Vacuum Advance for 68 Firebird - Firebird Classifieds & Forums (1967, 1968, and 1969)

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#170030 - 07/02/09 09:08 PM Vacuum Advance for 68 Firebird
ocfa Member Registered: 03/23/09 Posts: 3 Loc: California	I have the correctly dated and numbered Distributor for my 68 firebird. What I am not sure of is the vacuum advance module. I have a 400 convertable with an automatic transmission. Question is does the vacuum advance have one port or two? Mark
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#170031 - 07/02/09 09:30 PM Re: Vacuum Advance for 68 Firebird [Re: ocfa]
Yellowbird Power Member Registered: 03/26/04 Posts: 10607 Loc: Michigan	Two, if early '68. One if later. See the service bulletins on this site for the date that the service bulletin was issued that discontinued use of the the vacuum retard port. The distributor is also dated, and should be dated between the block casting and the build date. _________________________ Vikki 1969 Goldenrod Yellow / black 400 convertible numbers matching Yellowbird 1968 Meridian Turquoise / Dark Turquoise 400 4 speed convertible - For Dad http://thefirstgensite.com
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