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Old 09-17-2004, 08:55 PM   #1
76bonanza
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Holly4160

does the 4160 have any vac ports in the rear???

Thanks
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1968 c10
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355/Th400 built by Hatfield racing in joplin MO
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Old 09-17-2004, 09:02 PM   #2
RockHQ
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Yes, on the throttle body assembly is a 3/8 or 11/32 hose nipple. Manifold vacuum that is.
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1979 C-10 shortfleet: Olds 350, Th400, 12 bolt
Current project: 1969 Olds 455 W-30, needing a rebuild
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Old 09-17-2004, 09:11 PM   #3
76bonanza
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Really I guess I will have to wait till I pull it I have felt around on the back but feel nothing? I have a pcv on pass side and one prted and one full vac on front.
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1968 c10
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Old 09-17-2004, 09:52 PM   #4
RockHQ
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Wife's Dodge has a 4160 (1850-3 to be exact) and i rebuilt the carb approx. two weeks ago. Did a very complete rebuild on it yet can't remember anymore how each part looked. Shows how bad my memory is nowadays, it amazes me. Perhaps it was so that there are no vac ports in the rear, but a smaller (1/4"?) angled one on the front aswell as a bigger 3/8" straight one on the front.
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What did i do last nite?
I had a wonderful time,
That's what they tell me
What did i do last nite?

1979 C-10 shortfleet: Olds 350, Th400, 12 bolt
Current project: 1969 Olds 455 W-30, needing a rebuild
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Old 09-17-2004, 10:21 PM   #5
76bonanza
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That sounds more like mine.
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1968 c10
lowered 3" 4"
355/Th400 built by Hatfield racing in joplin MO
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