Three different cars merged into one thread: Carnut's Jamaican is based on a MGA chassis, which makes it a close relative to Facel's Jamaican based on an Austin-Healey. Those were two of the three chassis options the Jamaican started with, the third one being a Triumph chassis. Later a version was offered which could be built on a VW Beetle chassis. Finally the V8 came on a tubular chassis built by Fiberfab itself. That's Amsterdam's puzzle car.
So to complete this agglomeration of different versions, here is a VW-based Jamaican II, said to be the only one in Europe: