Cummins ISB 300 6.7L 302hp (222kW) 841Nm — Stage 1 file (+50 hp)
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Stage 1 file for Cummins ISB 300 6.7L 302hp (222kW) 841Nm
Target +0 hp. Custom development for your engine.
Chip tuning for Cummins ISB 300 6.7L 302hp (222kW) 841Nm ECU
Cummins ISB (I) 300 6.7L 302hp (222kW) 841Nm — industrial diesel engine of the commercial segment of the Cummins Inc. group (США, 1919). Stage 1 chip tuning raises power from 302 to 352 hp (+50 hp, +17%) and torque from 841 to 912 Nm (+71 Nm).
The Cummins ECU is a locked platform, tuned through specialised tooling. Cummins is the world leader in heavy-duty diesel-engine production volume. The Cummins ISX is the flagship for Class 8 heavy trucks. DPF/SCR with AdBlue is standard on modern Cummins engines. The Cummins B-Series, ISX and QSB are the main engine families. High-output Cummins engines power Ram pickups and long-haul tractor units.
The US Cummins community is the world's largest for Dodge Ram and heavy trucks. EFILive, MM3 and MiniMax are the main tools for Cummins (not the standard WinOLS). The Cummins ECU is a locked platform requiring specialised tooling. High-output Cummins engines power Dodge Ram trucks and long-haul lorries.
Frequently asked questions
What is the Stage 1 effect on the Cummins ISB 300 6.7L 302hp (222kW) 841Nm?
Stage 1 chip tuning on the Cummins ISB 300 6.7L 302hp (222kW) 841Nm boosts engine output by 50 hp: from 302 to 352 hp. Torque rises from 841 to 912 Nm (+71 Nm).
What changes in the Cummins ISB ECU after Stage 1?
Stage 1 chip tuning of the Cummins ISB is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +50 hp with no hardware changes.
Is Stage 1 safe on the high-output Cummins ISB 300 6.7L 302hp (222kW) 841Nm?
Stage 1 on the powerful Cummins ISB 300 6.7L 302hp (222kW) 841Nm “lifts” the factory limiters with no hardware changes. The gain is noticeable in the mid and upper range. There is headroom left for moving to Stage 2 (downpipe + intake + intercooler).
How much does Stage 2 add on the Cummins ISB?
Stage 2 for the Cummins ISB 300 6.7L 302hp (222kW) 841Nm is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.
What happens to the Cummins ISB warranty after chip tuning?
The factory warranty of the Cummins ISB does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.
How long does remapping the Cummins ISB take?
On the Cummins ISB 300 6.7L 302hp (222kW) 841Nm: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.
Is the original file kept when chip tuning the Cummins ISB?
Yes, the original ECU firmware of the Cummins ISB 300 6.7L 302hp (222kW) 841Nm is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.
What is the price of a Stage 1 remap for the Cummins ISB?
Stage 1 for the Cummins ISB 300 6.7L 302hp (222kW) 841Nm is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.