Injection Pump Calibration Data -
For the next six hours, Elias didn't look at a single digital graph. He listened. He bolted the pump to the test stand, filled the gravity-fed tank with tinted calibration fluid, and cranked the variable-speed motor. The pump whirred, then clattered to life. He put on the old mechanic's stethoscope—a real one, with a steel rod, not the electronic garbage.
“Plunger lift: 2.47mm. Delivery valve spring: shim +0.1mm. Governor droop: dial back 4% from stock. Fuel curve: 245cc @ low, 285cc @ peak, taper to 265cc @ high. Result: EGTs below 1100, no haze, pulls like a freight train.” injection pump calibration data
“Sorry, Dad,” Elias muttered, and shut the laptop. He grabbed his grandfather’s long-reach micrometer and a brass shim kit. For the next six hours, Elias didn't look