Holden offers a diverse engine lineup — approximately 26% diesel and 74% petrol across 23 variants in our database. Both fuel types respond well to Stage 1 remapping, with turbocharged diesel engines typically delivering the largest gains in both power and torque.
Across the Holden range, Stage 1 remap gains typically fall between 19 and 58 BHP (averaging 26 BHP) and 17 to 105 Nm of additional torque (averaging 40 Nm). Turbocharged variants see the largest improvements, while naturally aspirated engines benefit from refined throttle mapping and ignition advance.
A Stage 1 ECU remap optimises your Holden's factory software to unlock its full potential — no hardware changes required. Here are the typical gains across the range.
+19–58 BHP across the range
+17–105 Nm across the range
26% of variants are turbocharged
Software-only — no hardware modifications needed
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