born before the computer age, 2012 Colorado 5.3 with a 1900 supercharger, it has the tune supplied by the manufacturer, VCM scanner shows PE about 1,200 rpm to 2,600rpm then gone, running 14.68, 1...
Type: Posts; User: retracer
born before the computer age, 2012 Colorado 5.3 with a 1900 supercharger, it has the tune supplied by the manufacturer, VCM scanner shows PE about 1,200 rpm to 2,600rpm then gone, running 14.68, 1...