The link to my gallery of 0900 has changed, here is the new name. https://postimg.cc/gallery/360xkqigk/ Paul M
Great detail pictures of the Piper P4 and one of the other P4 style chassis David Piper had built. Thanks for re-posting the link.
Just updating this thread: Some time after David Piper stated on video in the post here that all the details of his P4 had been found in the Old Man's Office, I asked the Ferrari Factory directly about this particular P4 and they did a thorough investigation of all Ferrari Classiche technical archives, which contains information about every chassis manufactured and sold by Ferrari. On the basis of the search of the vehicle depicted in the photographs I sent i.e chassis number 0900 of a Ferrari 330 P4 they confirmed it has never been manufactured or sold. They stated that it was built without authorisation by Ferrari using parts obtained by various means that were assembled outside the official network and has never taken part in any Ferrari Racing activities. Ferrari confirmed that on the 12th September, 1997 David Piper sent a fax to then Chairman and CEO Luca di Montizemolo requesting the recognition of a Ferrari 330 P4 type vehicle bearing chassis number 0900, a request that had already been submitted to SAT by Angelo Amadesi in order to register the vehicle for the Historic Challenge in April of 1997. The request was denied. On the basis of the authenticity requirements adopted by Ferrari they confirmed that the aforementioned Chassis 0900 is not original and is ineligible for Ferrari Classiche Certification.