What Are The Main Differences Between Ford's 7.3-Liter Gas And 6.7-Liter Power Stroke Diesel Engines? We've already let it slip that the 7.3-liter gas engine makes 100 more horsepower, while the 6 ...

While the Power Stoke version of the 7.3L diesel engine didn't come out until 1994, Navistar's original 7.3 diesel had powered Ford trucks since ... rating from over 635 reviews.