Chevrolet Silverado 4.8 V8 Stage 1 Remap
On Chevrolet Silverado 4.8 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. 4.8 V8 engines with 285–295 bhp reach 305–314 bhp with a Stage 1 remap; the largest gain is +20 bhp (4.8 V8 285hp). Pick your version in the table below.
Chevrolet Silverado 4.8 V8: Stage 1 figures by generation and year
Year / chassis: 2007 - 2014
| Engine | Power | Torque | Gain |
|---|---|---|---|
| Chevrolet Silverado 4.8 V8 295hp | 295 → 314 bhp | 414 → 439 Nm | +19 bhp |
Year / chassis: 1999 - 2007
| Engine | Power | Torque | Gain |
|---|---|---|---|
| Chevrolet Silverado 4.8 V8 285hp | 285 → 305 bhp | 400 → 425 Nm | +20 bhp |