Nissan S15 SIlvia
The Nissan S15 Silvia is a heavily engineered, high-performance example that combines the lightweight, rear-wheel-drive character of the iconic S-chassis with the substantial power and tuning potential of a fully forged RB25DET engine, producing an astonishing 600bhp. Replacing the original four-cylinder powerplant with Nissan’s legendary 2.5-litre turbocharged straight-six, the fully forged engine has been built to withstand the increased cylinder pressures and demands associated with serious performance driving, while a methanol setup allows the engine to operate at higher boost and ignition levels when correctly calibrated.
The resulting power output transforms the already lightweight S15 into a seriously rapid machine, with the RB25DET delivering the distinctive straight-six character, strong torque and aggressive turbocharged acceleration for which these engines are renowned. Supporting such substantial power requires a comprehensively upgraded drivetrain, cooling system, fuel system, engine management, turbocharging hardware and suspension, while the S15’s inherently balanced chassis and rear-wheel-drive layout provide an ideal platform for exploiting the performance.
Visually, the Silvia retains the unmistakable low-slung proportions and aggressive styling that have made the S15 a Japanese performance icon, while its combination of a forged RB25DET, 600bhp output and extensive performance engineering gives this particular example a far more serious character than a standard car. With its legendary Nissan heritage, lightweight chassis, straight-six turbo power and considerable motorsport and tuning pedigree, this S15 Silvia represents a highly specialised build aimed squarely at enthusiasts seeking extreme performance while retaining the distinctive appeal of one of Japan’s most celebrated rear-wheel-drive coupes.
⚡ Key Details
2001 Model
Fully Forged RB25DET Engine
8-Speed ZF 8HP70-8 Gearbox
Extensive Service History
Gloss Black Paintwork
Engine (RB25DET)
Fully Forged RB25DET Engine
Tomei 256 Cams
Otaku Forward-Facing Plenum
Top-Mounted JS Garage Injectors
Pulsar G30-990 Turbo
Funk Motorsport Turbo Blanket
Funk Motorsport Heat-Protection Sleeving on Turbo-Side Lines
Walton Motorsport Equal-Length Manifold
Turbosmart 45mm Wastegate
Ross Performance 36-Tooth Crank Trigger Kit
JS Garage Cam Angle Sensor Kit
Delphi Coil Packs
Electronic Throttle Body
Greddy Thermostatic Oil Relocation Plate
HKS Cambelt and Water Pump
Custom All V-band Exhaust — 4" Downpipe, 3.5" Back
Walbro 244 in-Tank Fuel Pump
2x Walbro 244 Dual Fuel Pumps in Swirl Pot
AN PTFE Braided Fuel, Oil and Water Lines
3.5" Intercooler with Taarke Couplings
AEM Fuel Regulator
Vibra Technics Engine Mounts
Cooling & Electrical
Link ECU with Full Custom Engine Loom
Uprated 140amp Alternator Kit
JS Garage Dual-Pass Under-Panel Radiator
Laser-Cut Fan Shroud with 2x 10" SPAL Fans
Battery Relocated to Boot
Gearbox Thermostatic Oil Adapter with 25-Row Cooler
25-Row Engine Oil Cooler
Drivetrain
8-Speed Clutch Emulator
Turbo Lamik Gearbox Controller, Loom and On-Car Selector
350Z 3.3 LSD Diff
GK Tech Large-Capacity 2-Bolt Diff Cover
350Z Drive Shafts
Solid Diff Bushes
Chassis, Suspension & Brakes
Chassis Re-Seam Sealed
R33 Skyline Front and Rear Brakes
Hawk Performance Pads
Braided Brake Lines Front and Back
CS2 coilovers, 16-Way Adjustable
Geomaster 2S Front Hubs / Geomaster 2 Rear Hubs
Japspeed Front Tension Arms
Poly-Bushed Front Lower Control Arms
Superforma Solid Riser Subframe Bushes
Hardrace Rear Camber, Traction and Toe Arms
Polybushed Rear Lower Control Arms
Exterior Features
18" Workemotion 5-Spoke Alloy Wheels in Gloss Bronze
EP Racing Bumpers and Side Skirts
Dmax Front Wings and Spoiler
Carbon Cooling Panel
Interior Features
Haltech iC7 Digital Dash with GPS Module
Genuine Nardi Steering Wheel
Bride Brix 2 Reclining Bucket Seats
350Z Electronic Throttle Pedal
8HP70 Clutch Pedal
DCT Custom Shifter with in-Car Gearbox Selector
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