The 6.7 Cummins grid heater is prone to failure, but why is this? We'll discuss the reasons and the fixes for this ...

The 6.6 Duramax is one of the most powerful engines for heavy-duty trucks like the Chevy Silverado and GMC Sierra, but how ...

The all-new 6.7-liter Cummins High-Output Turbo Diesel is rated at 430 horsepower and 1,075 lb.-ft. of torque. A redesigned block and head, robust heavy-duty pistons, new performance intake manifold, ...

While the lower compression ratio for the HO 6.7 seems counterintuitive, it allows Cummins to dial up the turbo boost pressures to make more power when needed while keeping emissions in check.

These sports cars show how smaller engine sizes can make the most out of a turbocharger. What does a turbocharger do for an engine? Basically, a turbocharger gives an engine more power by ...

Have we ever considered the possibility that Jasprit Bumrah was put on this planet to make Pat Cummins look human? No? Because I think we should. I mean, Cummins has just become the first ...