Kace car teams, car and truck owners alike are interested in performance. And with the high prices we are now paying for fuel, anyone who drives a motor vehicle wants to get the best mileage possible. In the most basic of terms, the internal combustion engine converts fuel into motion. Engines are made up of a number of critical components that work together to power the car. My job is to speak about air blasting and shot peening, and you guessed it...once again, they come to the rescue. Shot peening, as of course you all know by now, is the cold working of a metal surface through massive bombardment of round particles to the surface. The purpose of shot peening is to put a uniform compressive layer into the surface to relieve the residual stress created during the manufacturing process. As each particle strikes the surface, it produces a round indentation. The edge of each indentation is raised slightly above the surface. The residual compressive layer may vary up to 0.062 inches below the surface.
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