`It's the same old question that is debated daily. Everyone wants power, but few have the resources to buy those romantic CNC-ported heads with unobtainium valves that cost a bazillion bucks. The ...

Topping your engine with a set of aftermarket cylinder heads is a near-certain method for making more horsepower and torque—but is the extra power really worth the money? In this episode of Engine ...

Two issues back, we subjected a 468-inch big-block Chevy to a variety of different oval-port cylinder heads, ranging from stock peanut-port-style heads to full CNC-ported versions (see “The Big O”).