Late-model 5.0 Mustangs were designed to run relatively hot with a factory-installed 193-degree thermostat. Running these engines at higher temperatures, combined with emissions devices and a somewhat ...
Thus far, we've increased the power of the 5.4L three-valve engine in our '04 F-150 Project Dark Horse by installing a Powerdyne blower, JBA headers, a Bassani exhaust, and some re-programming with a ...
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