67 i6 runs but dies after 2 minutes
#1
67 i6 runs but dies after 2 minutes
My 67 has difficulty starting and when it finally does it will run perfect or about 2 minutes then dies without spitting or sputtering. So far it has new: fuel filter, fuel pump, fuel lines, ignition coil, plugs, plug wires, exhaust manifold, points, condenssor, vaccum advance, dist. button, dist. cap, radiator, water pump, starter solenoid and I just finished rebuilding the autolite 1100 carb. I've adjusted timing, checked the dwell and tach and tried everything that I can think of. It all started the day I bought the car. The previous owners put stop-leak in the radiator and it overheated. I had to replace the entire cooling system after that and the car hasn't run since. I'm not sure if that is connected to all of this but thats when it all started. This is my first classic car so if you have any advise I'd be glad to accept it, please just try and dumb it down a little for me.
#2
I would check for an excessively low carb float level and or a sticking needle / seat at the fuel inlet of the carb. Just for the heck of it check to ensure that the arrows on the fuel filter are pointing the correct direction. Next time it dies after running a few minutes look down into the carb with a flashlight and while looking open the throttle to see if there is any fuel left in the carb for the excellerator pump to give a good healthy squirt of fuel. If not, time to open the carb up and see where your problem is.
#5
Next time is dies go to the fuel filler cap and unscrew it an listen for the sound of air rushing into the filler neck. This would indicate a non vented tank. If so check the cap for a plugged vent hole. Could be the problem or may be not.
#6
Foghorn Leghorn
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In addition to the above suggestions...
There is a small 4-5" rubber hose connecting the fuel tank to the hard fuel line running up to the engine bay. Check to make sure that this little piece is in good shape and hasn't collapsed or filled up with goop. That'll stop your fuel flow in a jiffy.
There is a small 4-5" rubber hose connecting the fuel tank to the hard fuel line running up to the engine bay. Check to make sure that this little piece is in good shape and hasn't collapsed or filled up with goop. That'll stop your fuel flow in a jiffy.
#7
One of my buddies is a Ford mechanic and suggested removing the fuel cap at some point to see if that would keep it running. I guess thats the same thing that you are suggesting, but it didn't have any effect. So I guess theres something else happening here. I'm getting so frustrated that I've dreamed of setting the car on fire and dancing around it like a hethan.
#8
In addition to the above suggestions...
There is a small 4-5" rubber hose connecting the fuel tank to the hard fuel line running up to the engine bay. Check to make sure that this little piece is in good shape and hasn't collapsed or filled up with goop. That'll stop your fuel flow in a jiffy.
There is a small 4-5" rubber hose connecting the fuel tank to the hard fuel line running up to the engine bay. Check to make sure that this little piece is in good shape and hasn't collapsed or filled up with goop. That'll stop your fuel flow in a jiffy.
#10
Is the fuel tank clean? You could be picking up trash.
What carb is on it? If its an Autolite 1100, some of the have issues with the needle and seat not staying in place. Some are pressed in and some are threaded. Unfortunately mine was pressed in. I know mine did back in high school when it still had the 200 in it.
What carb is on it? If its an Autolite 1100, some of the have issues with the needle and seat not staying in place. Some are pressed in and some are threaded. Unfortunately mine was pressed in. I know mine did back in high school when it still had the 200 in it.
Last edited by tx65coupe; 12-08-2012 at 05:38 AM.