1969 Stage 1 7029246 original jet, rod sizes?

Discussion in 'The Venerable Q-Jet' started by schwemf, Jun 30, 2019.

  1. schwemf

    schwemf Mike Schweitzer

    Does anyone know the original jet, primary metering rod, and secondary metering rod sizes for the 1969 Stage 1 carburetor (7029246)? My 1969 Shop manual doesn't list these details for this specific carburetor.

    Thank you!
    -mike
     
  2. Stevem

    Stevem Well-Known Member

    It's hard info to turn up, but if the motor is rebuilt stock and without headers then for primary Jets & Rods I would start off with 76 and 47.
     
  3. techg8

    techg8 The BS GS

    I am working on an original 7029246 right now.

    It has 70 jets 45 rods and AY secondary rods
     
    schwemf likes this.
  4. schwemf

    schwemf Mike Schweitzer

    Thank you Ken for your post. So all the 1969 400 cid carbs contained the same jets and rods, whether they were manual or automatic or Stage 1 or not. This also concurs with Lars Grimsrud's chart in his "Q Jet Tuning" paper.

    Here's the listing from my 1969 Service manual. IMG_20190702_141512695.jpg
     

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