The Venerable Q-Jet

Rochester and Edelbrock Q-jet tech.

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  1. James Leonard
    Sticky

    Rochester Date Code

    James Leonard, Jul 27, 2022
    Replies:
    16
    Views:
    981
    Smitty455
    Jan 29, 2023
  2. 69GS400s
    Sticky

    Rochester Carb ID - THE DEFINITIVE GUIDE !!!

    69GS400s, Feb 1, 2007
    Replies:
    13
    Views:
    14,889
    67melrob
    Jan 10, 2023
  3. Taulbee2277

    Will not idle correct or stay running

    Taulbee2277, Nov 7, 2011 ... 2 3 4
    Replies:
    64
    Views:
    7,869
    lemmy-67
    Nov 14, 2011
  4. CJay

    Q-Jet part throttle lean condition

    CJay, Sep 24, 2017 ... 2 3 4
    Replies:
    62
    Views:
    7,095
    CJay
    Nov 2, 2018
  5. CadillacMatt

    New here, need some help!

    CadillacMatt, Jan 28, 2010 ... 2 3 4
    Replies:
    61
    Views:
    6,938
    RAbarrett
    Mar 12, 2010
  6. lemmy-67

    Q-Jet Quartet

    lemmy-67, Jan 17, 2012 ... 2 3
    Replies:
    58
    Views:
    13,644
    Cliff R
    Dec 22, 2012
  7. srb

    Standard starting procedure / choke setting Q-jet

    srb, Jan 24, 2022 ... 2 3
    Replies:
    57
    Views:
    3,204
    srb
    Oct 12, 2022
  8. CJay

    Best method to remove APT screw in baseplate?

    CJay, Apr 5, 2022 ... 2 3
    Replies:
    55
    Views:
    3,776
    CJay
    Oct 17, 2022
  9. Daves 71 GS

    600 HP with Q-Jet

    Daves 71 GS, Dec 28, 2019 ... 2 3
    Replies:
    54
    Views:
    6,527
    BennyK81
    Nov 5, 2022
  10. carmantx

    Quadrajets, found a few. Stickers

    carmantx, Sep 9, 2018 ... 2 3
    Replies:
    54
    Views:
    5,479
    Mike Trom
    Feb 13, 2022
  11. Stage1 Jeff

    stupid question

    Stage1 Jeff, Jan 1, 2005 ... 2 3
    Replies:
    54
    Views:
    3,577
    Stage1 Jeff
    Jan 7, 2005
  12. Mark Demko

    Q-Jet secondary adjustment

    Mark Demko, Jun 25, 2021 ... 2 3
    Replies:
    53
    Views:
    2,531
    LEgendVI
    Aug 8, 2021
  13. Briz

    Sucking it dry?

    Briz, Nov 8, 2015 ... 2 3
    Replies:
    53
    Views:
    8,334
    Briz
    Mar 15, 2016
  14. Free Riviera

    Carb Mods for a TA284 88H cam

    Free Riviera, Jan 29, 2008 ... 2 3
    Replies:
    52
    Views:
    4,895
    jamyers
    Sep 18, 2008
  15. hgiljr

    Carb issues

    hgiljr, May 24, 2020 ... 2 3
    Replies:
    49
    Views:
    2,483
    jeremy barnhart
    Sep 29, 2020
  16. 69WILD

    Bowl leaking?

    69WILD, Sep 6, 2022 ... 2 3
    Replies:
    48
    Views:
    1,729
    69WILD
    Dec 3, 2022
  17. Spitfire7

    Major gas leaks all over

    Spitfire7, Nov 1, 2016 ... 2 3
    Replies:
    45
    Views:
    6,068
    Spitfire7
    Mar 2, 2017
  18. ravensbud

    QJ major stumble at high RPM

    ravensbud, Sep 29, 2017 ... 2 3
    Replies:
    44
    Views:
    4,968
    ravensbud
    May 9, 2018
  19. staged67gspwr

    Flat spot or bog???

    staged67gspwr, Aug 25, 2004 ... 2 3
    Replies:
    44
    Views:
    3,497
    staged67gspwr
    Jan 12, 2005
  20. Steve Yager

    Quadrajet question

    Steve Yager, Apr 2, 2023 ... 2 3
    Replies:
    43
    Views:
    2,418
    Mark Demko
    Apr 24, 2023
  21. Bigpig455

    Q-Jet Secondary and off idle Sputtering

    Bigpig455, Feb 25, 2012 ... 2 3
    Replies:
    43
    Views:
    5,342
    6WildCat5
    Apr 23, 2012
  22. John Osborne

    John Osborne Performance

    John Osborne, Jan 21, 2008 ... 2 3
    Replies:
    43
    Views:
    8,745
    sean Buick 76
    Mar 28, 2008
  23. Lysander

    DIY throttle shaft bushing

    Lysander, Oct 1, 2008 ... 2 3
    Replies:
    41
    Views:
    18,091
    Cliff R
    Aug 17, 2010
  24. CCM

    7045483 cold start issues

    CCM, Dec 10, 2020 ... 2
    Replies:
    39
    Views:
    1,312
    CCM
    Dec 17, 2020
  25. Stagedcoach71

    TH350 kickdown cable - carb mounted question

    Stagedcoach71, Sep 3, 2014 ... 2
    Replies:
    39
    Views:
    9,810
    JJ
    Aug 1, 2016
  26. canuck buick

    how far do you have your idle screws backed out

    canuck buick, Jun 4, 2012 ... 2
    Replies:
    39
    Views:
    4,490
    sean Buick 76
    Jul 11, 2012
  27. 72RivGS

    At a wall with my Q-Jet

    72RivGS, Sep 30, 2009 ... 2
    Replies:
    39
    Views:
    2,791
    crankshaft
    Oct 31, 2009
  28. sean Buick 76

    900 CFM Q jets

    sean Buick 76, Mar 27, 2012 ... 2
    Replies:
    38
    Views:
    10,598
    Cliff R
    Nov 16, 2014
  29. Buick Riviera 7

    Quadrajet stalls at high speed

    Buick Riviera 7, May 17, 2018 ... 2
    Replies:
    37
    Views:
    3,215
    HotRodRivi
    Jun 1, 2018
  30. 70 GMuscle

    A few Quadra jet questions

    70 GMuscle, Apr 24, 2020 ... 2
    Replies:
    36
    Views:
    1,543
    Aussie V8
    Jun 16, 2020
  31. Quick Buick

    Fuel Pressure ?

    Quick Buick, Nov 28, 2018 ... 2
    Replies:
    36
    Views:
    1,879
    Quick Buick
    Mar 22, 2019
  32. eagleguy

    Carb selection for 350 with 284 cam

    eagleguy, Nov 22, 2012 ... 2
    Replies:
    36
    Views:
    3,825
    GS Jim
    Jan 22, 2013
  33. green71stage1

    Where is the carburetor idle adjustment screw on the Rochester ?

    green71stage1, Jul 18, 2020 ... 2
    Replies:
    35
    Views:
    3,651
    1968_GS400
    Feb 12, 2023
  34. BYoung

    Carb woes

    BYoung, Nov 5, 2018 ... 2
    Replies:
    35
    Views:
    2,354
    HotRodRivi
    Jan 22, 2019
  35. Smartin

    Idle surge issue on qjet...smooths out if I tip in the secondary air flaps

    Smartin, Aug 28, 2016 ... 2
    Replies:
    35
    Views:
    3,056
    Smartin
    Sep 5, 2016
  36. Jim Rodgers

    70 Stage 1 carb

    Jim Rodgers, Jan 19, 2017 ... 2
    Replies:
    34
    Views:
    5,125
    Jim Jones
    Feb 1, 2017
  37. 69gsconv4spd

    Quadrajet question

    69gsconv4spd, May 31, 2006 ... 2
    Replies:
    34
    Views:
    5,762
    69gsconv4spd
    Jun 4, 2006
  38. Pav8427

    Experimental Quadrajets.

    Pav8427, Feb 26, 2022 ... 2
    Replies:
    33
    Views:
    2,223
    wkillgs
    Jan 23, 2023
  39. Aussie V8

    Which ports to use

    Aussie V8, Jul 8, 2022 ... 2
    Replies:
    33
    Views:
    1,555
    Cliff R
    Aug 7, 2022
  40. HotRodRivi

    Qjet atomization

    HotRodRivi, Oct 19, 2015 ... 2
    Replies:
    33
    Views:
    4,667
    HotRodRivi
    Aug 8, 2016
  41. breezeri999

    buick jet & rod sizes?

    breezeri999, Jun 7, 2011 ... 2
    Replies:
    33
    Views:
    5,169
    Cliff R
    Jul 11, 2011
  42. Mike Trom

    Secondaries not opening

    Mike Trom, May 3, 2010 ... 2
    Replies:
    33
    Views:
    7,099
    RAbarrett
    May 8, 2010
  43. section8mainiac

    Q-jet tuning help

    section8mainiac, Jun 25, 2016 ... 2
    Replies:
    32
    Views:
    4,140
    section8mainiac
    Jul 17, 2016
  44. eagleguy

    Carb acting up.

    eagleguy, Nov 23, 2013 ... 2
    Replies:
    32
    Views:
    2,921
    carmantx
    Dec 24, 2013
  45. scrisp

    Car will only idle when cold

    scrisp, Aug 10, 2004 ... 2
    Replies:
    32
    Views:
    2,377
    RAbarrett
    Aug 25, 2004
  46. FireRedGS455

    Carb too lean?

    FireRedGS455, Dec 18, 2021 ... 2
    Replies:
    31
    Views:
    1,858
    LARRY70GS
    Jan 21, 2022
  47. Cutlass

    How to modify a 1969 QJ to become a 1970 455 Stage1?

    Cutlass, Nov 11, 2018 ... 2
    Replies:
    31
    Views:
    2,587
    HotRodRivi
    Jun 8, 2019
  48. ribuick

    Q-jet Flooding Engine-BAD

    ribuick, Jan 21, 2023 ... 2
    Replies:
    30
    Views:
    1,270
    ribuick
    Feb 18, 2023
  49. knucklebusted

    Rebuild a Q-Jet, Best Kit?

    knucklebusted, Aug 9, 2015 ... 2
    Replies:
    30
    Views:
    4,276
    knucklebusted
    Nov 5, 2015
  50. 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:
    4,101
    cstanley-gs
    Oct 14, 2011
  51. CJB72Skylark

    Q Jet Tuning

    CJB72Skylark, Oct 6, 2008 ... 2
    Replies:
    29
    Views:
    3,318
    CJB72Skylark
    Oct 10, 2008
  52. sean Buick 76

    Which vacuum lines are a must on my q-jet?

    sean Buick 76, Apr 4, 2005 ... 2
    Replies:
    29
    Views:
    2,554
    jamyers
    Apr 26, 2005
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