The GMC Savana 5.3 V8 310hp (2003 ->) produces 310bhp and 453Nm in standard form. A Stage 1 ECU remap can raise output to 330bhp and 480Nm, a gain of 20bhp and 27Nm, with no hardware modifications required.
Interested in a Stage 1 remap for your GMC Savana? Get in touch and we will discuss the best options for your vehicle.
JSM Diagnostics comes to you. Mobile ECU remapping across Medway and the surrounding areas.
Call us: 07711 934 905
Mon – Fri: 8:30am – 5:30pm