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NASCAR details cause of No. 42 liftoff at Talladega

Following the Monster Energy NASCAR Cup Series race at Talladega Superspeedway in April, the NASCAR Research & Development Center based out of Concord, North Carolina, did an analysis on the late-race rollover incident involving Kyle Larson and his No. 42 Chip Ganassi Racing Chevrolet.

NASCAR officials looked through various camera angles using freeze frame photos and determined that the No. 24 of driver William Byron made contact with the No. 42 behind the right front tire.

As a result of the contact, damage from the collision caused the lift when Larson’s car slid sideways toward the inside retaining wall. NASCAR’s wind tunnel data shows that an undamaged car would lift off only at speeds greater than 250 mph. The damage sustained on Larson’s car, the analysis showed, would have decreased the liftoff speed by 70 mph.

After many hours and simulator tests, NASCAR officials are not requiring any changes to the cars.