does anyone know if there is an adaptor plate to suit porsche 911 to vw kombi?

don't know about 911 in particulr but am sure these guys will know

http://www.kennedyeng.com/vw_por.htm 

type 4 bell housing with prefix Z10 should bolt straight up.

Hi

The bolts and the bellhousing size are the same as any air cooled VW and WBX, its the clutch that can be a pain.

Steve