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Tuning file Trucks Paccar Peterbilt 337 520 567 2009 → 2015 → 2013 → Heavy Duty Medium Duty PX-9 PX-9 8.9L R6 270 hp 1085 Nm (PX-9)

Parameters Standard Chiptuning Difference
BHP 270 hp 324 hp 54 hp
Torque 1085 Nm 1215 Nm 130 Nm
Standard
BHP 270 hp
Torque 1085 Nm
Chiptuning
BHP 324+54 hp
Torque 1215 +130 Nm
Parameters Standard Chiptuning Difference
BHP 270 hp 324 hp 54 hp
Torque 1085 Nm 1215 Nm 130 Nm