All Quadrajets have main air bleeds. These may need to be sized or replaced to correctly calibrate the quadrajet for the engine it is being installed on.
We can help you determine proper sizes and supply all the parts you need.
www.quadrajetpower.com
Main air bleeds.
https://quadrajetpower.com/bleed-rest...
Pick tool
https://quadrajetpower.com/pick-tool-...
Recalibration kit.
https://quadrajetpower.com/qb3-ez-rec...