 Complete the following phrase:  An improvement in form came at the Italian Grand Prix where the cars ran without wings and Goodyear brought their new G9 specification tyre. McLaren qualified on the front row and led to begin with until he slowed at the scene of an accident and was caught by Stewart, Hulme and Jo Siffert in a Lotus. A slipstreaming battle ensued; McLaren retired with an oil leak at mid-distance but Hulme went on to win. From the Canadian Grand Prix onwards, a third M7A was driven by Dan Gurney whose Anglo American Racers team  for whom Bruce McLaren had driven for three races in 1967  had run out of funding for their own Eagle cars. Gurney retired with overheating in Canada, but Hulme and McLaren continued their success by finishing first and second respectively, albeit after their strongest challengers had all retired. Hulme was then jointly in the lead of the Drivers Championship with two races to go. He ran competitively towards the beginning of the 