carb problems - The 1947 - Present Chevrolet & GMC Truck Message Board Network

cheap · 07-18-2015, 10:31 PM

To start:
I have a 1977 Chevrolet C10 with a 250 and a monojet carburetor.
Basically, i have to constantly bump up the idle with the idle adjustment screw because it will slowly drop idle speed over time until it dies every time i put in the clutch. I've adjusted the idle mixture screw and the idle speed adjustment and dialed it in, but everytime after 20-30 minutes of driving my idle speed will drop. any suggestions?
thanks

07-18-2015, 10:31 PM	#1
cheap Registered User Join Date: Jul 2015 Location: earth Posts: 99	carb problems To start: I have a 1977 Chevrolet C10 with a 250 and a monojet carburetor. Basically, i have to constantly bump up the idle with the idle adjustment screw because it will slowly drop idle speed over time until it dies every time i put in the clutch. I've adjusted the idle mixture screw and the idle speed adjustment and dialed it in, but everytime after 20-30 minutes of driving my idle speed will drop. any suggestions? thanks



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