What's the Displacement of the L8P? Just like the L8T this performance version is based on, the L8P displaces a glorious 6.6 liters! Yep, that's 400 cubic inches if you live in the country that walked ...

Way back in December 2022, Chevrolet Performance launched a crate version of the naturally aspirated 6.6L V8 L8T gasoline engine found in the Silverado HD and Sierra HD pickup trucks. As the only Gen ...

Cummins vs. Duramax is certainly an argument had often among diesel enthusiasts, but in a practical performance comparison, ...

General Motors has been using Duramax diesel engines in certain workhorse models for nearly a quarter century. The 6.6-liter V8 version which powers Chevy Silverado 2500/3500HD and GMC Sierra Heavy ...

When it comes to maximum towing capacities, the LZ0 and L87 are very close. Only 100 pounds (45 kilograms) separate the ...

Two brand-new 2025 trucks battle for the win. Which one is a better choice: the half-ton GMC Sierra or the heavy-duty Chevrolet Silverado? A fuel-efficient 3.0-liter Duramax or a 6.6-liter Duramax V8?