Quote Originally Posted by 66black289
hi i have a chevy 350 in my 72 chevelle engine has been overhauled but the idle is too high like around 2000 to 3000. it has a 600 cfm edelbrock carb but when i adjust the idle screw down the engine shuts off. cant get to idle correctly.
First look for any hoses that are off and then spray the old "break clean" around the carb.
If the rpm's go up you found the leak.
It sounds to me like you might have a timing issue also.