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Author Topic: Wanted 79 Pontiac 400 4-speed carb  (Read 5460 times)

Offline 4speed

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Wanted 79 Pontiac 400 4-speed carb
« on: January 17, 2011, 11:05:04 PM »
Wanted 79 Pontiac 400 4-speed carb.   I have a 73 800 cfm Q-jet on it now , but the choke tubes are backwards.
I did mod the lines to make it work , but thought correct would be better.

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Offline Cliff Ruggles

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Re: Wanted 79 Pontiac 400 4-speed carb
« Reply #1 on: January 18, 2011, 03:44:56 AM »
Make sure to connect a rubber hose from the choke air supply to the back of the airhorn.  If not, unfiltered air is entering the engine.

I don't have any 79 4 speed carbs left, but plenty of 76-78 Pontiac carbs in the core pile.....Cliff
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Offline 4speed

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Re: Wanted 79 Pontiac 400 4-speed carb
« Reply #2 on: January 18, 2011, 05:40:47 AM »
thanks for the heads up Cliff.

in 78-9 the carb # was the same (  17058263 1978 4 400 M FB  )

also will take  (  17057263 1977 4 400 M FB  ) 

other carbs on my find list

17057266 1977 4 400 A FB
17058266 1978 4 400 A FB 

17058263 1979 4 400 M FB
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Offline Cliff Ruggles

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Re: Wanted 79 Pontiac 400 4-speed carb
« Reply #3 on: January 19, 2011, 05:36:30 AM »
I have a couple of 4 speed 76-78 carbs in the core pile someplace.  I've sold a few in recent years, pretty sure I have at least 2 left.....Cliff
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Offline pggto

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Re: Wanted 79 Pontiac 400 4-speed carb
« Reply #4 on: March 15, 2011, 11:43:17 AM »
I may have a carb for you if it doesn't work for my application. Look in the carb talk area for my post with the carb info. I don't need this specific carb just looking for a good 800 CFM core. Not sure how this will work with the large vent tube for air cleaner clearance.
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