it's the cars. the relative motion that is transferred into the cab, the handling, etc. back in the 70s/80s when folks drove huge metal deathtraps with barel

it's the cars. the relative motion that is transferred into the cab, the handling, etc. back in the 70s/80s when folks drove huge metal deathtraps with barely any seatbelt that nobody wore anyway, on top of a giant floating weight distribution that would easily spin out, 80mph was an insanely high speed.