EPIC 1998 Bluebird TC2000 acceleration epic whistling AT545 audio

Описание: audio of bus 14's acceleration to 4th gear. unlike bus 8, there's a 2nd lower pitch whistle in 3rd gear. this bus also has a whine when deaccelerateing in 1st and 2nd gear. this is the sister bus to 8 so it also has the Collins flat 6 diesel and the Alison AT-545 what creates some epic sounds. #alisontransmission #schoolbus #bluebird