2/15/2024 0 Comments Vapor lock in carsNot a major issue with UK summers, but if i can make my car more reliable. i havent had to try that yet but may give that a go if ever stranded again?Īlso, i've been advised to move fuel lines away from hot areas and also insulate lines with aluminium foil. ![]() apparently, remove the airfilter and put a hand over the carb intake and crank the engine (or unless you have really long arms, get another to help!)Īpparently, thats a guaranteed fix. ![]() Unlike the Jag system, this run is at low pressure whenever the pump is running. It’s a problem in vintage American cars with mechanical pumps, because the long fuel line runs past the warm block before it hits the pump. I took the petrol cap off, squeezed the fuel pipes, tapped the pump and kicked the tires, but nothing worked until the car had cooled down.īut my UK 02 forum did mention a fix for carb engines. Vapor lock is caused by high temperatures AND low pressures. My Baur has simple single barrel Weber and mechanical pump. It started fine but then died and cranking did nothing, left the car to cool down for an hour and the next turn of the key it burst into life. Had the very same thing happen to me a couple of weeks ago after a long sunny drive then parked up for 30 mins. There are several symptoms that may point to vapor lock. Just passing this along in case, as the weather heats up, anyone else has this flash-back problem. What Is Vapor Lock Vapor lock occurs when fuel overheats and vaporizes in a fuel line, carburetor, or fuel injector, disrupting the correct air-fuel ratio. Of course, with modern cars and vented caps, this never happens. Could have avoided a lot of agony by a taking the gas cap off.Īnyway, ever since then, oddly, I"ve been wondering (hoping) it would happen again so "this time" I would know what to do. next morning shop calls me up and says, hey, this thing is perfect, how much do you want for it? Three hotel rooms and Wife pissed and yelling later. Eventually had to have suburban *and* boat towed to a shop. Truck just lost all power, died, and on restart had about 25 percent horsepower. Last time that happened it was over 15 years ago in an 80'ish full size suburban stuffed to the gills hauling 3 kids, wife, mother in law, and boat through the Syskous in California (for you non west coaters, big, steep mountain pass) in dead of summer. ![]() Good old, old school no vent gas gap with fuel system in full vapor lock mode. But eventually fired up and ran like nothing happened. Was wondering when this now useless piece of knowledge would come back in handy. Clearly had spark, and the battery was good. Car turned over quick and fired up, and instantly died. For around here anyway.Ĭame out from the grocery store today around 4 after running it hard. Been running the car every day in Seattle.
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