Engine - Fuel Delivery
Information about the fuel delivery system.
Autovac Manual
The Autovac operates by using suction from the engine to draw fuel from the main tank into an internal vacuum chamber, which then feeds the carburetor by gravity.
Auto-Vac function, maintenance, repair, and parts
Presentation at the 2009 RROC National Meet by Timothy Jayne of Dennison-Jayne Motors