That was Melanie Troxel's fueler during a warm-up. Almost see each individual firing event.
But, back in the day, I pitted for a fellow named Rick Carelli during his ASA, Artgo, Open Comp days. That's when Late Model racing was king.
I spent many happy hours in the pits at the drag races as a kid. My dad ran a Willys Gasser from the 1960s through the early 1980s.