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57rookie · 03-26-2018, 06:42 PM

With engine warmed up and choke off you should be idling at about 800ish or a little less.
If your engine does not run well when you turn your carb idle screw down to that rpm try opening the left and right idle mixture screws on your carb (assuming you have a Rochester).

03-26-2018, 06:42 PM	#6
57rookie Registered User Join Date: Jul 2011 Location: Calgary, Alberta Posts: 153	Re: 67 C10 Pinging Sound With engine warmed up and choke off you should be idling at about 800ish or a little less. If your engine does not run well when you turn your carb idle screw down to that rpm try opening the left and right idle mixture screws on your carb (assuming you have a Rochester).