What is the idling vacuum? Any chance of a vacuum leak? Did you set the timing with the vacuum advance disconnected? Have you verified the accelerator pump is squirting? Is it set to maximum pump stroke? Has it done this since the rebuild or is it a new symptom? Bill Huff At 11/21/200905:52 PM, bluesport62 wrote: > > >HI GANG. CAN ANYONE GIVE ME AN IDEA WHAT TO LOOK >FOR. ON MY 62 SPORT 383WHEN I PUNCH IT FROM A >DEAD STOP IT BACKFIRES AND STUMBLES. I HAVE DONE >ALL THE NORMAL STUF. CARB WAS REBUILT BY AN >EXPERT 40 YEARS IN THE BUSINESS CHANGED PLUGS >WIRES AND PLUGS HAVE MOPAR ELECTRICT IGN.TIMEING >IS SET AT 10 DEGREES.I KNOW IT SOUNDS EASY BUT I >AM STUCK ON THIS ONE.IS THERE ANYTHING I AM >OVERLOOKING. 3000 MILES ON REBUILD. THANKS . JOE LUCIANO HOWARD BEACH N.Y. > > [Non-text portions of this message have been removed] ------------------------------------ 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 For archives go to http://www.forwardlook.net/300-archive/Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/Chrysler300/join (Yahoo! ID required) <*> To change settings via email: Chrysler300-digest@xxxxxxxxxxxxxxx Chrysler300-fullfeatured@xxxxxxxxxxxxxxx <*> 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/