Head gasket
(→How to tell differentiate the top and bottom of a head gasket) |
(→Re-using head gaskets) |
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===Re-using head gaskets=== | ===Re-using head gaskets=== | ||
| − | Some head gaskets are re-usable several times and others should never be re-used. Steel shim head gaskets are designed for one use only. Composite or graphite head gaskets are most often not re-usable because of rust damage to the steel core, disintegration of the surface material or damage or loss of the sealant material. MLS gaskets are most often not re-usable because the elastomeric coating is scubbed off of the combustion and coolant seals by abrasion from temperature induced expansion and contraction. Traditional copper head gaskets are re-usable, Titan and ICS Titan copper head gaskets from SCE are also re-usable. Even if a head gasket is re-usable, many people prefer to use a new one. The labor involved in replacing a head gasket, and the potential for engine damage from a blown gasket are too great to risk. | + | Some head gaskets are re-usable several times and others should never be re-used. Steel shim head gaskets are designed for one use only. Composite or graphite head gaskets are most often not re-usable because of [[rust]] damage to the steel core, disintegration of the surface material or damage or loss of the sealant material. MLS gaskets are most often not re-usable because the elastomeric coating is scubbed off of the combustion and coolant seals by abrasion from temperature induced expansion and contraction. Traditional copper head gaskets are re-usable, Titan and ICS Titan copper head gaskets from SCE are also re-usable. Even if a head gasket is re-usable, many people prefer to use a new one. The labor involved in replacing a head gasket, and the potential for engine damage from a blown gasket are too great to risk. |
When re-using gaskets they can be coated with the head gasket sealants listed above in "Head gasket sealants"; traditional copper gaskets can also be sealed with aluminum spray paint available from [http://www.vhtpaint.com/products VHT]. ''(confirm this product name and description)''. | When re-using gaskets they can be coated with the head gasket sealants listed above in "Head gasket sealants"; traditional copper gaskets can also be sealed with aluminum spray paint available from [http://www.vhtpaint.com/products VHT]. ''(confirm this product name and description)''. | ||
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