the seals in the rack are very picky, I would only use the Motorcraft mercon V.
DO NOT use power steering fluid it will overheat way too easily and blow out seals and burn up the pump in no time.
Originally Posted by Dennis_Grant
Remember this list: Bilstein; Penske; Koni; Ohlins; Sachs; Dynamic Suspension.
Not on this list? Almost certainly crap.