Infiniti FX 3.7 V6 Stage 1 Remap
On Infiniti FX 3.7 V6 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. 3.7 V6 engines with 320–331 bhp reach 350 bhp with a Stage 1 remap; the largest gain is +30 bhp (3.7 V6 320hp). Pick your version in the table below.
Infiniti FX 3.7 V6: Stage 1 figures by generation and year
Year / chassis: 2008-2013
| Engine | Power | Torque | Gain |
|---|---|---|---|
| Infiniti FX 3.7 V6 320hp | 320 → 350 bhp | 360 → 385 Nm | +30 bhp |
| Infiniti FX 3.7 V6 331hp | 331 → 350 bhp | 366 → 385 Nm | +19 bhp |