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The Chevy Silverado and GMC Sierra are built to work, but even strong 5.3L and 6.2L EcoTec3 engines are subject to crankcase pressure and blow-by. Pressure in the crankcase can push past seals, carry oil into the intake, and chip away at performance and reliability over time. Understanding Silverado crankcase pressure makes it easier to spot early warnings and address them before they turn into leaks, carbon buildup, or major repairs. What Is Cra...

New trucks and performance cars leave the factory with a clean intake and sealed PCV system. As mileage builds, blow-by sends oil mist and fuel vapors back through the intake, slowly dragging performance down. An oil separator for vehicle protection is a simple way to control that buildup, but many owners hesitate due to warranty and emissions rules. A J&L Oil Separator is built around those concerns. Each kit is closed-loop, uses OEM-style h...

This Black Friday, make a 15-minute upgrade your engine will actually benefit from. Install a J&L oil separator to capture oil mist from the PCV system before it coats your intake and valves. In one short session, you can help protect your vehicle's engine fuel economy and long-term reliability on your car, truck, or performance vehicle. What is an oil separator, and why are they important? Modern engines generate blow-by, the combustion gase...