Head gasket
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==Head gasket basics== | ==Head gasket basics== | ||
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===Different types of head gaskets=== | ===Different types of head gaskets=== | ||
Copper and brass were originally used as head gaskets, followed by asbestos/steel gaskets in the 1950's, and composite metal and impregnated fiber or graphite composites in the 1980's. In the 1990's the Multi-Layer-Steel gasket (MLS) came into widespread use. Most new engines today are designed with MLS gaskets. | Copper and brass were originally used as head gaskets, followed by asbestos/steel gaskets in the 1950's, and composite metal and impregnated fiber or graphite composites in the 1980's. In the 1990's the Multi-Layer-Steel gasket (MLS) came into widespread use. Most new engines today are designed with MLS gaskets. | ||
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Don't use Scotch-Brite pads. | Don't use Scotch-Brite pads. | ||
| − | Don't use wire brushes -- the wires can break off, get into the oil pump, and lock it up | + | Don't use wire brushes -- the wires can break off, get into the oil pump, and lock it up. |
===Head gasket repair additives=== | ===Head gasket repair additives=== | ||
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