So, on modern vehicles with all of the new microelectronics and micro circuitry, you have to consider if a component had an opportunity to overheat. They might heat up enough to cause trouble as you're going down the highway, or they might only overheat after the vehicle has been parked and there's no air flowing and cooling happening.
So, on modern cars, something you always have to think about is whether the electronic components have heated up. If I had I stayed in the store probably 40 minutes, the module in the engine would have been cooling down and it would function well enough to start the car as it always did. The expansion caused on the electronic components affected their micro circuitry. Long story short: in this situation the heat from the engine basically heat soaked that module in the 15 or 20 minutes I was in the store. One day I drove 15 minutes up to the store, came out 20 minutes later and could not get the car to start to save my soul. I had an Oldsmobile and it developed a very tiny engine miss, but it drove fine most of the time, but don't mess with something if it's not broken. If you drive a car a short distance and you park it, the module or other electronic components get heat soaked and then they don't work if you come back out to the car in 15 or 20 minutes. Regarding ignition modules and other electronic components: many, many times as electronic components heat up, if they have a flaw or have grown old they will misbehave. Then after 30 minutes or so, I'll try to start it and it's fine until it's been running 30 minutes or longer and then it happens again.ĭoes it need a pressure regulator or a heat shield to protect the fuel line or does the carb needle value need to be changed or reset to keep the engine from flooding? Please answer as soon as possible.
SMALL ENGINE VAPOR LOCK FULL
I opened the hood and the inline glass fuel filter might be empty or full of fuel, but the car has trouble starting when this happens.Īlso, after running and shutting off all by its self like it has no fuel. Sometimes the car runs for 30 minutes or so then starts to die, like a vapor lock or flooding the carb. It has a 350 small block carb engine and smells like it's getting too much fuel. My hot rod Corvette has low gasket pressure in the electric fuel pump. Remember when we used to put wooden clothes pins on the fuel line? The clothes pins act like a heat sync, drawing heat away from the fuel line and my wife says the wooden clothes pins are still available at the dollar store.I had a 1968 Roadrunner that I used to drive a lot in the summer when the temps got well into the 90's.Use non ethanol gas if you can find it.Cool the engine with a cooler thermostat, bigger fan, or bigger radiator.You may end up also adding a regulator because you don’t want the pump to overrun your mechanical pump. Just before startup, you run the electric pump for a few seconds, then turn it off. Hopefully thicker gaskets will be available for your engine. A couple of 1/32 thick gaskets isn’t going to do much. Instead of a spacer add extra mounting gaskets.
And you will probably need to put longer studs in the manifold to accommodate the extra height. These are hard to find so you will probably have to make one. Put a spacer under the carburetor mount.Put heat wrap around the fuel line in the engine compartment.There are also return regulators available. There are some fuel filters out there that include a return port. This extra line will help cool the fuel, allowing the fuel pump to pump gas instead of vapor. One of the best ways, but a lot of work, is to run a 3rd line from the fuel pump back to the gas tank.
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