early 2008 we have been working on a range of performance upgrades for the latest Nissan GTR. We have upgraded a large number of cars with everything from a simple Y-pipe, all the way to 800bhp+ turbo conversions. Our tuning packages have received critical acclaim and our 700bhp conversion helped us win Tuner of the Year 2010 from Evo Magazine.
In February 2011 we bought an Enhanced 2011 Nissan GTR and were the first company in the world to offer tuning solutions for this new car.
Our Engine packages uses the latest ECUTEK RACE ROM software, which we helped to develop, to insure the very best in performance, economy and reliability.
Engine Power Upgrades
Below is a number of key power upgrade stages designed to show the sort of changes required to reach different power levels. However we offer a bi-spoke service which we can tailor to your personal requirements. Please feel free to contact with any questions you have.
Stage 1 - 570bhp Litchfield Power Upgrade
Our Stage 1 upgrade brings out the full benefit of the Y-pipe and incorporates a recalibration of the GTRs engine management system. This recalibration will release an extra 60-70bhp and transform the way the GTR performs without pushing the limits of Nissans original engine parameters.
The Stage 1 Power upgrade includes:
- Milltek Y-Pipe
- Improved boost control with custom Ecutek code
- Adjustable boost using the steering wheels Cruise Control button
- Revised ignition control, Variable Valve timing and Fuel maps
- Reduced fuel consumption (especially on partial throttle conditions)
- Increase in both power and torque across the whole rev range
- Litchfield RACEROM Switchable maps for enhanced Economy mode and full Race mode
- Litchfield Custom Launch Control settings when used with Gearbox Software upgrade
As reviewed by Evo Magazine
The Stage 1 package costs £1095 fitted inc. VAT
Already have a Y- Pipe installed? For the ECU Remap to take power to Stage 1 is just £600 Inc. VAT
Stage 2 - 590bhp Litchfield Power Upgrade
Our Stage 2 upgrade features the Y-pipe and the rest of Milltek's performance exhaust system which replaces the restrictive standard rear silencer. To further improve the engines breathing the paper intake filters are replaced with free flowing K&N units. These filters not only aid performance but are also washable to insure consistent performance over time.
Combined with our unique ECU recalibration this upgrade lifts performance to an incredible 590bhp. The Stage 2 upgrade is our most popular upgrade after the initial Y-pipe.
The Stage 2 Power upgrade includes:
- Replacement Performance Air filters
- Milltek Y-Pipe Milltek rear exhaust system
- Exhaust back pressure reduced by over 37%
- Improved boost control with custom Ecutek code
- Revised ignition control, Variable Valve timing and Fuel maps
- Reduced fuel consumption (especially on partial throttle conditions)
- Increase in both power and torque across the whole rev range
- Litchfield RACEROM Switchable maps for enhanced Economy mode and full Race mode
- Litchfield Custom Launch Control settings when used with Gearbox Software upgrade
The Stage 2 package costs £2,747 fitted inc. VAT
Stage 3 - 600bhp Litchfield Power Upgrade
Our Stage 3 upgrade uses our larger Performance Intake kit. This kit features our large capacity cone filters (as used by the latest British Touring Cars) which receive cold air from behind the front bumper. Smooth Mandel bent pipe work insures great air flow around the whole of the filter to allow the engine to brief as freely as possible. The intake kits also have a larger diameter CNC machined MAF housing. This allows for more ECU map resolution at higher power levels where the smaller OEM housing would not be able to continued detailed measurement.
Like the Stage 2 upgrade it also features the Milltek Y-pipe, exhaust system and a new ECU calibration for the larger intakes.
The Stage 3 Power upgrade includes:
- Litchfield Large Bore performance intake kit with larger MAF housing
- Milltek Y-Pipe
- Milltek rear exhaust system
- Exhaust back pressure reduced by over 37%
- Improved boost control with custom Ecutek code
- Revised ignition control, Variable Valve timing and Fuel maps
- Reduced fuel consumption (especially on partial throttle conditions)
- Increase in both power and torque across the whole rev range
- Litchfield RACEROM Switchable maps for enhanced Economy mode and full Race mode
- Litchfield Custom Launch Control settings when used with Gearbox Software upgrade
The Stage 3 package costs £3,176 fitted inc. VAT
Stage 4 - 620bhp Litchfield Power Upgrade
At power levels over 600bhp the standard fuel injectors will be at 100% duty so the stage 4 kit features our larger 1,100cc injectors to insure the engine receives the correct amount of fuel. These Bosch Motorsport based injectors have a superb spray pattern so fuel consumption and driveability are as good, if not better, than the standard OEM 570cc injectors. These are the same injectors we use in our 800bhp conversions.
Like the Stage 3 upgrade it also features the Milltek Y-pipe, exhaust system, large bore intake kit and a new ECU calibration for the larger injectors.
The Stage 4 Power upgrade includes:
- Litchfield 1,100cc Bosch Injectors
- Litchfield Large Bore performance intake kit with larger MAF housing
- Milltek Y-Pipe
- Milltek rear exhaust system
- Exhaust back pressure reduced by over 37%
- Improved boost control with custom Ecutek code
- Revised ignition control, Variable Valve timing and Fuel maps
- Reduced fuel consumption (especially on partial throttle conditions)
- Increase in both power and torque across the whole rev range
- Litchfield RACEROM Switchable maps for enhanced Economy mode and full Race mode
- Litchfield Custom Launch Control settings when used with Gearbox Software upgrade
The Stage 4 package costs £4,262 fitted inc. VAT
Stage 5 - 750bhp Litchfield Power Upgrade
Stage 5 is where things get really take off! This stage includes our new improved Billet turbo design. The most popular option was to run the hybrid VF34 IHI ball bearing core (standard fit on a Subaru) with our larger billet compressor wheel. However midway through 2011, and after testing various options on our own car, we have switched to the more advanced Garrett ball bearing cores for all our turbo conversions. These have produced incredible results with a significant improvement in both response and power.
We have been using these cores in all our Subaru Turbo conversions for many years and first used the Garrett cores on our Evo Tuned Car Of The Year build back in 2010. These are available in a number of different variations which we can discuss with each customer to make sure we get the ideal match.
Along with the larger turbos we recommend switching to an improved intercooler design from Forge Motorsport. Testing has shown that higher power levels the standard intercoolers can become overwhelmed. After considerable trials, we found that the most efficient design for the GTR was a core of tube and fin design, and along with an overall increase in dimensions we have been able to improve the cooling ability and reduce the pressure loss across when compared to stock intercoolers.
The Stage 5 Power upgrade includes:
- Litchfield custom Ball Bearing Turbo conversion with Billet Compressor Wheels
- Forge front mounted intercooler with hard piping kit
- Litchfield Turbo intake pipes
- Litchfield 1,100cc Bosch Injectors
- Twin fuel pumps
- Litchfield Large Bore performance intake kit with larger MAF housing
- 90mm Milltek full exhaust system with 321 Stainless Steel Down Pipes
- Improved boost control with custom Ecutek code
- Revised ignition control, Variable Valve timing and Fuel maps
- Reduced fuel consumption (especially on partial throttle conditions)
- Increase in both power and torque across the whole rev range
- Litchfield RACEROM Switchable maps for enhanced Economy mode and full Race mode
- Litchfield Custom Launch Control settings when used with Gearbox Software upgrade
The Stage 5 package CALL
Stage 6 - ???
We are currently working on a number of projects which will see the GTR engine producing 750-1,000+bhp. Please feel to contact us to discuss your project goals.
2012 Gearbox Software update with Driver Adjustable Launch Control
We are pleased to release the Gearbox software update for all 2008 - 2010 Nissan GTRs which will bring the Gearbox software calibration up to date with the latest 2012 model. This change will significantly improve the gearbox operation and transform the way the car drives. When combined with our Engine Ecu upgrades is gives the car Driver Control Adjustable Launch Control for the perfect get away.
The upgrade includes:
- Much improved gearbox control
- Smoother pulling away from Junctions
- Improved hill start mode
- Holds TCM and Traction settings in Race Mode when switching between Automatic and Manual modes
- Latest Nissan Launch Control settings (LC4)
- Custom Driver Adjustable Launch RPM with Cruise Control switch
- Adjustable Launch Mode Fueling, Ignition Timing, Variable Valve Timing and more to help big turbo cars create boost at idle.
The 2012 Gearbox software with revised Launch Control is £300 inc. VAT
GT-R Engine Management Upgrades
Key to our performance upgrades is our close work with Engine management specialists and long term partners, ECUTEK.
In early 2008 Litchfield provided ECUTEK with a GTR for their ECU development work. Detailed testing has been continuous with the car on a variety of dynos including ECUTEK's state of the art R&D facility, road and circuit testing including the famous Nurburgring. ECUTEK are the world leaders in ECU program with solutions provided to the aftermarket and manufactures including Mitsubishi, Subaru UK and Prodrive to name just a few.
They have been able to provide Litchfield with their advanced software (including unique BETA versions) which has enabled us tune the GTR's ECU to provide fantastic improvements in performance.
More details on our ECUTEK upgrades available here