What Ignition System do you have? Just a WAG, but replace the condenser if you have one, or go to an electronic ignition. Good Luck, Ray On Oct 13, 2005, at 3:07 PM, Ryan Hill wrote: > Several months ago I approached this listserve to try and solve a > mysterious > engine problem I was experiencing. Well, I've been busy with other > things > and haven't spent much time trying to figure out the problem until > this past > weekend. I'm still stumped! > > Brand new, completely rebuilt 383 4BBl (AFB). Started right up and > broke in > the cam with no signs of trouble. Very responsive, ran smooth, > everything > normal. Car is not complete so I haven't driven it further than the > end of > my driveway. After running it for an hour or so over the course of a > week, > it started to run rough when warm. Seemed like it was flooding a bit. > Very > quickly it began running only when first started, then it would stall. > (would run about 4-5 seconds max) > > After replacing the fuel pump and no change, I replaced the carb with > an old > AFB I had laying around. It ran with the second carb leading me to > believe > my rebuild of the original was flawed. After a few days of running > the car > in the driveway to move it around the same symptoms returned. Now the > car > would only run shortly when lightly primed. > > I've checked all the fuel lines for leaks, run the car directly from a > gravity feed tank straight to the fuel pump, checked the vacuum (no > leaks > evident), the timing and dwell are right on, I've hotwired the car to > rule > out electrical problems, I've checked the float levels.......When the > car > starts up it runs smooth and fires right away but then stumbles and > stalls. > With the idle screw backed right off so the primaries are completely > closed, > it will start with no pumping (of the throttle) over and over. It > starts, > runs for a few seconds at low idle, then stalls. Any attempt at > giving it > some throttle stalls it immediately. I'm almost convinced it is > flooding. > > Does anyone have any bright ideas? > > Ryan Hill > > > > > To send a message to this group, send an email to: > Chrysler300@xxxxxxxxxxxxxxx > > For list server instructions, go to > http://www.chrysler300club.com/yahoolist/inst.htm > > > > > SPONSORED LINKS > > Chrysler 300 srt8 > 2005 chrysler 300 c > 2005 chrysler 300 pictures > > New chrysler 300 > 2005 chrysler 300 limited > 2005 chrysler 300 m > > > YAHOO! GROUPS LINKS > > > â ÂVisit your group "Chrysler300" on the web. > Â > â ÂTo unsubscribe from this group, send an email to: > ÂChrysler300-unsubscribe@xxxxxxxxxxxxxxx > Â > â ÂYour use of Yahoo! Groups is subject to the Yahoo! Terms of > Service. > > > > [Non-text portions of this message have been removed] ------------------------ Yahoo! Groups Sponsor --------------------~--> Get fast access to your favorite Yahoo! Groups. Make Yahoo! your home page http://us.click.yahoo.com/dpRU5A/wUILAA/yQLSAA/8LmulB/TM --------------------------------------------------------------------~-> To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/