She’s real fine my 4-0-9 She’s real fine, my 4-0-9 My 4-0-9 Nothing can catch her, nothing can stop my 4-0-9, 4-0-9 Giddy-up giddy-up giddy-up 409!   (“409,” by the Beach Boys, 1962)   COMMON HARDWARE FOUND IN INTERNAL COMBUSTION … Continue reading →