▁During ▁the ▁ 1 9 6 3 ▁S CC A ▁season ▁in ▁California , ▁he ▁rac ed ▁a ▁Lot us ▁ 2 3 B ▁tw in ▁cam . ▁ ▁By ▁ 1 9 6 4 , ▁he ▁was ▁driving ▁an ▁AC ▁Cob ra ▁road ster ▁power ed ▁by ▁a ▁ 2 8 9 ▁cub ic ▁in ch ▁Ford ▁V 8 . ▁In ▁ 1 9 6 5 , ▁he ▁campaign ed ▁a ▁Gen ie ▁- ▁Che vy ▁Mark ▁ 1 0 . ▁In ▁ 1 9 6 6 , ▁he ▁switched ▁to ▁a ▁Mc L aren - El va ▁Mark ▁II , ▁and ▁won ▁the ▁USS RC ▁Championship , ▁with ▁a ▁win ▁at ▁the ▁final ▁race ▁at ▁Road ▁America , ▁and ▁second - place ▁finish es ▁at ▁Lag una ▁Sec a ▁Race way , ▁Mid - Oh io ▁Sports ▁Car ▁Cour se , ▁and ▁Las ▁Veg as . ▁▁ ▁Later ▁in ▁ 1 9 6 6 , ▁Par s ons ▁began ▁driving ▁in ▁the ▁Canadian ▁American ▁Challenge ▁Cup ▁with ▁a ▁Che v ro let ▁power ed ▁Mc L aren . ▁Par s ons ▁drove ▁a ▁series ▁of ▁historic ▁Can ▁Am ▁cars ▁over ▁the ▁next ▁six ▁years . ▁ ▁In ▁ 1 9 6 8 , ▁he ▁drove ▁a ▁L ola ▁T 1 6 0 , ▁the ▁following ▁two ▁years ▁a ▁L ola ▁T 1 6 3 . ▁During ▁the ▁ 1 9 7 1 ▁Can ▁Am ▁campaign , ▁Par s ons ▁rac ed ▁a ▁Mc L aren ▁M 8 D , ▁another ▁L