If you delve back in to the dark recesses of the internet, all reference to this car refer to it as a VW. Very recently, the current owner penned an article which describes in detail the Porsche 356 engine but is somewhat wooly about the chassis. I wouldn't want to cast aspersions but I think this might be a case of somebody wanting their car to seem more important than it actually is - it may have a Porsche 356 motor these days, but I'm pretty sure it is on a VW chassis. The MHK cars all seem to have been built on cheap, readily available and rather pedestrian mechanical parts.
My point is, it probably is that previous puzzle of yours, as back in 2010 there was no reference online to this car being anything other than a VW!
