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Hp tuners. Which process to use on boosted e38 pcm chevy tahoe 2007 6.0l
Hey Jon, we separate tuning into practical standalone (aftermarket programmable ECUs) where we use the 10 step process, and practical reflash (reprogramming the factory fitted ECU) where we use a 6 step process. In your instance, follow the 6 step process outlined in the practical reflash tuning course.