Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
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Your local auto parts store will have vacuum port caps in different sizes.
Use the cap and plug to hole on the Carb and Vacuum ports on the intake.
You will have to keep the PVC Hose connected, Brake Booster Hose connected and the vacuum line the goes to the distributor you will need to hook it directly to the Carb at port H.