K4fxd
Well-Known Member
Kind of. Road draft in the early days was a tube from the crank case (valve cover) to under the car. It has a v cut to create a vacuum from vehicle speed.
Drag racers run a tube from the valve cover to the header collector, this also has a v cut to create vacuum. This only works without mufflers.
Drag racers run a tube from the valve cover to the header collector, this also has a v cut to create vacuum. This only works without mufflers.
Sponsored