The Venerable Q-Jet

Rochester and Edelbrock Q-jet tech.

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  1. HotRodRivi

    Qjet atomization

    HotRodRivi, Oct 19, 2015 ... 2
    Replies:
    33
    Views:
    4,661
    HotRodRivi
    Aug 8, 2016
  2. rmstg2

    Electric pump recommendations?

    rmstg2, Jun 12, 2011 ... 2
    Replies:
    23
    Views:
    4,610
    copperheadgs1
    Jun 15, 2011
  3. racerxjj67

    Carburetor gasket: 4 hole or open?

    racerxjj67, May 17, 2012
    Replies:
    8
    Views:
    4,528
    Cliff R
    May 18, 2012
  4. weinh

    Fuel leak at inlet fitting - how to seal properly?

    weinh, Oct 14, 2019 ... 2
    Replies:
    28
    Views:
    4,527
    HotRodRivi
    Apr 12, 2020
  5. canuck buick

    how far do you have your idle screws backed out

    canuck buick, Jun 4, 2012 ... 2
    Replies:
    39
    Views:
    4,471
    sean Buick 76
    Jul 11, 2012
  6. johnriv67

    Cliff Ruggles' Quadrajet electric choke issues

    johnriv67, Feb 16, 2020 ... 2
    Replies:
    21
    Views:
    4,434
    HotRodRivi
    Apr 12, 2020
  7. Tim

    I have a Perfomer intake iwth 1" spacer and Quadrajet, need choke info

    Tim, Apr 29, 2013
    Replies:
    8
    Views:
    4,406
    Gary Farmer
    May 1, 2013
  8. eagleguy

    Going rate for rebuilt 4 bbl q-jet

    eagleguy, Nov 17, 2010 ... 2
    Replies:
    27
    Views:
    4,374
    eagleguy
    Dec 12, 2010
  9. 71ConvtSkylark

    Anyone have a chart for Primary Metering Rods and Jet combos

    71ConvtSkylark, Nov 2, 2010
    Replies:
    14
    Views:
    4,363
    Cliff R
    Nov 5, 2010
  10. Gary Bohannon

    Q-jet's worst flaw-ignored?

    Gary Bohannon, Jul 14, 2016 ... 2
    Replies:
    20
    Views:
    4,356
    Gary Bohannon
    Aug 8, 2016
  11. Twolanewildcat

    leaking accelerator pump

    Twolanewildcat, Jul 12, 2009
    Replies:
    4
    Views:
    4,342
    Cliff R
    Jul 15, 2009
  12. white72gs455

    Slow to start after sitting

    white72gs455, Oct 12, 2009 ... 2
    Replies:
    21
    Views:
    4,268
    Cliff R
    Oct 21, 2009
  13. knucklebusted

    Rebuild a Q-Jet, Best Kit?

    knucklebusted, Aug 9, 2015 ... 2
    Replies:
    30
    Views:
    4,263
    knucklebusted
    Nov 5, 2015
  14. matt68gs400

    Secondary metering rod

    matt68gs400, Jun 24, 2016 ... 2
    Replies:
    21
    Views:
    4,197
    HotRodRivi
    Jul 2, 2016
  15. Timonator

    What should fuel pressure do during acceleration?

    Timonator, Aug 11, 2012
    Replies:
    5
    Views:
    4,195
    Cliff R
    Sep 15, 2012
  16. section8mainiac

    Q-jet tuning help

    section8mainiac, Jun 25, 2016 ... 2
    Replies:
    32
    Views:
    4,128
    section8mainiac
    Jul 17, 2016
  17. Steve888

    Questions on 70 Stage 1 Quadrajet

    Steve888, Jan 4, 2017 ... 2
    Replies:
    22
    Views:
    4,115
    HotRodRivi
    Feb 11, 2017
  18. Gary Bohannon

    2 Ruggles recipe projects- 1 big problem

    Gary Bohannon, Apr 18, 2008
    Replies:
    17
    Views:
    4,114
    RAbarrett
    Jun 23, 2010
  19. cstanley-gs

    So I took the plunge and rebuilt my carb.. no better.. Bail me out here...

    cstanley-gs, Sep 21, 2011 ... 2
    Replies:
    30
    Views:
    4,068
    cstanley-gs
    Oct 14, 2011
  20. shiftbyear

    15% Ethanol

    shiftbyear, Oct 14, 2010 ... 2
    Replies:
    21
    Views:
    4,067
    71stagegs
    Oct 15, 2010
  21. jamyers

    Choke Coil for '71 350

    jamyers, Jan 24, 2004 ... 2
    Replies:
    20
    Views:
    4,005
    David Gramlow
    Mar 21, 2004
  22. 70sgeek

    falling flat under acceleration

    70sgeek, Nov 27, 2009
    Replies:
    18
    Views:
    3,995
    RAbarrett
    Dec 7, 2009
  23. Jasper

    Throttle shaft play on a quadrajet

    Jasper, Sep 19, 2015
    Replies:
    9
    Views:
    3,964
    HotRodRivi
    Oct 4, 2015
  24. 6671

    Was there ever an 850cfm Q-jet produced

    6671, Jul 4, 2015
    Replies:
    9
    Views:
    3,942
    techg8
    Aug 3, 2015
  25. Deacon07

    Bogs down when I give it the business...

    Deacon07, Mar 17, 2013 ... 2
    Replies:
    27
    Views:
    3,911
    Deacon07
    Apr 11, 2013
  26. sean Buick 76

    Can a 800 CFM Q jet support 560 ft of TQ

    sean Buick 76, Dec 20, 2012
    Replies:
    19
    Views:
    3,854
    snake
    Feb 17, 2015
  27. brmorr

    Qjet throttle cable??

    brmorr, Mar 7, 2008 ... 2
    Replies:
    22
    Views:
    3,850
    copperheadgs1
    Mar 9, 2008
  28. Tonino

    Surging at idle and low speed

    Tonino, Dec 24, 2014
    Replies:
    15
    Views:
    3,837
    Ken 68 Riv GS
    Jul 8, 2023
  29. silly

    installed a new qjet and engine was racing

    silly, Mar 8, 2011
    Replies:
    13
    Views:
    3,822
    silly
    Mar 30, 2011
  30. eagleguy

    Carb selection for 350 with 284 cam

    eagleguy, Nov 22, 2012 ... 2
    Replies:
    36
    Views:
    3,812
    GS Jim
    Jan 22, 2013
  31. graycode

    off-idle stumble has me stumped

    graycode, May 30, 2016
    Replies:
    12
    Views:
    3,805
    HotRodRivi
    Jul 2, 2016
  32. 68Rivi_In_Cali

    Carb Spacer? Myth?

    68Rivi_In_Cali, Apr 28, 2010
    Replies:
    9
    Views:
    3,721
    Dan Gerber
    May 7, 2010
  33. DeeVeeEight

    Gas vapor canister line routing?

    DeeVeeEight, Jun 12, 2011
    Replies:
    12
    Views:
    3,718
    caliskylark
    Jul 19, 2013
  34. CJay

    Best method to remove APT screw in baseplate?

    CJay, Apr 5, 2022 ... 2 3
    Replies:
    55
    Views:
    3,712
    CJay
    Oct 17, 2022
  35. rkammer

    Quadrajet gasket - decisions, decisions

    rkammer, Sep 12, 2015
    Replies:
    11
    Views:
    3,701
    Cliff R
    Sep 17, 2015
  36. Zermal

    Rochester 4GC

    Zermal, Aug 25, 2006
    Replies:
    2
    Views:
    3,688
    Zermal
    Aug 30, 2006
  37. bocoogto

    Need "AU" Secondary Metering Rods

    bocoogto, Mar 23, 2011
    Replies:
    16
    Views:
    3,676
    Jim Jones
    Apr 21, 2011
  38. garth stuart

    Modifications from Doug Roe's book

    garth stuart, Feb 6, 2007
    Replies:
    7
    Views:
    3,642
    beaker
    Mar 11, 2007
  39. Stubbe

    70/71 choke thermostat assembly

    Stubbe, Jan 2, 2012
    Replies:
    14
    Views:
    3,606
    steve covington
    Jun 8, 2017
  40. Kirk

    What is the 'vapor vent passage' for?

    Kirk, Oct 14, 2005
    Replies:
    7
    Views:
    3,584
    Kirk
    Oct 18, 2005
  41. Stage1 Jeff

    stupid question

    Stage1 Jeff, Jan 1, 2005 ... 2 3
    Replies:
    54
    Views:
    3,575
    Stage1 Jeff
    Jan 7, 2005
  42. green71stage1

    Where is the carburetor idle adjustment screw on the Rochester ?

    green71stage1, Jul 18, 2020 ... 2
    Replies:
    35
    Views:
    3,545
    1968_GS400
    Feb 12, 2023
  43. sbbuick

    Electric Choke Conversion Kit

    sbbuick, Mar 3, 2006
    Replies:
    11
    Views:
    3,520
    knucklebusted
    Jun 14, 2013
  44. garybuick

    Accelerator pump question

    garybuick, Jan 8, 2010
    Replies:
    10
    Views:
    3,502
    Cliff R
    Jan 13, 2010
  45. staged67gspwr

    Flat spot or bog???

    staged67gspwr, Aug 25, 2004 ... 2 3
    Replies:
    44
    Views:
    3,493
    staged67gspwr
    Jan 12, 2005
  46. Oldskewl59

    Whats the difference Stage one Qjet vs 455 Qjet

    Oldskewl59, Jul 11, 2012
    Replies:
    11
    Views:
    3,492
    HotRodRivi
    Jan 6, 2014
  47. geeweezie

    fuel problem

    geeweezie, Jun 23, 2011 ... 2
    Replies:
    26
    Views:
    3,455
    RAbarrett
    Sep 3, 2011
  48. Finallygot1

    7033744 vs. 7041540 carb

    Finallygot1, Jul 6, 2008
    Replies:
    10
    Views:
    3,439
    Cliff R
    Mar 23, 2011
  49. 73BuickGS455

    Drilling Necessary for Q-Jet Rebuild?

    73BuickGS455, Dec 12, 2010
    Replies:
    17
    Views:
    3,390
    73BuickGS455
    Oct 18, 2011
  50. dennisL

    Q-Jet too rich and leaking fuel

    dennisL, Aug 31, 2014
    Replies:
    12
    Views:
    3,365
    Pinder
    Sep 7, 2014
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