I had one on My 40 Pickup for years (remove or cut 1" off top of push rod ) ran through mechanical pump to keep engine looks-some say it acts as a pressure regulator?? Recommend hook up pump on switch seperate of ignition so you can shut off & run Carb dry for short or long storage. My 36 will get same treatment for florida heat--Also sent Coil & Water Pumps to "Skip" for same reason. The pump I use is the Airtec E8902 6v-delivers 3.5-4 psi Good luck
