What happens when you swap a 12V Cummins into a Mustang? You make it FASTER! This build just got REAL – I just received $10,000 worth of power parts from Power Driven Diesel, and we’re about to turn ...

For those not in the know, designations like 5.9L and 12V may not provide much in the way of clarification. But among Cummins' 1990s offerings, the 12V designation is pretty important, as it ...