When most people think about engine swaps, they want to go bigger and better. Gen III and Gen IV GM LS engines are all the rage, and for good reason, but bigger isn't always better when you're trying ...

General Motors is one of the most storied and well-established automakers on the planet. Sure, it might have ruffled some feathers in the past, like when it introduced leaded fuel, or when the ...

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You may be reading this and wondering why PHR is doing a story on a four-banger. The answer is simple: this new turbocharged Ecotec makes V-8 power, while retaining four-cylinder fuel mileage. To ...

Editor's Note-It's no secret that GM has been on the outer fringes of the import drag racing radar for a couple years now. At the 2001 SEMA Show, GM made its intentions even more clear. The engine ...

Positive Crankcase Ventilation—three dirty words, but do they really need to be perceived that way? In general, the PCV system has two main functions: vapor relief and liquid separation. PCV systems ...

As a car owner, you may wonder what a PCV valve is, considering it is a part of your car engine you are not aware of. Your car’s engine is the lifeline of your car and has to be in its best shape ...

General Motors Europe is introducing a range of newly developed Ecotec petrol and diesel engines which meet Euro 4 emission standards, and deliver high specific power with low fuel consumption. With ...