1956 olds won't start.
Turns over and is getting gas and spark. Seems to want to start at first but
coufhs but doesn't turn over
Is it flooded? Timing and points set correctly, engine compression good? I would remove the plugs and blow some compressed air into the cylinders too make sure they are clear then test the compression dry then but a little oil in each cylinder and retest wet, there should not be too much difference between the wet and dry readings, if there is then you have internal engine problems.
I replaced the fuel pump recently and put in a new fuel tank but since then it hasn't started, it seems like it gets flooded. The carburetor is only a few years old and seems to be working properly
If it is actually flooding then there is something wrong with the carb, this garbage they call fuel today is very hard on the carbs internal seals especially the needle and seat. Have you tried pinching off the fuel lines and see if it will start with the gas pedal in the wide open position? If it does start release the pedal and let it idle out and then release the fuel lines and see if it stays running or floods out, if it stays running then shut it off and watch down the carb for dripping fuel out of the venturi, if you see fuel dripping or the engine floods out then the problem is the carb.
I just trying starting it again and didn't pump the gas and it turned over and started but the choke appeared to be closed and it died out and now won't turn over again. The carburetor is new only a year old and worked fine prior to me replacing the fuel tank and fuel pump. It is getting plenty of gas
The choke pulloff could be bad so it isn't pulling the choke back just enough to keep it from choking out. Another thing is the new fuel pump could be putting out more pressure than the one that went bad so you might have to lower the float level slightly so it puts more pressure on the needle and seat.
Thanks I will try adjusting both maybe he float first because it seems to be flooding
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