1955 Cadillac WCFB By-Pass Idle Air Circuit Updated on 12/08/2020 Was this article helpful? Yes No Related Articles WCFB Troubleshooting Page 2 Carter WCFB Rebuild Kit Selection Carter WCFB Build Sheets Carter WCFB Adjustments Carter WCFB Specifications Carter WCFB 4 Barrel Carburetor Float System Need Support?Can't find the answer you're looking for?Contact Support