Nov 25, 2018 · Mixture control solenoids are adjusted using the six-cylinder scale of a dwell meter; or a meter that reads duty cycle. Carb overhauls are not impossible, but they are more complex--all the issues of a Q-jet plus all the issues of CCC. GET THE SERVICE MANUAL and get access to a scan tool for this vehicle.

Sep 28, 2020 · RESOURCE - GM CCC service videos. Found these professional CCC service training videos posted on Youtube. They explain the basics of the CCC ( 3C ) system and how to service it.

Apr 7, 2017 · The GM Command Control Carburetor (CCC) uses an ECM to control a Mixture Control Solenoid (MCS) that operates a paddle with two small spring-loaded metering rods, cycling at 10 Hertz, duty cycle fixed.

Aug 29, 2010 · It's the government standards and requirements for emissions and fleet average mpg that forced the invention of the CCC. In fact the C4 too. C4 was even before CCC. C4 was Computer Controlled Catalytic Converter. This is why AIR came about, aka Smog Pump when it actually Injects Air into the engine instead of pumps it out.

Jan 2, 2015 · Its a pretty comprehensive guide for working on GM CCC engines. CCC was GM's marketing brand name for their early computerized systems to control fuel mixture, spark advance, and emissions controls in their cars.

Jan 26, 2010 · You won't beat the mileage of a CCC Q-jet with any other 4bbl carb - it's on par with TPI. Driveability is better as the fuel mixture is automatically adjusted as required rather than a happy median mixture.

Jul 28, 2011 · In 1981 the first year of the CCC carb they still used the vacuum advance distributor since the computer only controlled the idle air mixture on the Carb. In 1982 they went to the computer controlled timing and eliminated the vacuum advance.

Jun 29, 2021 · CCC aka Computer Controlled Carburetor was the last attempt to make a carburetor emissions friendly . If you’re trying to keep the system working properly then Camshaft will probably be the limiting factor and you won’t be …

Apr 2, 2017 · The 1981 CCC system controls the air/fuel mixture ONLY. See the article by doing a search on "GM Introduces CCC - GM Heritage Center" and look at the PDF file that shows up in the results. (I can't post the link)

May 7, 2023 · Ever wonder what the computer actually controls (or doesn't control) on your 1980's or 90's GM car or truck? In this video, I'll break it all down for you. C...