Who said it was an R31? As you can see in my post, 1991, HNR32 model. The only hot R31's are GTS-R's, of which there are only two in the UK ... Not sure where you got the R31 thing from...
Pics you can find at the Skyline GTS owners club site - link here is direct to my car...
http://www.skylinegts.co.uk/DanOh.htm
The pictures are the day the poor old bird arrived from Japan, if you want to question that too, it came in on the "Platinum Ray", owned by Yuwautotrade Logistics, a large car transporter that frequently sails from Sapporo to Nagoya, then through a few med destinations, then into Southampton and Tilbury in the United Kingdom...

Pics you can find at the Skyline GTS owners club site - link here is direct to my car...
http://www.skylinegts.co.uk/DanOh.htm
The pictures are the day the poor old bird arrived from Japan, if you want to question that too, it came in on the "Platinum Ray", owned by Yuwautotrade Logistics, a large car transporter that frequently sails from Sapporo to Nagoya, then through a few med destinations, then into Southampton and Tilbury in the United Kingdom...