when its cold and damp my 85 ta 305 tpiruns real bad untill it warms up,once i start it up it acts like a couple cylinders are flooding, the harder i run it the worse it gets. i have to baby it to get it to come out of it . new r45ts ac plugs dident help. once i get it running it wont act up intil i park it overnight.

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I'm not as much of a guru as some of the guys on this board when it comes to fuel injection problems, but my first guess at your problem would be leaky injectors. This would cause it to run way too rich, and they would leakdown overnight, which would fill those cylinders with gas. If this ends up being your problem, you need to either replace the bad injectors with new ones, or have all your injectors cleaned by a professional. One thing you can try before having to tear anything down is running a couple of bottles of injector cleaner through your system, maybe even put two bottles in at once to strengthen up the cleaning action. I had dirty injectors on my TBI car once, and the bottled injector cleaner cured it. Tuned port injectors seem to clog easier, but it's worth a try before having to tear down your injection system.



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89RS w/350 TPI; 69RS/SS w/450 HP 350/Muncie 4-Speed "Too weird to live, too rare to die."

 

thanks i will try that, i wonderd if the injectors could do that.