Operation: Texas Thunder
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After that first test, he sandblasted the combustion chambers and got down to porting. The porting process is as much an art as it is a science. Porting guys learn their technique over time, like an artist learns how to use a brush. They also use flow bench data and dyno testing to check their work. Hardy used a rotary file to make a rough cut, then used a finer stone to smooth it out, and an even finer stone beyond that. He also took care to smooth out the walls and ridges leading into the combustion chamber for more efficient flow. After the porting was done, he sandblasted the ports to create turbulence and better fuel atomization. View Related Article
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