Originally posted by 83_Camaro-350
I need a diagram on a holley quadra-jet showing what each vacum is for. And where things hook up.
Here's a link to Holley's tech page for the 4165/4175 carburetor, which was Holley's replacement unit for the Quadrajet.

http://www.holley.com/HiOctn/TechSer...o/4165-75.html

Hope this helps.

Dan J