Quadrajet Problem Solving > Quadrajet Parts and Numbers

Factory jets and rods

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MG60:
Hi Ethan , could you please tell me the original internal specs (jets , hanger and rods) for this carby ;   7042270 .

Ethan1:

--- Quote from: MG60 on August 05, 2015, 08:19:17 AM ---Hi Ethan , could you please tell me the original internal specs (jets , hanger and rods) for this carby ;   7042270 .

--- End quote ---

 Stocks specs were .071" Primary Jets, 45 Primary Metering Rods, "K" Secondary Hanger and CR Secondary Metering Rods.

 Welcome to CHP, by the way! :)

MG60:
Thanks very much Ethan1 , you are correct . Do you get your information from a book ?  If so can I buy a copy ?  Are there any changes you would make (normal street driving) to this (7042270) carby to run on modern fuel ?
Thanks , Tim . (Australia)

Also thanks to Cliff for introducing me to this site .

MG60:
Can I have the internal original specs for these carbs please ;
7041270
7043270
7042240
7043240
7043262
7043266

Thanks , Tim .

Ethan1:

--- Quote from: MG60 on August 06, 2015, 04:05:07 AM ---Can I have the internal original specs for these carbs please ;
7041270
7043270
7042240
7043240
7043262
7043266

Thanks , Tim .

--- End quote ---

7041270- .074" Primary Jets, 43 Primary Metering Rods, "K" Secondary Hanger and BP Secondary Metering Rods.
7043270- .076" Primary Jets, 41 Primary Metering Rods, "K" Secondary Hanger and BV Secondary Metering Rods.
7042240- .073" Primary Jets, 48B Primary Metering Rods, "K" Secondary Hanger and CT Secondary Metering Rods.
7043240- .073" Primary Jets, 44B Primary Metering Rods, "K" Secondary Hanger and CT Secondary Metering Rods.
7043262- .071" Primary Jets, 41 Primary Metering Rods, "K" Secondary Hanger and CR Secondary Metering Rods.
7043266- .072" Primary Jets, 47C Primary Metering Rods, "K" Secondary Hanger and DB Secondary Metering Rods.

Keep in mind, there were variations. Not all had the same specs. Just the way it was back then. :)

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