This article is part of a collaboration with iQ by Intel. Like car fanatics who modify new or classic models to make them look and perform better, a growing overclocking community of passionate PC modders is pushing the limits of old and new computer technologies. In the world of computer modding, overclocking is the dark art of custom tuning computer parts to achieve a performance boost. The unbridled passion for tinkering with chips and specs is spreading across generations, pulling this dark art out of the shadows. “Overclocking has evolved into a sport,” said Dan Ragland, an engineer at Intel. “It…