Chevrolet Express 2001–2007 tuning files
Typical stock and Stage 1 figures for each engine. Open an engine for torque, ECU and technical data.
Engine
Stock
Stage 1
Gain
4.8 V8 275hp
275 hp
295 hp
+20 hp
5.3 V8 290hp
290 hp
310 hp
+20 hp
6.0 V8 304hp
304 hp
325 hp
+21 hp
6.6 V8 250hp
250 hp
280 hp
+30 hp
Figures are typical for a stock vehicle in good condition. Actual results depend on condition, fuel quality and fitted hardware.