Bosch 200 / 044 External High-Pressure Motorsport Fuel Pump — Calibration Table, Pinout & Archive Spec
The Bosch 200 External Motorsport Fuel Pump (0 580 254 044 / 200 series, archived on HV Electronics at $200.60 NZD) is an inline roller-cell pump delivering 275 L/h at 3.0 Bar and 235 L/h at 5.0 Bar (13.5V). It supports ~620 wheel HP on 98 RON petrol or ~430 wheel HP on E85 at 4.5 Bar total rail pressure.
ECU Calibration & Scaling Reference Table (Bosch 200 External Fuel Pump)
Direct lookup points for Emtron Emma, Link PCLink G4X/G5, Haltech NSP, and MoTeC M1 Tune.
| Input / Signal Point | Primary Engineering Output | Secondary Unit | Application / Regime Note |
|---|---|---|---|
| 3.0 Bar (43.5 psi) | 275 L/h | 12.4 Amps | ~710 HP (Petrol 98) / ~495 HP (E85) |
| 3.5 Bar (50.8 psi) | 262 L/h | 13.3 Amps | ~675 HP (Petrol 98) / ~470 HP (E85) |
| 4.0 Bar (58.0 psi) | 250 L/h | 14.2 Amps | ~645 HP (Petrol 98) / ~450 HP (E85) |
| 4.5 Bar (65.3 psi) | 242 L/h | 15.1 Amps | ~625 HP (Petrol 98) / ~435 HP (E85) |
| 5.0 Bar (72.5 psi) | 235 L/h | 16.2 Amps | ~605 HP (Petrol 98) / ~420 HP (E85) |
| 6.0 Bar (87.0 psi) | 195 L/h | 18.4 Amps | ~500 HP (Petrol 98) / ~350 HP (E85) |
Motorsport Harness Pinout & Wiring Assignment
Terminate using 20–22 AWG MIL-W-22759 Tefzel wire and sleeve with Raychem DR-25.
| Pin / Cavity | Function | Typical Wire Colour | ECU Termination Notes |
|---|---|---|---|
| M6 Terminal (+) | +13.5V High-Current Feed | Red (12 AWG Tefzel) | Feed via 30A automotive relay or PDM channel; keep voltage drop <0.25V. |
| M5 Terminal (-) | Dedicated Battery/Chassis Ground | Black (12 AWG Tefzel) | Ring terminal to clean chassis ground stud near fuel cell. |
Interactive Calibration & Sizing Workbench
Injector Sizing, BSFC & Bosch 200 Pump Head Calculator
Compute required static injector flow (cc/min) and high-pressure fuel pump capacity across Petrol 98, E85 ethanol, and Methanol using Bernoulli square-root rail pressure scaling.
Reference Hardware: Bosch 200 External Fuel Pump (0 580 254 044, $200.60 NZD Archive) delivers 275 L/h @ 3.0 Bar and 235 L/h @ 5.0 Bar total head.
Two-Point 0–5V Ratiometric MAP Pressure Calibration Generator
Generate a 9-point linear voltage-to-kPa calibration table for Emtron KV/SL, Link G4X, and Haltech NSP ECUs. Default preset matches the HV 4-Bar MAP Sensor (HV-MAP-400-NPT).
| AN Volt (V) | Absolute (kPa) | Absolute (Bar) | Relative Gauge (psiG) |
|---|
Lambda (λ) ↔ AFR Multi-Fuel Converter & 1 Mbps CAN Frame Decoder
Convert wideband equivalence ratio (λ) across Petrol, E85, and Methanol, and decode raw 8-byte Big-Endian hexadecimal CAN frames from the HVLC2 Dual Lambda ($555 NZD) and HV EGT CAN ($483 NZD) modules.
| Lambda (λ) | Petrol 98 (14.70:1) | E85 Ethanol (9.76:1) | Methanol (6.47:1) | Operating Regime |
|---|---|---|---|---|
| 0.75 λ | 11.03 : 1 | 7.32 : 1 | 4.85 : 1 | High-Boost Rich Thermal Protection (>2.0 Bar) |
| 0.82 λ | 12.05 : 1 | 8.00 : 1 | 5.31 : 1 | Peak Torque WOT Turbocharged Target |
| 0.88 λ | 12.94 : 1 | 8.59 : 1 | 5.69 : 1 | Naturally Aspirated WOT Peak Power |
| 1.00 λ | 14.70 : 1 | 9.76 : 1 | 6.47 : 1 | Closed-Loop Stoichiometric Cruise |
Tefzel MIL-W-22759 Voltage Drop & Raychem DR-25 Bundle Calculator
Calculate round-trip DC voltage drop across tinned-copper MIL-W-22759/16 & /32 ETFE motorsport wire and select the matching 2:1 Raychem DR-25 fluoroelastomer heat-shrink sleeve.
| AWG Size | Stranding | Resistance @ 20°C | Nominal OD | Bundle Max Current |
|---|---|---|---|---|
| 22 AWG | 19/34 Tinned Cu | 51.5 mΩ/m | 1.32 mm | 5.0 A (Sensors / Triggers) |
| 20 AWG | 19/32 Tinned Cu | 32.0 mΩ/m | 1.52 mm | 7.5 A (Injectors / Solenoids) |
| 18 AWG | 19/30 Tinned Cu | 20.3 mΩ/m | 1.78 mm | 10.0 A (Ignition Coils / LSU 4.9) |
| 12 AWG | 37/28 Tinned Cu | 6.3 mΩ/m | 2.92 mm | 25.0 A (Bosch 200 Fuel Pump) |