WebFeb 12, 2011 · Not your head, in the engine head. A motorcycle motor (or most any reciprocal combustion motor) is basically an air pump. The more air you can move through the motor, the more fuel you can put with that air, and the more power you can make. ... Our head specialist has been porting and polishing heads and performing competition valve … WebThe key to a cylinder head design producing high horsepower is in creating high velocity air flow through the ports. This is easier to do with smaller ports rather than large ones. High velocity does a couple of things that are very positive to making power. The higher the air flow speed, the better the air/fuel mixture is atomized as it passes ...

Carpenter Racing

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Engine Machine Shop Steve Schmidt Racing Engines

WebStep 3: Begin Grinding. DO NOT grind away the topmost lip, this is the seat for the valve and damage will cause leakage. Use a lower grit sander to start on moderate speed. Slowly shave the excess metal off until the port is smooth. Do not rush this, it's greatly preferable to spend weeks on this than destroy the head and have to buy another. WebPorting Stones US Made with 6" long shanks, Porting stones offer an alternative way to grind cast iron and aluminum Shop Cartridge Rolls USA Made from quality material, CHA stands behind every roll sold. Available on Aluminum Oxide, Zirconium Oxide and Ceramic abraisves Shop Layered Finishing Buffs Aug 9, 2016 · hout balk 12x12