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Old 03-26-2021, 02:16 PM
tjs44 tjs44 is offline
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Interesting there is no hose going to the hollow carb mounting stud on the pass side front of the rear carb.Just has a rubber cap on it?Tom
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Old 03-27-2021, 02:14 AM
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Interesting there is no hose going to the hollow carb mounting stud on the pass side front of the rear carb.Just has a rubber cap on it?Tom
tjs44,

The test car and my car have the flat top cap on the hollow stud as these cars do not have air condition.

Air condition cars with Tri-Power pulled their vacuum source from that hollow stud on either the rear carb or center carb as shown in the illustrations.

Thanks, Chris.
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Old 03-11-2024, 08:41 PM
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Interesting there is no hose going to the hollow carb mounting stud on the pass side front of the rear carb.Just has a rubber cap on it?Tom
Follow-up on tjs44 above question.

This 1966 GTO sold through Hemmings about 9 months ago and offers a good photo of the air condition vacuum hose coming off the hollow carb mounting stud.
You can still see the end of hose marked with dark blue paint just as the shop manual illustration shows.
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1965 GTO Unrestored Survivor 389 / 335 4 BBL.
1966 GTO Unrestored Survivor 389 / 360 Tri-Power
Early (63-66) Schwinn Stingrays, all Unrestored Survivors
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