Bulletproof cooling system
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'''NOTE:''' The old type of thermostat used metal bellows filled with a liquid. The condensed liquid would "suck" the bellows closed. This type of thermostat always fails in the open position which is extremely convenient as one does not have to buy a new cylinder head or engine. Nowadays this type is very difficult to obtain. | '''NOTE:''' The old type of thermostat used metal bellows filled with a liquid. The condensed liquid would "suck" the bellows closed. This type of thermostat always fails in the open position which is extremely convenient as one does not have to buy a new cylinder head or engine. Nowadays this type is very difficult to obtain. | ||
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| + | ==SBC 400 cooling== | ||
| + | From a [http://www.chevyhiperformance.com/techarticles/90678_small_block_400_cooling_tricks/photo_01.html#ixzz27ZkLJEsw Chevy High Performance] article: | ||
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| + | This 1003 high- performance Fel-Pro head gasket (below) features larger 7/16-inch coolant passages (a) that will produce greater coolant flow to prevent excessive heat buildup between the center cylinders. The high-performance Fel-Pro gaskets also reduce coolant flow in the indicated areas (b) to help redirect the coolant between the center cylinders. If necessary, you may have to drill a 7/16-inch hole (c) in the block to increase coolant flow between the center cylinders. Only do this when the engine is completely disassembled to prevent iron drill chips from damaging the engine. | ||
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| + | [[File:Felpro sbc 400.jpg]] | ||
==See also== | ==See also== | ||
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