question for Mike or anyone on a carb - The 1947 - Present Chevrolet & GMC Truck Message Board Network

mhorning · 07-21-2003, 01:50 PM

Mike,

Do you know how to adjust the idle mixture screws on a m4med carb? I have the 1986 unit repair manual, but it's not very specific. Thanks.

Mike

**swervin ervin** · 07-21-2003, 04:45 PM

You adjust them like any carb. You will probably need to cut the hardened plugs out that cover the screws. Then, Pepboys sell a special tool that fits the screws heads.

07-21-2003, 01:50 PM	#1
mhorning Registered User Join Date: Jul 2003 Location: Corning, NY Posts: 158	question for Mike or anyone on a carb Mike, Do you know how to adjust the idle mixture screws on a m4med carb? I have the 1986 unit repair manual, but it's not very specific. Thanks. Mike

07-21-2003, 04:45 PM	#2
swervin ervin You get what you pay for Join Date: Dec 1999 Location: Cherryville, NC Posts: 4,798	You adjust them like any carb. You will probably need to cut the hardened plugs out that cover the screws. Then, Pepboys sell a special tool that fits the screws heads. __________________ Mike 1985 Chevy C-10



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