Ford F-550 6.7 V8 Stage 1 Remap
On Ford F-550 6.7 V8 naturally aspirated engines a Stage 1 remap refines the ignition timing, fuelling and throttle response maps. Without a turbo the power gain is smaller than on turbocharged engines; the difference is felt mostly in throttle response and the mid-range. No hardware is changed and the original software is backed up.
It depends on the generation and the stock output. 6.7 V8 engines with 400–440 bhp reach 430–480 bhp with a Stage 1 remap; the largest gain is +40 bhp (6.7 V8 440hp). Pick your version in the table below.
Ford F-550 6.7 V8: Stage 1 figures by generation and year
Year / chassis: All
| Engine | Power | Torque | Gain |
|---|---|---|---|
| Ford F-550 6.7 V8 400hp | 400 → 430 bhp | 1086 → 1120 Nm | +30 bhp |
| Ford F-550 6.7 V8 440hp | 440 → 480 bhp | 1166 → 1200 Nm | +40 bhp |