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Developing power was a brief period in the 5.8's gestation--that's the easy part with a supercharger. Most dyno time was spent validating newly designed parts during endurance testing. After a typical 100-200 hours of testing, the dyno mules are disassembled for inspection by technicians such as Ken Kopas at the Roush dyno facility. Project engineers are obviously interested in eyeballing their test mules, but often experienced specialists from Ford's main engineering campus are brought in to investigate specific parts.