Funny car backfires

[sparky]

Hagen banged engine pretty hard and bust panel in body didn't blow ,seems like the aren't coming off as often ,did they change how they restrain them ?

 

[Big Sexy]

I don't believe so, the rule book mandates how they are attached, etc. There are degrees of a "backfire" so the amount of damage from the backfire predicates how the body reacts.