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MTK Archives · Mazda RX-7 FD
Lead FD3S
Engine13B-REW
TurboTD06-25G (pre…
Displacement1308 cc
Lead’s Model IV FD is built around versatility rather than a headline figure: it drifts, it grips, and it stays usable on the street. A side-ported 13B-REW on a TD06-25G replaced an earlier T88 for low and mid-range response. The bodywork is the standout — a one-off 15-point cage welded to the B-pillars and roof, seam-welded panels and pulled-out fenders.
Car Gallery7 scans
Overview
| Chassis Code | FD3S |
|---|---|
| Trim / Grade | Model IV |
| Drivetrain Layout | FR |
| Concept | Versatile FD equally at home drifting and gripping, and still usable on the street |
Engine
| Engine Code | 13B-REW |
|---|---|
| Displacement | 1308 cc |
| Air Filter | HKS |
Rotary
| Porting | Side port, original specification |
|---|
Forced Induction
| Turbo / Turbine | TD06-25G (previously a T88) |
|---|---|
| Exhaust Manifold | One-off stainless, 60mm |
Fuel & Ignition
| Injectors | 850cc x 4 |
|---|---|
| Fuel Pump | Nissan GT-R |
| Fuel Pressure Regulator | SARD |
Engine Management
| ECU | HKS F-CON V Pro |
|---|
Exhaust
| Exhaust / Muffler | One-off stainless with a large silencer — quiet, but free-flowing |
|---|---|
| Piping | One-off centre pipe; 80mm front pipe and 80mm muffler piping |
Cooling
| Radiator | Two-layer wide aluminium |
|---|---|
| Oil Cooler | Single cooler |
Drivetrain
| Clutch | HKS twin-plate |
|---|---|
| Transmission | HKS sequential dog |
| Differential (Rear) | CUSCO RS |
| Driveline Notes | Original power plant frame, developed because the stock item twisted quickly when the car was driven sideways |
Suspension
| Dampers / Coilovers | Racing Gear, original setting |
|---|---|
| Spring Rate (Front) | 16 kg/mm |
| Spring Rate (Rear) | 16 kg/mm |
| Chassis Bracing | MAZDASPEED tower bar, AutoExe member brace |
| Suspension Notes | Original reinforced tie rods, original toe-control arms, Satoru Works knuckles |
Brakes
| Pads | ENDLESS CCX |
|---|
Wheels & Tires
| Wheels | Work Meister S1 |
|---|---|
| Wheel Size (Front) | 17" 9J ET0 |
| Wheel Size (Rear) | 17" 9J ET-12 |
| Tires | Yokohama ADVAN A048 |
| Tire Size (Front) | 255/40R17 |
| Tire Size (Rear) | 255/40R17 |
Chassis & Rigidity
| Roll Cage | One-off 15-point, welded to the B-pillars and roof, with boxes fabricated where it concentrates |
|---|---|
| Reinforcement | Panel seam welding throughout, plus pulled-out fenders with folded edges |
Exterior & Aero
| Aero Kit | Weber Sports |
|---|---|
| Front Bumper | Removable, held on fasteners to avoid damage while drifting and fixed in place for time attack |
| Fenders | Pulled-out originals with folded edges |
| Wing / Spoiler | Mission GT wing |
Interior
| Seats | BRIDE Choco 3 |
|---|---|
| Steering Wheel | NARDI Classic on a Works Bell boss |
Other
| Roll Cage Price | Supplied and fitted for around ¥500,000 |
|---|---|
| Power Plant Frame Price | ¥179,800 |
| Fender Price | ¥120,000 per set |
| Engine Rebuild | From ¥280,000 to stock specification |