Reader’s Rig: Stewart Ingraham’s Cummins Swap Super Duty Ford

A Cummins Swap in a Super Duty sounds controversial. But after years of trying to make the 6.4L Power Stroke survive, the decision was made.A Cummins Swap in a Super Duty sounds controversial. But after years of trying to make the 6.4L Power Stroke survive, the decision was made.