Ford F-350 All 6.7 V8 400hp

Real standard and upgraded performance figures for the 6.7 V8 400hp engine in the Ford F-350 All.

Below: measured output for the 6.7 V8 400hp in the Ford F-350 All, standard vs. remapped, in both horsepower and torque.

Horsepower (HP)Torque (Nm)
Standard4001084
Stage 14401140
Stage 24601168
Make
Ford
Model
F-350
Generation
All
Engine
6.7 V8 400hp
Fuel type
Petrol

Frequently asked questions

Is Stage 1 tuning safe for the Ford F-350 All 6.7 V8 400hp?

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 6.7 V8 400hp make after tuning?

Standard output is 400 HP / 1084 Nm; Stage 1 on this engine typically reaches 440 HP / 1140 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Ford F-350 All 6.7 V8 400hp 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 6.7 V8 400hp 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.