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← Mack Trucks Econodyne engines

Mack Trucks Econodyne AC-350 12.0 352hp (259kW) 1844Nm

I (1990 - 2005) · 352 hp
Stage 1
OriginalAfter tuningDiff
Power hp352 420 +68
Torque Nm1844 2100 +256
Power gain
+19%
Torque gain
+14%
Fuel economy −8%
Before
23.5 L / 100 km
After tuning
21.5 L / 100 km
Saves ≈ 1.9 L / 100 km — about 1 925 L (over 100 000 km) ≈ €3 369
Estimate for a typical duty cycle · real saving depends on load & driving style
Ready to feel these +68 hp on the road?
Get your ready-to-flash Stage 1 file for the Mack Trucks Econodyne
Order tuning file →
Stage 1 file from €120
Exact price depends on the ECU — confirmed when you upload the file
✓ Original file back-up ✓ Delivered in ~30 min ✓ Support included
Power graph / Stage 1
PowerTorqueStock
dyno graph