Someone did make one once honest, it took them ages and was created from a Tamiya Golf and mega modified and a Resin mould make etc.
I will see if I have any pics on my PC.
Someone else here will remember no doubt.
Edit :
Right I found it now :
http://www.geocities.co.jp/Playtown-.../toya_gtir.htm
and
http://www.geocities.co.jp/Playtown-...TIR_GENKEI.htm
