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92
Quadrajet Carb Talk and Tips / What are these seals for?
« Last post by sploke on May 09, 2020, 03:03:15 PM »
What are these for?  They look like three rubber scraper ring type seals and a nylon shaft bushing, but not sure what their purpose is.  I'm guessing the bushing is for the air valve shaft on the secondaries, but not sure about the rubber seals.
93
Quadrajet Carb Talk and Tips / Re: ID my carb
« Last post by lew1967 on May 09, 2020, 12:14:07 PM »
Kenth, Thank you so much for the information!!! I could not find any thing on it.
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Quadrajet Carb Talk and Tips / Re: ID my carb
« Last post by Kenth on May 09, 2020, 11:07:32 AM »

In may 1969 date code was added to the same line and 70 eliminated from model number so all type would fit one line.
Date code on your carb is 156:th day of 1969 and application number (70)26260 making it a service replacement unit for 1966 Tempest OHV-6 230 cui engine W/AT.
If you are not running the A.I.R. system you may want to replace the #49 primary rods for a set of #44-#42.
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Quadrajet Carb Talk and Tips / Re: ID my carb
« Last post by Kenth on May 09, 2020, 11:03:11 AM »
In may 1969 date code was added to the same line and 70 eliminated from model number so all type would fit one line.
Date code on your carb is 156:th day of 1969 and application number (70)26260 making it a service replacement unit for 1966 Tempest OHV-6 230 cui engine W/AT.
If you
96
Quadrajet Carb Talk and Tips / Re: Edelbrock 1904 QuadraJet Rebuild and tuning
« Last post by 86chevk20 on May 09, 2020, 09:13:01 AM »
Cliff,
   Got my 1904 rebuilt and on the truck. Overall I am very happy with it. Got it dialed in pretty good. I dialed the idle mixture in with a vacuum gauge. I ended up having to take the APT in to about 1.5 up from seated to get rid of a off idle stumble.  Right now idle is great, normal driving around town and highway cruising is good as well but where the carb seems to be struggling is if I am cruising at about 1/4-1/2 throttle (2k-3k rpm) and then pound down on it.  It cuts out (almost like a cough) for a split second, comes back, stumbles very lightly until the secondaries start to open then it takes off.  This only happens if I pound on it quickly. If I feather it to WOT it does not stumble or cut out at all....
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Quadrajet Carb Talk and Tips / Re: ID my carb
« Last post by lew1967 on May 09, 2020, 06:52:16 AM »
Hi Cliff, First thanks for responding. I will try to post some pictures for the carb. I can handle taking the pictures, but I don't know about posting them. I'm not very computer savy. It looks like an older style with a divorce style choke and no Idle solenoid. It's on a 1967 firebird with a OHC 6 cylinder that was converted to a 4 barrel. Anyway I will try my best to post and thanks again.
98
Quench needs to be tight, especially in a Pontiac build with iron heads.  I would NOT build one with more than .040" quench distance for any reason........FWIW....
99
Quadrajet Carb Talk and Tips / Re: ID my carb
« Last post by Cliff Ruggles on May 08, 2020, 04:40:35 PM »
Can you post some pics of the carb.  I can smell the pics and tell you what it is!.....
100
Quadrajet Carb Talk and Tips / ID my carb
« Last post by lew1967 on May 08, 2020, 04:47:23 AM »
My quadrojet Has a ID that I can't find anywhere. The numbers are 26260A1569. Thanks for any help.
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