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Username Post: Vacuum Advance- how is it supposed to work?
Mr. Sinister 
Contributor
Posts: 555
Mr. Sinister
Age: 40
Loc: Fair Hill, MD
Reg: 05-18-09
04-06-10 08:21 AM - Post#1893796    
    In response to Mr. Sinister

also, it depends on how old you're talking, my dad's 59 vette is 100% original and has a hollow carb stud that the vacuum line for the advance hooks up to, to draw full manifold vacuum. from my understanding, this was pretty common. in all my reading, ported vacuum became commonplace on emissions era cars.
Bill -
55 Chevy 210 2 Door Sedan Hot Rod
http://imgur.com/a/CfOc6
68 Caddy Coupe DeVille Kustom
http://imgur.com/a/m7gdR

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