Not a Maverick but it is a Ford. I once had trouble with what I thought wwas vapor lock while driving back hauling a car from Hotlanta. It would run a ways and stop. If I cracked the fuel line pressure would release and it would run another 20 miles or so. I thought I had it fixed. For a while now I have had trouble with teh truck stumbling at an idle. It would usually catch itself but once in a while it would die. It would start right back up though. This is on my 71 F100 with a 460/c6 600 Holley. Today I was looking at it again and could hear what sounded like a vacuum leak between the base plate and carb body. I started pulling the carb and when I pulled the fuel line fuel came out under pressure enough to hit the firewall and spray out what looked like a quart or more of fuel under pressure. The truck had been run about an hour earlier and idles a couple of minutes about 15 minutes earlier. Does this sound like Vapor Lock to you? I DO have a rubber fuel line from the stock pump through a plastic filter and to the carb. I never have trouble running at speed or when I step on the gas hard, it will go. Just a little bump at idle. Vapor Lock? Thanks for any help clint
it sounds like a bad coil to me. its weak and when it gets hot it cant make enough spark to keep it running.
Last time I messed with it I put on a new coil, different carb and a new HEI module and there was NO change. I did burn up a coil a couple years ago when I 1st put on the 4 pin HEI module but it wasn't a 12v. coil like it needed. Why would the gas come out of the fuel line under enough pressure to hit the fire wall and empty probably a quart or more of fuel? The truck had not been run in probably 15-20 minutes. It is a stock fuel pump with the filter on the bottom and though I know better I do have rubber fuel line from the pump to the carb though I have it moved as far away from any heat as I can move it. That is what makes me think it is vapor lock again. Even though I am running a 302 radiator in the truck it still runs 180 most of the times 185 if I push it on the interstate for a while. It is a wide 3 row radiator though. Thanks for the help clint
