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MTK Archives · Mazda Roadster NA
Jubiride NA6C
EngineB6-ZE
Displacement1597 cc
Jubiride approaches the NA6CE Mazda Roadster with a philosophy rooted in endurance racing, focusing on maximizing the potential of the lightweight FR platform. Operating from Oyama City, the shop developed this demo car to showcase accessible, high-efficiency bolt-on tuning solutions that enhance both street and track driving performance.
Car Gallery10 scans
Overview
| Chassis Code | NA6C |
|---|---|
| Drivetrain Layout | FR |
| Shop Location | Oyama City |
| Concept | Bringing out the possibilities of the lightweight FR Roadster using accessible, bolt-on tuning solutions. |
Engine
| Engine Code | B6-ZE |
|---|---|
| Displacement | 1597 cc |
| Cam Sprockets | Jubiride adjustable |
| Throttle Bodies | AE101 4-throttle |
| Intake Manifold | Jubiride |
Fuel & Ignition
| Injectors | 295cc x 4 |
|---|---|
| Spark Plugs | HKS S35 |
| Ignition | NGK plug cords |
Engine Management
| ECU | Freedom |
|---|---|
| Management Notes | D-Jetronic system |
Exhaust
| Exhaust / Muffler | Jubiride Sports Muffler Type-S |
|---|---|
| Piping | 60φ main, 90φ tail |
Drivetrain
| Clutch | Jubiride metal |
|---|---|
| Flywheel | Jubiride 3.7 kg chromoly |
Suspension
| Dampers / Coilovers | One-off 8-step adjustable coilovers |
|---|---|
| Spring Rate (Front) | 12 kg/mm |
| Spring Rate (Rear) | 10 kg/mm |
| Sway Bars | Tanabe Sustec |
Brakes
| Pads | Jubiride Sports Street |
|---|
Wheels & Tires
| Wheels | RS Watanabe |
|---|---|
| Wheel Size (Front) | 15" 8J ET0 |
| Wheel Size (Rear) | 15" 8.5J ET-6 |
| Tires | Yokohama DNA |
| Tire Size (Front) | 205/50R15 |
| Tire Size (Rear) | 225/50R15 |
Chassis & Rigidity
| Roll Cage | Saito 6P |
|---|---|
| Reinforcement | Spot welding |
Exterior & Aero
| Front Bumper | Jubiride Front Bumper Spoiler |
|---|---|
| Rear Bumper | Jubiride Rear Bumper Spoiler |
| Side Steps | Jubiride Side Step |
| Fenders | Jubiride Over Fenders |
| Exterior Notes | Jubiride intake duct cover |