edelbrock 1406 carb questions - The 1947 - Present Chevrolet & GMC Truck Message Board Network

burke117 · 11-23-2009, 10:13 AM

the two adjustment screws in the front which does what? turning them left makes it run richer or leaner???

pat 70/71 · 11-23-2009, 10:41 AM

,The screws are idle air adjustment screws turn each one in (slowly)one at a tlme until the motor starts to stumble. then turn the screw out until the idle levels out & then adjust the other one. when motor runs as smooth as it can run , your idle circuit is set. give it a try, hope this helps... Pat

67chevemall · 11-23-2009, 11:35 AM

http://www.edelbrock.com/automotive_...all/1000.shtml

Just click on the two 1406 tabs

11-23-2009, 10:13 AM	#1
burke117 Registered User Join Date: Dec 2007 Location: magna, utah Posts: 108	edelbrock 1406 carb questions the two adjustment screws in the front which does what? turning them left makes it run richer or leaner???

11-23-2009, 10:41 AM	#2
pat 70/71 Registered User Join Date: Nov 2009 Location: newbury park california Posts: 1,038	Re: edelbrock 1406 carb questions ,The screws are idle air adjustment screws turn each one in (slowly)one at a tlme until the motor starts to stumble. then turn the screw out until the idle levels out & then adjust the other one. when motor runs as smooth as it can run , your idle circuit is set. give it a try, hope this helps... Pat Last edited by pat 70/71; 11-23-2009 at 10:44 AM.

11-23-2009, 11:35 AM	#3
67chevemall Registered User Join Date: Apr 2003 Location: NB Posts: 3,367	Re: edelbrock 1406 carb questions http://www.edelbrock.com/automotive_...all/1000.shtml Just click on the two 1406 tabs __________________ 1968 Chevy C10 307 3ott fleetside 1967 Chevy C/10 V8, 3spd, fleetside lwb.Sold 1967 Chev C/10 step, 383, M21. SOLD



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