Head gasket
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===SBC head gaskets having less than 0.040" compressed thickness=== | ===SBC head gaskets having less than 0.040" compressed thickness=== | ||
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*GM p/n 3830711 is also a steel shim with a 4.1" gasket bore diameter, and is 0.026" thick. Good flat surfaces are required, same rules apply as the Fel-Pro above. This is the GM production gasket for '''non''' 400 bore SBCs. Simple and low cost. | *GM p/n 3830711 is also a steel shim with a 4.1" gasket bore diameter, and is 0.026" thick. Good flat surfaces are required, same rules apply as the Fel-Pro above. This is the GM production gasket for '''non''' 400 bore SBCs. Simple and low cost. | ||
*GM p/n 10105117, this head gasket is a multi-layered stainless steel gasket with a 4.1" gasket bore diameter, is 0.028" thick, works with iron or aluminum heads, good for holding back high compression, and tolerates some surface irregularities in the deck and head surfaces. This is the “revised” gasket, see [http://www.thirdgen.org/techboard/tech-general-engine/269378-head-gasket-thickness-gm.html post #23]. | *GM p/n 10105117, this head gasket is a multi-layered stainless steel gasket with a 4.1" gasket bore diameter, is 0.028" thick, works with iron or aluminum heads, good for holding back high compression, and tolerates some surface irregularities in the deck and head surfaces. This is the “revised” gasket, see [http://www.thirdgen.org/techboard/tech-general-engine/269378-head-gasket-thickness-gm.html post #23]. | ||
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===Shim type=== | ===Shim type=== | ||
| − | * | + | *FelPro's p/n Q1094 is a steel shim with a 4.1" gasket bore diameter and 0.015" compressed thickness. Used in some sportsman drag race and flat top oval track categories. Rubber coated steel shim, 4.100 in. gasket bore diameter, 0.015" compressed thickness. |
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*SCE #511101 Specialty Component Engineering | *SCE #511101 Specialty Component Engineering | ||
**Bore: 4.100" | **Bore: 4.100" | ||
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**Lock Wire: No | **Lock Wire: No | ||
**Coolant sealing '''not''' compatible with GM lightweight head castings used on 305-350 from 1987-95. | **Coolant sealing '''not''' compatible with GM lightweight head castings used on 305-350 from 1987-95. | ||
| + | *Mr. Gasket p/n 1130 0.018”- 0.020” compressed thickness, steel embossed w/coating. | ||
| + | *Jegs p/n 210044- embossed shim w/rubber coating. Bore 4.150", compressed thickness is 0.024". | ||
===400 SBC=== | ===400 SBC=== | ||
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