Venting an old 12-valve engine at the valve cover drastically reduces the pressure in the crankcase. And installing a breather at the highest point on the engine allows oil mist to collect and ...

We tried snugging those pleated cotton-gauze breathers. We tightened the valve cover bolts. We tried new valve cover breather grommets. We swapped on different breathers.We even tied old rags ...

Check out 427ci Windsor Ford Arias Hemispherical Head Conversion, the modification process and dyno results prove that you can get a great street engine from a race engine. - Popular Hot Rodding ...

How To Install 2005-2007 Mustang GT Aftermarket Valve Covers Ford Racing Offers Four Types Of Custom Valve Covers For The New Three-Valve 4.6 ...