Saturday, February 4, 2012
Installation Instructions 2005 Ford Mustang GT Roushcharger Kit
Application: 2005 Ford Mustang GT 4.6L 3 Valve with Manual Transmissions Only. Before installing your Roush Performance Products, please read the installation manual and verify that all items are present. Premium fuel (91 octane minimum) is required to prevent “spark-knock” or detonation under certain operating conditions.
There is a great deal of misinformation about the function of Roushcharger bypass systems. The Roushcharger is a positive-displacement pump; that is, so long as it is rotating, it is always pumping air. During low demand or high vacuum operation (idles, decelerations, and light throttle cruise), the pumping action is undesirable as it creates unwanted heat and noise. The bypass circuit, when open, prevents any pressure buildup across the Roushcharger and allows air to circulate through the rotors, allowing the Roushcharger to “idle” freely during these conditions. This results in reduced noise, and by reducing heat buildup in the intake, significantly improves street and strip performance. As throttle demand increases, the bypass circuit is closed, resulting in full performance from the Roushcharger. The bypass circuit is never used to limit or control boost during full-throttle operation and defeating or altering the bypass function will not result in improved performance in any condition, and will result in poor drivability.
