KC Turbos tested a Stock 7.3-liter on the dyno. The crew installed a modern turbo kit to increase horsepower on factory fuel injectors.
Built for speed and sleeper appeal, Ethan Hurtt’s 7.3L Power Stroke F-350 combines serious fuel, air, drivetrain, and suspension upgrades.
This 1990 M998 Humvee has a potent 6.5-liter turbodiesel powerplant and surprising mods like rear-steer and 42-inch tires.
Small maintenance changes increase fuel economy on heavy tow rigs. Here how to keep extra cash in your wallet at the fuel station.
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