Quadrajet Problem Solving > Quadrajet Parts and Numbers

Metering Rod and Jet Combos

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Ethan1:
 Hey Guys,

 I know a lot of people have asked what my secret is, well here it is.

 Look up the part number for the jet (jets are always decoded using the last two digits of the part number), metering rods and metering holder (which is always 7034512 "K") and decode them using these pages:

 http://www.oldengine.org/unfaq/leadfoot/qrodpri.htm for Primary Metering Rods
 
 http://www.hioutput.com/tech/qjetrod.html for Secondary Metering Rods

 Let me know if you need any help!

 FWIW, this only works from 1967-1980.

 Ethan
 

Ethan1:
 Part numbers can be found in the big AC Delco books or at:

 http://newagemetal.com/

Ethan1:
 Adding a website with part numbers for the earlier primary metering rods as well:

 http://www.gmcmi.com/wp-content/uploads/2014/05/Quadrajet-Carb-Primary-Metering-Rods.pdf

  8)

Ethan1:
Part number 17111346 was used on several of the mid-80's Q-Jets.

Here is the items in that kit:

.075" Primary Jets
61S Primary Metering Rods
EF Secondary Metering Rods

HTH, Ethan!

Ethan1:
 Here is another kit 17067147:

 .072" Primary Jets
 51M Primary Metering Rods
 DR Secondary Metering Rods
 33797 Secondary Hanger

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