I replayed it about 5 times,and Hamiln clearly got Blaney loose,and did the bump and slingshot,and Blaney hit Newman taking him out. Blaney tried to regain control but couldn't save it before hitting the 6 car. You could clearly see the back of the 12 car out of control.

70 Charger R/T SE 472 Hemi 70 Charger R/T convertible 70 Charger R/T V Code Sixpack 69 Charger R/T SE Sunroofcar 68 Charger 383 68 Charger 318 71 Charger R/T 70 Challenger convertible 71 Challenger convertible 71 Cuda 340 09 Challenger R/T Classic