Mack Econodyne AC - 400 - 12.0 405hp Remap
Expected gains of +75 BHP and +391 Nm torque
Get Your Free Quote ↓BHP+75 hp (19%)
Standard
405 hp
Tuned
480 hp
Torque+391 Nm (20%)
Standard
1979 Nm
Tuned
2370 Nm
Suitability
Good (7/10)Gains Profile
BalancedHeadroom
MediumMack Econodyne AC - 400 - 12.0 405hp ECU Remapping
Considering an ECU remap for your Mack Econodyne AC - 400 - 12.0 405hp? A Stage 1 remap can take this All diesel engine from 405 BHP to 480 BHP and from 1979 Nm to 2370 Nm of torque (turbocharged). This engine scores 7/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Mack Econodyne can achieve.
How this engine compares
- 1stof 11 Mack Econodyne engines by power gain
- 94%of the 9,842 engines we hold gain data for see a smaller power increase
- 99%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The Mack Econodyne AC - 400 - 12.0 405hp is a turbocharged diesel engine producing 405 BHP and 1979 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 480 BHP and 2370 Nm — a gain of around 75 BHP (19%) and 391 Nm (20%).
This engine has moderate remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. The tuning headroom is classified as moderate, based on the percentage gain available from the factory output.
Considerations: High tuned torque: check transmission torque capacity and service history.
Fuel economy note: possible improvement with conservative driving.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
Considerations
!High tuned torque: check transmission torque capacity and service history.
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