Your cart is currently empty!
MTK Archives · Nissan Silvia S15
Moonface S15
Power480 HP
EngineSR20DET
TurboHKS GT3037S
Moonface presents a circuit-focused Nissan Silvia S15 developed to achieve ultimate total balance and repeatable track performance. Designed specifically to excel at Tsukuba Circuit, the build combines a lightweight, highly rigid chassis with functional C-WEST GT-type aerodynamics, optimized suspension geometry, and driver-focused mechanical refinement.
Car Gallery11 scans
Overview
| Chassis Code | S15 |
|---|---|
| Drivetrain Layout | FR |
| Vehicle Weight | 1080 kg |
| Concept | A balanced circuit-focused time attack package engineered for total balance and response. |
Engine
| Engine Code | SR20DET |
|---|---|
| Power | 480 HP |
| Power RPM | 6800 rpm |
| Boost | 1.5 bar |
| Displacement | 2200 cc |
| Pistons | Tomei 87φ forged |
| Connecting Rods | Tomei H-beam |
| Camshafts | Tomei IN/EX 270° 12.5mm lift |
| Cylinder Head | RPS13 straight port |
| Throttle Bodies | N15 70φ |
| Intercooler | Blitz LM |
Forced Induction
| Turbo / Turbine | HKS GT3037S |
|---|---|
| Exhaust Manifold | Original equal-length stainless |
Fuel & Ignition
| Injectors | 850 cc x 4 |
|---|---|
| Fuel Pump | Tomei in-tank, Bosch collector tank |
| Surge / Collector Tank | High capacity |
Engine Management
| ECU | Tomei Reytech |
|---|
Exhaust
| Exhaust / Muffler | Original 90φ titanium muffler |
|---|---|
| Piping | 90φ |
Cooling
| Radiator | Aluminum |
|---|
Drivetrain
| Clutch | Nismo G-Max |
|---|---|
| Transmission | OS Giken 5-speed cross |
| Final Drive | 4.3 |
| Differential (Rear) | ATS carbon LSD 1.5-way |
Suspension
| Dampers / Coilovers | MF-R Function R |
|---|---|
| Spring Rate (Front) | 9 kg/mm |
| Spring Rate (Rear) | 8 kg/mm |
| Suspension Notes | Geometry correction, rear multi-link bump stop adjustment |
Brakes
| Calipers | Front Endless 6-pot, Rear BCNR33 Brembo |
|---|---|
| Pads | Endless MA-11 |
Wheels & Tires
| Wheels | Sprint Hart CP035 |
|---|---|
| Wheel Size (Front) | 17" 9.5J ET20 |
| Wheel Size (Rear) | 17" 9.5J ET20 |
| Tires | Advan A048 |
| Tire Size (Front) | 255/40R17 |
| Tire Size (Rear) | 255/40R17 |
Chassis & Rigidity
| Roll Cage | 9-point |
|---|---|
| Reinforcement | Spot welding |
Exterior & Aero
| Aero Kit | C-WEST GT type full aero |
|---|---|
| Wing / Spoiler | C-WEST GT Wing 2 |
| Diffuser / Underbody | Under panel |
| Exterior Notes | Internal trunk pedestal for rear wing |
Interior
| Interior Notes | Trunk-mounted battery relocation |
|---|
Performance
| Lap Time | 0'58"10 |
|---|---|
| Circuit | Tsukuba Circuit |
| Notable History | Fastest H-pattern transmission Silvia |