Your best bet is to get a 1 year subscription to AllData. It's $25 and you'll have access to all of their diagrams and repair info. http://www.alldatadiy.com
If you want a good printed set, the Bentley manual has them in the back. You can get it at Amazon or http://www.bentleypublishers.com
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1987 928S4 Silver Metallic (980)/Navy (TP) 5-Speed
2000 Boxster Speed Yellow/Black 5-Speed
1966 Wife White/Brown Top
1986 Daughter White/Brown Top (Sold!)
1992 Daughter White/Blonde Top