The GMC Savana 6.6 V8 365hp (2003 ->) produces 365bhp and 894Nm in standard form. A Stage 1 ECU remap can raise output to 390bhp and 930Nm, a gain of 25bhp and 36Nm, 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