Then if thats the case run the dodge unit as its the same power steering unit as the GM one is gear driven the other is not . The tank resevors enterchange as does the internal parts , there both made by the same company , That hydraboost unit really dont care how it gets its fluid as long as its there though , my self i like the simplicity for parts option incase some thing was to break in who knows were for ease of parts finding on the self