Challenger 600 Series All 670B 8.4 - 355hp

Real standard and upgraded performance figures for the 670B 8.4 - 355hp engine in the Challenger 600 Series All.

Standard vs. upgraded performance for the Challenger 600 Series All 670B 8.4 - 355hp, based on real files we've processed for this exact engine.

Horsepower (HP)Torque (Nm)
Standard3551
Stage 14461
Stage 24911
Make
Challenger
Model
600 Series
Generation
All
Engine
670B 8.4 - 355hp
Fuel type
diesel

Frequently asked questions

Is Stage 1 tuning safe for the Challenger 600 Series All 670B 8.4 - 355hp?

Yes — Stage 1 for this engine is a software-only remap calibrated to stay within its stock mechanical limits (turbo, clutch, fueling), so no hardware changes are required.

How much more power does the 670B 8.4 - 355hp make after tuning?

Standard output is 355 HP / 1 Nm; Stage 1 on this engine typically reaches 446 HP / 1 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Challenger 600 Series All 670B 8.4 - 355hp remap take?

Once your original file is uploaded through the member panel, most requests for this engine are completed within a few hours.

Can the 670B 8.4 - 355hp be reverted to its original file?

Yes — we keep the original file on record for the request, so the ECU can be put back to stock at any time.