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idle mixture screws #1412535 03/31/13 10:28 PM 03/31/13 10:28 PM
Joined: Mar 2010 Posts: 28 wv 73bbroadrunner OP member
73bbroadrunner OP member Joined: Mar 2010 Posts: 28 wv	why would only one idle mixture screw work? The one on the passenger side does nothing if turned all the way in it doesnt respond to anything. The drivers side will kill motor if turned all the way in and responds to fine adjustments like it should. Brand new 750 holly 4160.

Re: idle mixture screws [Re: 73bbroadrunner] #1412536 03/31/13 11:05 PM 03/31/13 11:05 PM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	I'd open it up & go thru it checking metering block passages for blockages/gasket hole not punched etc. live every 24 hour block of time like it's your last day on earth

Re: idle mixture screws [Re: 73bbroadrunner] #1412537 03/31/13 11:14 PM 03/31/13 11:14 PM
Joined: Mar 2013 Posts: 197 Nor-Cal L loaderpro member
loaderpro member L Joined: Mar 2013 Posts: 197 Nor-Cal	Check to be sure the cork "0" ring has not deteriated in the idle screw bore, if thats not it then prob a swollen metering block gasket.

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