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At the end of the 1972 season , Frank Williams managed to seal the backing of tobacco giants Marlboro, aswell as the backing of Italian automotive company  Iso Autoveicoli S.p.A. The Politoys FX3  from the 1972 season was reworked as the Iso–Marlboro FX3B, which was what ran in the first part of the  1973 F1 Season. Results were poor and by Spain the FX3 was obsolete, so the decision was taken to rework the car. At the Spanish GP of 1973, the ISO-Marlboro IR was unveiled to the world. 

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By the end of the 1973 season, both Marlboro and ISO Rivolta had departed, leaving Williams With financial Issues. Williams stuck with the ISO-Marlboro IR chassis for 1974 and part of 1975, rebranding it the FW after Frank WIlliams. During the 1973 season, 3 chassis were used, which were names the FW01, FW02 and FW03 respectively, despite being the same original ISO-Marlboro Chassis. For the second half of the 1975 season, A new car was designed , branded the FW04. 

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Before the start of the 1976 season, Canadian oil millionaire Walter Wolf bought 60% of Frank Williams Racing Cars and the team became Wolf–Williams Racing. However, Frank Williams was retained as team manager. Soon afterwards, Harvey Postlethwaite arrived as chief engineer. Simultaneously Wolf bought the assets of the Hesketh team that had recently withdrawn from F1. The team was based in the Williams facility at Reading but used most of the cars and equipment once owned by Hesketh Racing. The team inherited the Hesketh 308C car used by Hesketh Racing during the final races of 1975, rebranding it as the Wolf–Williams FW05 and the Williams FW04 was similarly rebranded as the Wolf–Williams FW04, although it was only used in the opening race of the season, the 1976 Brazilian Grand Prix

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At season's end, Wolf decided to restructure the team, removing Frank Williams from the manager's job. Disillusioned, Williams left the team altogether, to set up Williams Grand Prix Engineering with Patrick Head in 1977. Wolf bought 100% of Wolf–Williams Racing and the team became Walter Wolf Racing.the team won its first race in Argentina. Scheckter started tenth, and took advantage of six of the cars ahead of him retiring. During the 1977 season, Scheckter went on to win the Monaco Grand Prix and the Canadian Grand Prix and also six other podium finishes, which enabled him to finish second to Niki Lauda in the World Championship and gave Wolf fourth place in the Constructors' Championship.

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One of the most notable drivers to race for Walter Wolf was 1976 World Champion James Hunt. The car was not very successful and retired more than 7 times during the first half of the season, and ultimately In mid-season Hunt decided to retire.  At the end of the year Wolf grew tired of his F1 adventure and sold the team to Emerson Fittipaldi, who merged its assets into Fittipaldi Automotive.

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DRIVERS:

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* Jacques Lafitte

* Jackie Ickx

* Ronnie Peterson

* James Hunt

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Engine Partners

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* FORD Cosworth

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WHATS THERE NOW..

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For all Your ISO/Wolf Formula1™ Models, Teamwear and artwork check out www.formulamodelshop.co.uk here

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