![]() ![]() These faster speeds not only allow the engine to breathe easier, they also help the fuel to mix with the intake air more completely once inside the cylinders, which increases burn efficiency.įinally, a port and polish job can have the same effect on the exhaust stream as it does on the intake by removing restriction and increasing the flow capacity of the exhaust ports. Removing imperfections in the surface of the intake tract reduces air turbulence in the intake port which allows air to enter the cylinder at faster speeds. The more air that is drawn into the engine, the more fuel can be mixed with it and burned, resulting in more power. Port and polish work helps the engine to make more power in three different ways.īy making the intake ports bigger, port and polish work removes restriction from the intake stream which makes it easier for the engine to draw in fresh air. This removes flaws and/or obstructions from the surface of the inlets, allowing air to flow more rapidly into and out of the cylinders. The enlarged ports are then smoothed over using a sanding or grinding tool. The next step in the process is polish work. The enlargement of the inlets is what is referred to as “porting”. This extra room helps the engine to draw extra air into and out of the cylinders, mixing it with more fuel which means more power. First, the intake and/or exhaust inlets (ports) on the cylinder head are enlarged using a grinding or cutting tool. Port/polish work is a relatively simple process that is performed on the engine’s cylinder head. First, we’ll look at what exactly port and polishing is and then how and why it adds power output when we port and polish a motor. Port and polish work is a relatively simple process and it adds power because of some relatively simple principals. Many people have heard the term before but fewer people know exactly what a port and polish job is or what it does. Wash hands after handling.A port and polish job is one way to increase the power output of any internal combustion motor. WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm. ![]() These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm.
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