Description
Part Number: 30020
FiTech Go EFI Classic 650HP Self-Tuning System (Classic Gold Finish)
Combine vintage aesthetic with cutting-edge fuel injection technology using FiTech’s self-learning 650HP throttle body system featuring an external ECU and classic gold body finish.
Key Features & Performance Highlights
- ☑ Period-Correct Aesthetic: Classic carburetor gold finish with hidden fuel injectors and an external ECU for an authentic vintage engine bay appearance.
- ☑ 650 HP Support: Equipped with 4 high-flow internal injectors supporting naturally aspirated engines up to 650 HP on gasoline or E85.
- ☑ Advanced Self-Tuning: Built-in Bolt-N-Go adaptive fuel mapping continuously learns and adjusts using the included genuine Bosch LSU 4.2 Wideband O2 sensor.
- ☑ Universal Fitment: Dual-pattern flange directly mounts onto standard 4150 Square Bore and Spread Bore 4-barrel intake manifolds.
- ☑ Integrated Controls: Features ignition timing control, coil driver, tachometer input (HEI/MSD/Coil), electric fan control, and AC idle-kickup input.
- ☑ User-Friendly Handheld: Includes a high-resolution full-colour touchscreen display for real-time sensor monitoring, tuning adjustments, and initial setup.
Technical Specifications
| Brand | FiTech Fuel Injection |
|---|---|
| Manufacturer Part Number | 30020 |
| Horsepower Rating | Up to 650 HP (Naturally Aspirated) |
| Finish | Classic Carburetor Gold |
| Flange Compatibility | Dual Pattern (4150 Square Bore & Spread Bore) |
| Throttle Bore Diameter | 4 x 45mm |
| Injectors | 4 x Flow-Matched Internal Injectors |
| ECU Mounting | External Module (Discreet Engine Bay or Cabin Mount) |
| Operating Fuel Pressure | 58 PSI (High-Pressure Electric Fuel Pump Required) |
| Fuel Type | Unleaded Gasoline & E85 Compatible |
| Oxygen Sensor | Genuine Bosch LSU 4.2 Wideband Sensor |
What’s Included in the Box
- FiTech 4-Bore Throttle Body Assembly in Classic Gold Finish
- Externally Mounted Self-Learning ECU Unit & Main Harness
- Full-Colour Touchscreen Handheld Controller & Cable
- Windshield Mount Bracket for Handheld Controller
- Genuine Bosch LSU 4.2 Wideband Oxygen Sensor
- Clamp-On Exhaust Oxygen Sensor Bung Kit with Stainless T-Bolt Clamps
- Coolant Temperature Sensor (3/8″ NPT) with 1/2″ NPT Adapter
- Gaskets, Mounting Hardware, and Wiring Harnesses
Engineered by FiTech Fuel Injection, the Go EFI Classic system gives classic car owners modern self-learning reliability without compromising on period-correct style. Available at JP Racing with fast UK dispatch, competitive pricing, and dedicated motorsport technical assistance to ensure your installation goes smoothly.




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