Database Version
ABG_V2.9.4_STABLE
GMC chip tuning performance data calculator
66-duramax-365-hp-lmm
Horsepower (HP)
Original365
Stage 1
395+30 HP
Stage 2
415+50 HP
Torque (NM)
Original894
Stage 1
945+51 NM
Stage 2
993+99 NM
Max Component Potential (Stage 2)98.4% Efficiency