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 ...

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

GM used its LC9 engine in some trucks and SUVs in the early 2000s. Here's the lowdown on the engine, including its power output and whether it's any good.

The second cause is possibly even more common and involves the crankcase ventilation system allowing oil into the intake (and intercooler). A modern engine needs to consume its own crankcase fumes and ...