Head gasket

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 ====Graphite head gasket====
-Graphite head gaskets can be used on aluminum heads with an iron block (they work equally well with iron heads on an iron block). Graphite is excellent in handling high temperatures and is anisotropic (draws heat away from hot spots). It also seals very well too. Some drawbacks to using graphite is that it cannot withstand exposure to oil over a over a long period of time, can be crushed and extruded, and it also leaves a coating on the block and heads that is harder to remove than traditional head gaskets.
+Graphite head gaskets can be used on aluminum heads with an iron block (they work equally well with iron heads on an iron block). Graphite is excellent in handling high temperatures and is anisotropic (draws heat away from hot spots). It also seals very well too. Some drawbacks to using graphite is that it cannot withstand exposure to oil over a long period of time, can be crushed and extruded, and it also leaves a coating on the block and heads that is harder to remove than traditional head gaskets.
 An article that mentions graphite gasket technology is '''[http://www.enginebuildermag.com/Article/2585/gasket_technology_the_science_of_sealing.aspx here]'''.

Revision as of 10:30, 30 December 2013