I've noticed that when I add new stickers or paint a part on the engine, the car goes a lot faster...
My father, who was born in the 20's, would always say... "a clean car runs better". Without ever questioning the logic, at least in the early years, I took it as gospel.
That BB is looking great!
__________________
"So when you spot violence, or bigotry, or intolerance or fear or just garden-variety hatred or ignorance, just look it in the eye and think... The good outnumber you, and we always will." Patton Oswalt