AFB, AVS Carburetor Rebuild Watch these series of videos for tips on rebuilding your AFB, 4 barrel carburetor. Carter AFB Carburetor Rebuild Watch these series of videos for tips on rebuilding your AFB, 4 barrel carburetor. Share on Facebook Tweet Follow us Share Share Share Share Share Updated on 12/04/2020 Was this article helpful? Yes No Related Articles Carter AFB Build Sheets Carter AFB Troubleshooting AFB & AVS Mounting Gasket Carter AFB & AVS Secondary Carter AFB Choke Circuit AFB Adjusting Idle Mixture