Injection Pump - Calibration Data

Over-fueling washes down cylinder walls, dilutes engine oil, and can cause hydrolock. Under-fueling creates lean conditions that melt pistons. Calibration data ensures the air-fuel ratio remains in the safe zone.

Finding the right data for your specific pump is the most challenging part of the job. You cannot guess. Use these trusted sources: injection pump calibration data

He re-installed the pump on the stand and ran a full calibration sweep: idle, intermediate, rated speed, and high idle. He adjusted the torque cam screw, the one hidden behind a lead seal, turning it in an eighth of a turn, then back out a sixteenth. He wasn't chasing power. He was chasing smoothness . Over-fueling washes down cylinder walls, dilutes engine oil,

Even with the data in hand, technicians make errors. Avoid these pitfalls: Over-fueling washes down cylinder walls