Bulletproof cooling system
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==GM== | ==GM== | ||
===SBC 400 cooling=== | ===SBC 400 cooling=== | ||
| − | From a [http://www.chevyhiperformance.com/techarticles/90678_small_block_400_cooling_tricks/ | + | From a [http://www.chevyhiperformance.com/techarticles/90678_small_block_400_cooling_tricks/ Chevy High Performance] article: |
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. | 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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