Little Big Chief - Part I: Basic Machining - Pontiac Tech
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Once the block was bored, it was mounted in a state-of-the-art Sunnen SV-10 computerized cylinder hone-used by many NASCAR and NHRA Pro Stock engine builders-for the final sizing and to produce the desired cylinder wall finish. This machine monitors the rotating torque and it can stop and dwell in one place to remove more material in tight areas as needed. It's the equivalent of a CNC hone. The cylinder hone procedure is one of the most important steps in Pontiac engine rebuilding because it determines the efficiency of the cylinder seal. The final finish was done with a No. 500 diamond stone. View Related Article
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