GMS Test: Big G Module and Monitor on Ford 7.3L Powerstroke

Granatelli tests their Big G diesel power module and in-cab monitor on the Ford 7.3L Powerstroke

GMS, Granatelli, Granatelli Motor Sports, J.R. Granatelli, JR Granatelli, diesel, powerstroke, cummins, duramax, diesel modules, diesel performance products, diesel power adders, diesel in-cab monitors