Here is a Datsun 510 canidate (Nissan Bluebird) in UK) from NY... I think the 510 on the door is to remind him of what this monstrosity should be.

Uggy car:
http://www.craigslist.org/sfc/car/33156433.html

Normal 510:
http://www.pipeline.com/~micman2b/510/Content/Profiles/MrRed.html

Then there is Tragon, the 1971 wagon we placed on a Datsun 620 truck chassis with a 280Z 6 cylinder motor:
http://www.pipeline.com/~micman2b/510/Content/Profiles/tragon.html

Sean in NC