Head porting secrets, Nov 17, 2022 · It’s not just the port work alone that creates spectacular cylinder head performance. Locate the point of greatest restriction and work on that first. Air is heavier than you think. Moving air efficiently through the combustion chamber has a huge effect on power and porting your heads is one the best ways to accomplish that. Engines need air (and fuel and spark). In addition to cylinder heads, you'll learn to port intake and exhaust manifolds, and even turbos to maximize your whole top end. This video looks at head porting to improve airflow, focusing on both the intake valve and Sep 5, 2006 · Basic instructions of cylinder head porting to increase horsepower - Popular Hot Rodding Magazine In this, episode 30, of PowerTec 10, DV looks at the absolute primary restriction to air flow into your engine. Dec 18, 2016 · What this all leads to is a fairly rough cylinder head, affecting the fluid flow as it makes its way through the side of the cylinder head and into the cylinders via the valve throat. In this porting video series, we're going to reveal some of the top cylinder head porting secrets that you need to avoid if you want to achieve the best results for your engine. As obvious as Rule Number-1 seems, the big problem for the novice is almost always a question of recognizing exactly where the greatest restriction is in the induction/exhaust tract. A charge that has little motion not only burns slower but also burns less effectively. Keep up port velocities and avoid redundant cross-sectional areas. You'll get training and exercises in Head Porting that are designed to take you from ground zero to competent in as little as 30-40 hours. Mixture motion is important. Any time you force air to flow along a particular path, the total flow almost certainly drops. The basics of porting a cylinder head! HeadGames Motorworks 18. Let the air move the way it wants to, not the way you think it should. Inside you'll find the secrets the author created and discovered to make incredible power! Working on cylinder heads often involves a valve job to ensure proper sealing and performance. Jul 10, 2025 · In cylinder head porting, the intake and the exhaust ports of the head are carefully reshaped by hand, enlarging and streamlining them to reduce any pumping-loss-inducing restriction to as low a level as possible. We will cover the porting in depth as it happens in future episode so hit the notifications bell so you don't miss it!! Here are some items to get you on your way to porting your own head. From there he goes on to some of the ways to Aug 25, 2023 · Learn the term cylinder head porting and the world of porting and polishing heads, exploring the secrets, techniques, and benefits of cylinder head porting. You'll get a whole section dedicated to flow benches; what to buy, how to make your own accessories, and more. 4K subscribers Subscribe. When we get to the stage of flow testing ports, we find that not only is there a need to know how much air is flowing, but there is an equal need to know where it is flowing and how fast it is flowing. For the most part, the ports are straightened for best line-ofsight airflow. Do not ignore the need for it. The most critical areas of a cylinder head are those which pass the most air at the highest speed and for the longest duration.
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