Having problems with your 1985 Chevrolet Chevy ?

Vaccume line rounting

\015 Need to know what to plug and what to run on a 85 chevy 4 barrel quad jet. ( vaccume lines. i know that the distrib, works of the intake what about the rest\015 Posted / edited by AnonymousUser on : 13-08-2018

Answers :

Dist should go to rear of carb base but can also go to intake. large fitting at rear goes to brake booster. There should also be another large one for pcv valve.There other ports that supply vacuum to accessories options. Some ports on that carb are above throttle plate and only give vacuum at times when throttle is open. anything that needs full time supply should not be connected there.Block off all unused ports.
Repair Help & Product Troubleshooting for 1985 Chevrolet Chevy

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