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Classic Mustangs Tech Forum

Technical discussions specific to 1964-1967, 1968-1970, and 1971-1973 Classic Mustang. Discuss all tech related to in-line six cylinder and V8 powered Vintage Mustangs here.

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Unread 01-06-2011   #1 (permalink)
leos68stang is offline Rookie


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vernon   New Jersey
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Default 1968 Mustang-car warms up and slowly stalls

i have a 68 stang with 302. car starts up fine runs for a little bit than slowly stalls out. than hard to start. any help thanks
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Unread 01-06-2011   #2 (permalink)
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What kind of carb and choke? exh. heated choke tube or electric choke or manual choke?
A pic with the air cleaner off would help a lot. Your choke may not be opening fully when warm.

Could also be that your timing is off, do you have a timing light?
Jon
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Unread 01-06-2011   #3 (permalink)
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My 70 did the same thing and I thought it was the carb. I had the old mallory duel point system on there and that was the problem. I put the new MSD electronic ignition system and MAN what a differance. No more stalling out after she warmed up. If you don't want to change everything check your coil.Sometimes when they heat up they don't send a good spark to the distributor. Check your spark at one of the ends of your cap by letting it arc. My spark got so weak I didn't even know how the car was running.
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Unread 01-07-2011   #4 (permalink)
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thanks guys, i didn't get a chance to check it out yet. if any body has any more ideas. thanks
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