Crankcase breathers play a big role in reducing diesel engine emissions by recirculating blow-by gases back into the engine.

Vehicle Update N25-250520 for 2024 and 2025 model years of the Chevy Silverado and GMC Sierra full-size GM trucks enables the ...

Hennessey transforms the predictable Suburban into a powerful, no-nonsense machine. Does GM come on board as well?

They say everything’s bigger in Texas, and the tuners over at Hennessey have always assumed that applies to horsepower ...

crank case ventilation system, HPE calibration upgrade, and others. The result? A neck-snapping 1,000 brake horsepower (1,014 ps/746 kW) available at 6,500 rpm and 948 pound-feet (1,285 Nm ...

Hennessey Performance has transformed the Chevrolet Tahoe and Suburban with the introduction of the H600 package.

Hennessey upgraded the Chevrolet Tahoe and Suburbun SUVs, crediting them with 625 horsepower and 633 pound-feet of torque ...

One design flaw involved the positive crankcase ventilation, or PCV ... Owner-reported problems on CarComplaints.com for the 2007 Chevrolet Suburban peaked at 354 reports compared to just four ...