JChase

So my 65 289 starts fine when its cold. I dont have to pump the gas or anything. It always starts on the first try and idles smoooth. Thats until I drive it for awhile. Once the car gets to a running temp, it wants to stall at lights and is hard to start, until it cools down again. Then it fires up and idles perfect. Anybody have any clues? Thanks alot.

By the way. I have a Mallory ignittion box, pro oil, Mallory Dizzy, Weiand intake, Edelbrock Performer 4bbl w/ electric choke and I put an Edelbrock Performer Mech Fuel pump on that 289. Thanks

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opie2@aol.com

Is your electric choke opereating properly? It sounds like your choke is stuck on. If not, it sounds like you are just running rich.

67mustang302

Does it smell like excess fuel when it dies/warms up?

JChase

It doesnt smell like excess fuel, it just runs like crap and I have to stay on the gas to keep the car running and it runs like crap until it cools down. Then its fine again.

67mustang302

Pull out a couple spark plugs and look at them. See what color they are and if they have any deposits on them.

69thunder

Vacuum leak.

JChase

Thanks for the replies. Im gonna get at it on Tuesday. Ill let you know.

gh67

did you find the problem? My Holley electric choke acts similarly. I 've checked and adjusted vacuum, no problems there. Also hard as hell to start if it is warm....but I suppose the electric choke closes all the way regardless of temp....kinda miss my ole Autolite.