Mack Trucks Econodyne

I (1990 - 2005) · AC-427 12.0 432hp (318kW) 2115Nm

Stage 1

	Original	After tuning	Diff
Power hp	432	490	+58
Torque Nm	2115	2355	+240

Power gain

+13%

Torque gain

+11%

Fuel economy −6%

Before

~~28.8~~ L / 100 km

After tuning

27.1 L / 100 km

Saves ≈ 1.7 L / 100 km — about 1 682 L (over 100 000 km) ≈ €2 944

Estimate for a typical duty cycle · real saving depends on load & driving style

Power graph / Stage 1

PowerTorqueStock