GMC Savana 2003+ 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
4.3 V6 200hp
200 hp
220 hp
+20 hp
4.8 V8 275hp
275 hp
295 hp
+20 hp
5.3 V8 310hp
310 hp
330 hp
+20 hp
5.7 V8 255hp
255 hp
275 hp
+20 hp
6.0 V8 342hp
342 hp
360 hp
+18 hp
6.6 V8 365hp
365 hp
390 hp
+25 hp
Figures are typical for a stock vehicle in good condition. Actual results depend on condition, fuel quality and fitted hardware.