John Surtees and former winner Ludovico Scarfiotti, and sports-car specialists Mike Parkes and Jean Guichet. They also ran a 3.3-litre 350 bhp closed-top coupé for Bandini/Biscaldi. Ferrari's regular customer teams, the British Maranello Concessionaires ran a 4.4-litre variant for Jo Bonnier/David Piper. The North American Racing Team (NART) ran a 365 P2 built around a previous year's P chassis with updated aerodynamics and featured a 4.4 L SOHC V12. It was given to NART regular Pedro Rodriguez with Nino Vaccarella. Enzo Ferrari was furious when the CSAI, the Italian motor-racing body, would not assist to GT-homologate his 250 LM (the 1964 race-winning car) and vowed to pull his SEFAC Ferrari works team out of the GT Championship. Meanwhile, there were five of the car's successor, the 250 LM, entered by the customer teams. This included NART (Masten Gregory/Jochen Rindt), Maranello Concessionaires (Bianchi/Salmon), Ecurie Francorchamps, Scuderia Filipinetti and Pierre Dumay's private entry. Finally, Ferrari also entered a new Dino prototype, the 166 P, with a 1.6-litre V6 engine. After the departure of Eric Broadley and Lola Cars, Ford put its racing organisation under Shelby American, with car production and development handled by Kar Kraft in the US and Ford Advanced Vehicles in the UK (run by John Wyer with a number of ex-Aston Martin staff). After no wins in the 1964 season, the new year had started with a win for Ford at Daytona. The new Mk II (also known as the “X-car”) was sent from FAV across to Kar Kraft to get the new engine fitted – the massive 7-litre, 450 bhp, NASCAR racing engine based on a Ford Galaxie block. Ready just in time for Le Mans, two cars would be raced by Phil Hill/Chris Amon and Ken Miles/Bruce McLaren. Meanwhile, FAV was tasked with production of the requisite 50 GT40s for homologation. On Shelby's initiative, the GT40s were now fitted with the same 380 bhp 4.7-litre engine as the Cobras (except for the Filipinetti entry) and the Colotti gearbox that proved unreliable was replaced by the more robust German-made ZF gearbox. Four cars came to Le Mans: FAV used Alan Mann Racing with Innes Ireland / John Whitmore. Shelby American supported the Rob Walker Racing Team (Maglioli/Bondurant) and the Swiss Scuderia Filipinetti (Müller/Bucknum) who were both also entering Ferraris. Ford France ran an open-top spyder variant for Maurice Trintignant/Guy Ligier Once again Maserati France's John Simone commissioned the