McLaren didn't exactly shy away from Can-Am after Bruce's death, they won the title again in 1971 with Peter Revson, and would have won it again in '72 but for the emergence of the Penske campaigned Porsche 917-10. By 1973 McLaren left the series simply Porsche had driven the cost of competing in the series through the roof, especially when they introduced the cost-no-object 917-30. That car was a brilliant piece of engineering, but it effectively killed the Can-Am series.
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