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← Mack Trucks Econodyne engines
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Mack Trucks Econodyne

I (1990 - 2005) · AC-427 12.0 432hp (318kW) 2115Nm
Stage 1
OriginalAfter tuningDiff
Power hp432 490 +58
Torque Nm2115 2355 +240
Power gain
+13%
Torque gain
+11%
Fuel economy −9%
Before
28.8 L / 100 km
After tuning
26.3 L / 100 km
Saves ≈ 2.5 L / 100 km — about 2 546 L (over 100 000 km) ≈ €4 456
Estimate for a typical duty cycle · real saving depends on load & driving style
Ready to feel these +58 hp on the road?
Get your ready-to-flash Stage 1 file for the Mack Trucks Econodyne
Order tuning file
Original file back-up Delivered in ~30 min Support included
Power graph / Stage 1
PowerTorqueStock
dyno graph