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We dusted off a production 5.0L H.O. intake and stock throttle body. The ProM MAF was used as a simple radiused air entry since the motors were tuned using a FAST XFI management system. With boost in the cards, we replaced the stock 19-lb/hr injectors with a set flowing 36-lb/hr units from FAST. The stock fuel rail was used for all testing, including with the turbo motor.