There is a place that specialises in these. only does them. Has about 50 in his yard in various states as I recall! Porsche world did an article on him. Will dig it out.
had all the things to look out for. They can be horific money bits if you take them to Porsche, find a good specialist and I think they are nice cars.
They need GTS wheels though and teardrop mirrors...
Not gay 968 cast off wheels and 1980's mirrors that are on the yellow one!