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68 Camaro 350 edelbrock 650cfm

Car has been hard to start. Cranks for a few seconds and then fires up, only to immediatly die. Feels like there is no fuel getting to the carb , but the fuel pressure gauge looks good. This goes on a few times until it finally takes and keeps running. Once it's going , it runs great.

Any thoughts?
 

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This sounds like a leaning issue in the idle circuit. Take the air cleaner off with the motor off, look in the car grab the throttle linkage and give it a pump or two. Then if you have fuel squirt (good accelerator pump) but then check air/fuel mixtures they are lean or time to give the carb a good cleaning threw the jets, air bleeds and fuel mixture screws. Check the plugs.
 

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Place a vacuum gauge on the manifold and as engine cranks, it should develop 1 inch of vacuum.
Could be air in the fuel line being compressed until fuel gets into the bowl.
Might let the pump work alittle longer to fill the bowl, then attempt to start.
It also reads like the engine is running on what the accelerator pump has delivered and the engine burns the amount of fuel pumped until its gone. Then pump some more and engine runs on what fuel is pumped until the bowl fills.
Might back out the mixture screws a 1/4 turn to see if it helps.
 

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Is your problem only when you start up for the day or even when warm?
If its only when you start for the day I would add a lil spring preasure to the choke. And see how that works. If your High idle is set below 1200 rpms that could contribute as well.
 

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That exact thing just happened to me. Cheap filter went bad and crap got in the carb. Needle and seat were sticking. Removed the bowl, picked out a couple pieces of crude, shot it with carb cleaner, all better.
 
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