I use speed bleeders on my Porsche 944. They work great. I like pedal bleeding rather then a motive power bleeder. These do the trick and make it a one person job. I got mine at a local speed shop. A quick search yielded this: http://www.speedbleeder.com/

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Michael
Southern California/Santa Monica
1986 MB 190D 2.5, 5 Speed Black and Palomino "Mordechai"
1985 Porsche 928S (32V), 5 Speed
1980 Porsche 928 (16V), 5 Speed