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Old 07-23-2013, 02:05 PM   #1
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1968 mustang stalling

I have a 1968 mustang and it runs fine when the engine is cold but once if warms up it starts stalling. Any ideas on what it might be?
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Old 07-23-2013, 02:07 PM   #2
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What do you mean when it gets warm? Like when you need more gas out of it? Or when it idles for a while?
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Old 07-23-2013, 02:30 PM   #3
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What do you mean when it gets warm? Like when you need more gas out of it? Or when it idles for a while?
Like when you first start it the engine isn't warmed up so it uses the choke but after I drive it for 5-10 minutes and the engine gets warm enough to where it doesn't need the choke it will start acting like it's not getting gas and stalls when I come to a stop. My dad thinks it might be electrical with the cool or points. He just wanted me to see what y'all thought
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Old 07-23-2013, 02:41 PM   #4
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This happened to me. We could easily have different problems but mine was because of a nasty gas tank and bad fuel pump. Once I picked up speed or went up hill my car wouldn't get fuel. Keep that in mind. If it is points make sure your distributor contact points are correctly gapped. And then upgrade to pertronix electronic ignition.
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Old 07-23-2013, 02:45 PM   #5
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This happened to me. We could easily have different problems but mine was because of a nasty gas tank and bad fuel pump. Once I picked up speed or went up hill my car wouldn't get fuel. Keep that in mind. If it is points make sure your distributor contact points are correctly gapped. And then upgrade to pertronix electronic ignition.
I have a pertronix ignition but it's who knows how old so it might be going bad. I'll check the gap though.

And my take was full of rust but I already got a brand new one and it's been installed for months. But thanks!
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Old 07-23-2013, 04:37 PM   #6
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...and it's been installed for months.

Obvious question, but was the filter changed with the tank? Sounds like you're just not getting fuel. Has the carb been rebuilt lately? If you had rust, you can have clogged jets.
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Old 07-23-2013, 05:26 PM   #7
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Yeah it could easily be your fuel filter. Check that because if you had rust in the tank, then there will be rust in the filter which will not allow the proper amount of gas to be pushed through. Try this first since its the easiest/cheapest part to replace. Once you do this, also try spraying carb cleaner down into the carb so if there's any dirt or debree then this will clean it out and spot it through to the exhaust. Let us know if any of these ideas fix your problem
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Old 07-23-2013, 07:01 PM   #8
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It worked fine but I wrecked it in October and just got it going again and it started doing that. So I feel like since they were fine in October it wouldn't get rust that soon
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Old 07-23-2013, 08:14 PM   #9
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Did you change any if your vacume lines at all?

---------- Post added at 06:14 PM ---------- Previous post was at 06:14 PM ----------

Vacuum
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Old 07-23-2013, 08:44 PM   #10
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Did you change any if your vacume lines at all?

---------- Post added at 06:14 PM ---------- Previous post was at 06:14 PM ----------

Vacuum
No
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Old 07-23-2013, 09:53 PM   #11
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Power brakes?
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Old 07-23-2013, 11:51 PM   #12
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Power brakes?
Yes, I have power brakes
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Old 07-23-2013, 11:58 PM   #13
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I have the same problem some times with my breaks it draws too much vacuum and kills the engine you can try to turn um the idle screw on your carb a little or make sure your pcv valve is in All the way
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Old 07-24-2013, 12:07 AM   #14
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Quote:
Originally Posted by travisb.young66 View Post
I have the same problem some times with my breaks it draws too much vacuum and kills the engine you can try to turn um the idle screw on your carb a little or make sure your pcv valve is in All the way
Ok I'll try that first thing tomorrow instead of buying stuff and seeing if it fixes it. Thanks!
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Old 07-24-2013, 04:31 AM   #15
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I will try a different approach. Unhook the gas line to the carb then place it in a 2 liter bottle turn the engine over (do not start the engine pull center rotor cap plug from the coil) and see if the fuel comes out the hose with out any problems a good straight stream. It should fill the bottle in a few cranks of the engine.

Is it a stock carb?
If not what type of carb is it?
Did you rebuild it?
You say it was wreaked what was replaced after words?
Have you replaced the fuel filter?
Have you rerouted the gas lines near the exhaust manifold?
If so you might be to close causing the gas to evaporate before it gets to the carb.

Have you timed it?
Did you have the vacuum line off the distributor when you did?
Have you had a lot of rain check the inside of the distributor cap for cracks or moisture.
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Old 07-24-2013, 11:23 AM   #16
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I got a new coil and it hasn't done it again yet. So hopefully that was it
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