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#1
03-15-2015, 06:06 AM
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Trans AM Olds 403 350 vacuum intake pic wanted
Who has an 1977-1979 California 403 or 350 olds in Firebird / TA and can make me some pics from the intake with the vacuum hoses and how it`s connect ...
Especially the rear carb and intake vacuum ... Thx a lot ... i run crazy with ...engine runs great at cold idle but fails if goes into hot idle .. I replaced the EGR and replaced all vacuum hoses and the TVS .. ilike to go with the California emission system because it runs great before i work at it but it was connected in an complete different way as it shoud be and some TVS connector were broke but runs ... I`m thxful for every pic !!! Bjoern Germany here`s an pic of mine ..is this correct ? For what is the intake vacuum behind the carb ..i pluged it ..thats my mistake ?
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1965 Bonneville 2 door coupe nightwatch blue AZ car 1965 Bonneville convertible starlight black 1966 Star Chief Coupé 1965 canandian Parisienne custome sport convertible AZ car. „Sold“ 1977 california Firebird Esprit [/SIZE][/FONT]  
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#2
03-15-2015, 08:33 AM
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This may be helpful.
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#3
03-15-2015, 12:10 PM
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Thx , yes i know that diagramm and i have the correct for the 77 cars from California but the rear vacuum port from intake is not shown like at my pic red marked ..
What you connect at your cars to the red vacuum ports i from rear of carb and intake pluged with an screw ? (See my first pic at beginning of the thread? The "TACS" is at the air cleaner Thx a lot !!! Bjoern
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1965 Bonneville 2 door coupe nightwatch blue AZ car 1965 Bonneville convertible starlight black 1966 Star Chief Coupé 1965 canandian Parisienne custome sport convertible AZ car. „Sold“ 1977 california Firebird Esprit [/SIZE][/FONT]
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#4
03-16-2015, 08:45 AM
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Your rear vacuum port shouldnt be on the diagrams, it goes to to heater controls with check valve. Do you have an original olds q-jet with correct ports?
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#5
03-16-2015, 08:54 AM
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Yes, that's all original .. Quadrajet, 350 olds intake .. AC car ..
You could be right .. From the air cleaner TVS to rear of carb goes a T hose connector and went into the firewall a plastic tube .. I will check !! Thx
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1965 Bonneville 2 door coupe nightwatch blue AZ car 1965 Bonneville convertible starlight black 1966 Star Chief Coupé 1965 canandian Parisienne custome sport convertible AZ car. „Sold“ 1977 california Firebird Esprit [/SIZE][/FONT]
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#6
03-16-2015, 08:58 AM
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I couldn't open pic close enough to make out where lines went, on phone at work.
For your '77 350 olds the carb should be either 17057253 or 17057553. Equivalent in 78 or 79 are also 'the same'. |
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#7
03-16-2015, 09:18 AM
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Carb : 17057553
0807 ARC
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1965 Bonneville 2 door coupe nightwatch blue AZ car 1965 Bonneville convertible starlight black 1966 Star Chief Coupé 1965 canandian Parisienne custome sport convertible AZ car. „Sold“ 1977 california Firebird Esprit [/SIZE][/FONT]
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#8
03-16-2015, 09:26 AM
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Always a good start to have correct carb when troubleshooting diagrams, good to go!
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#9
03-20-2015, 11:01 AM
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How about that : the rear intake vacuum Port is for the AC Heater vacuum Plastik Hose which goes into the firewall ??? Could it be possible?
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1965 Bonneville 2 door coupe nightwatch blue AZ car 1965 Bonneville convertible starlight black 1966 Star Chief Coupé 1965 canandian Parisienne custome sport convertible AZ car. „Sold“ 1977 california Firebird Esprit [/SIZE][/FONT]
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#10
03-20-2015, 11:07 AM
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Here's a pic
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1965 Bonneville 2 door coupe nightwatch blue AZ car 1965 Bonneville convertible starlight black 1966 Star Chief Coupé 1965 canandian Parisienne custome sport convertible AZ car. „Sold“ 1977 california Firebird Esprit [/SIZE][/FONT]
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#11
03-20-2015, 05:29 PM
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Looks good, yes it goes into a small plastic vacuum tube the same as the AC/heater controls.
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