× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: 65 TBird 390 is vac advance ported or manifold
Posted to Technical Discussion Forum on 9/5/2019 1 Reply

Hi David,

With the distributor cap off, look at the breaker plate and the vacuum advance rod. If the rod pulls the plate in the opposite direction of normal shaft rotation, then you want to use the ported advance connection. This means that increasing vacuum... Login to read more.

1 Replies Received (View Replies)