Description
IGNITION COIL – F150 5.4 V8
STANDARD: FD-503 refers to a specific ignition coil model produced by Standard Motor Products under their Blue Streak® line. This coil is designed as a coil-on-plug (COP) type and is engineered to meet or exceed original equipment (OE) specification
Key Features of FD-503:
Electrical Performance:
Primary Resistance: 489 milliohms
Primary Inductance: 1.49 mH
Secondary Resistance: 5.28 kohms
Secondary Inductance: 9.47 H
Peak Output Voltage: 25.2 kV
Spark Energy: 29.9 m
Performance Comparison:
FD-503 coils outperform OE coils in several categories:
3.7% higher output voltage
Equal spark energy
Longer spark duration, which improves combustion efficiency
Improved secondary winding design to prevent internal arcing and high-voltage breakdown
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