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My 59 has a 350 out of 73 Chevelle: 4 barrel Edelbrock carburetor, intake manifold and cam. On cold starts you don't even hear the engine crank. Yesterday on a lenghty run we stopped for about 30 minutes, It was a very warm, sunny day for LI, high 80s. Gosh, that motor cranked andcranked, at times was pinging, pre-detonating, untill it finally caught. I'm starting to worry that I might burn out the starter. Also, that pre-igniting makes me wonder whether this could also be a timing issue? Mind you that this girl starts normalywhen cold and runs like a new car. Your thoughts please.
Heat created vapor lock on your fuel system possibly?
An electric flow-through fuel pump has helped me many times in this situation, pushes the fuel right through the vapor for start up.
Could be timing as well, but just my two cents since you said it runs great when cold or cool weather
Next time you go for an elongated ride and have to park the car for 20-30 minutes, when re-starting push the accelerator to the floor and hold it there and then turn the engine over. As soon as it catches release the accelerator. What is most likely happening is the fuel in the fuel bowl is percolating into the carb and down into the intake causing a flooding situation. Pumping the gas is only exacerbating the situation. Your engine wants more air at this point NOT more fuel...hence, holding the accelerator pedal to the floor.
My 59 has a 350 out of 73 Chevelle: 4 barrel Edelbrock carburetor, intake manifold and cam. On cold starts you don't even hear the engine crank. Yesterday on a lenghty run we stopped for about 30 minutes, It was a very warm, sunny day for LI, high 80s. Gosh, that motor cranked andcranked, at times was pinging, pre-detonating, untill it finally caught. I'm starting to worry that I might burn out the starter. Also, that pre-igniting makes me wonder whether this could also be a timing issue? Mind you that this girl starts normalywhen cold and runs like a new car. Your thoughts please.
Based on your description that it ran fine until a heat soak, was then acting up but fine again when cold tells me it either flooded from percolation or struggled on a lean mixture caused by vaporization. Given you believe you herd pinging you should make sure your distributor is locked down and not walking around. Put or cause a timing light on it to be sure. If the starter didn't labor during crank I doubt its timing. Either too much or too little fuel...
Still having hot start problems.
