Cylinder Head
Valve stem seals control the lubrication of the valve stem, as it moves up and down in the valve guide. But, if too little oil flows past the valve stem seals, the valve stem and […]
So, to determine the health of a head gasket, between two cylinders try doing a bubble test. If you believe you have a leak, but just cannot find it, doing a bubble test may be […]
So, Ford has used emission thermactor plugs, for small block heads for many years. These emission thermactor plugs are useful when installing a pair of emissions legal heads on a non-emissions engine. All (OEM) and […]
The term “valve lash” is often used, when discussing valve train adjustment. A valve lifter (sometimes referred to as a tappet or cam follower); follows the contour of the camshaft lobe and transfers that motion, […]
Rocker arms dislodging on certain engines, is a common problem and is usually misdiagnosed. So, a customer comes in and complains of a poor running engine. After diagnosing it you find engine misfire codes. And, […]
Diagnosing a blown head gasket, just by looking for the symptoms, can be quite misleading. So, a blown head gasket is NOT a single thing; because it can may fail in several different ways. As […]
Valve lash setting is something most drivers, don’t even think about. First, you need to know if you even have an, adjustable valve train for valve lash setting. So, either check your owner’s manual or […]
Cylinder head cracking, can result in, catastrophic damage to the engine. In some cases, cylinder head cracking, may be so severe; that replacing the complete engine is the only cure. So, the causes of cylinder […]
Cylinder head resurfacing, is a very common process today, especially with all the leaking head gaskets. Above all, cylinder head resurfacing, is the most common machining operation done in machine shops to date. But, to […]
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