John Surtees retired from driving to take on the management side of the team and hired Australian Tim Schenken and Italian Andrea de Adamich .
The Surtees team updated the TS9 into the TS9B but used a different driver lineup .
Surtees   retired from driving to take on the management side of the team and hired Australian Tim Schenken and Italian Andrea de Adamich .
The Surtees team updated the TS9 into the TS9B but used a different driver lineup .