I left the mixture and idle speed screws alone when I pulled the carb off the 1st time. This time I will pull both and clean good again. What are the factory settings for the 2 screws? Also...what should my engine be reading on the vacuum guage at idle? How many inches?

Last edited by jon1963; 12/09/2011 2:33 PM.

http://s971.photobucket.com/albums/ae197/jon63c10
1963 c-10 shortbed stepside 427 BBC T16 HD 3 speed
1963 c-10 shortbed fleetside 348 "w" 1st gen big block & powerglide