Q I own a '99 Chevy Lumina with a 3.1-liter V6. This weekend I got a flashing check-engine light with a severe misfire. I took the vehicle to a shop, which told me I had two rocker arms blown right ...

The rocker arm is possibly the third most abused part in your engine. The connecting rods take the cake for the most abuse, followed closely by the piston assembly, but we like to think the rocker ...

The debate over the optimum rocker arm ratio has dragged on since the invention of the pushrod V-8. Even though Chevrolet made the decision easy for us when it engineered the small-block to run around ...

High mileage or a high-performance camshaft swap: Those are the top two reported reasons for LS rocker-arm failure. The symptoms are a miss with a ticking sound coming from the valve cover or needle ...

Some early Captivas fitted with the diesel engine may have experienced a condition whereby the camshaft rocker arm bearing could fail. In some instances this rocker arm failure was known to result in ...

High mileage or a high-performance camshaft swap: Those are the top two reported reasons for LS rocker-arm failure. The symptoms are a miss with a ticking sound coming from the valve cover or needle ...