Happy 402 day! Beginning in 1970, all of the 396 badge engines were actually 402 inches as Chevy decided not to mess with the wildly popular "396" moniker that was now as popular as the 409

https://www.jacksonville.com/story/special/2018/05/21/cars-we-remember-big-block-396-chevy-engines-and-mystery-engine-confusion-finally-solved/12173997007/