The Venerable Q-Jet

Rochester and Edelbrock Q-jet tech.

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  1. 69GS400s
    Sticky

    Rochester Carb ID - THE DEFINITIVE GUIDE !!!

    69GS400s, Feb 1, 2007
    Replies:
    12
    Views:
    13,064
    DEADMANSCURVE
    Jan 21, 2015
  2. 71stagegs

    1969 chevy Q-jet

    71stagegs, Jan 5, 2021
    Replies:
    9
    Views:
    189
    Cliff R
    Jan 14, 2021 at 7:04 AM
  3. rkammer

    Power valve issue or not

    rkammer, Dec 20, 2020 ... 2
    Replies:
    21
    Views:
    364
    rkammer
    Dec 22, 2020
  4. CCM

    7045483 cold start issues

    CCM, Dec 10, 2020 ... 2
    Replies:
    39
    Views:
    520
    CCM
    Dec 17, 2020
  5. agetnt9

    Letters after date

    agetnt9, Nov 11, 2020
    Replies:
    2
    Views:
    141
    agetnt9
    Nov 11, 2020
  6. Pav8427

    Desirable Qjets??

    Pav8427, Oct 8, 2020 ... 2
    Replies:
    22
    Views:
    624
    Gallagher
    Oct 10, 2020
  7. carmantx

    Quadrajets, found a few. Stickers

    carmantx, Sep 9, 2018 ... 2 3
    Replies:
    49
    Views:
    3,840
    Dano
    Oct 10, 2020
  8. hgiljr

    Carb issues

    hgiljr, May 24, 2020 ... 2 3
    Replies:
    49
    Views:
    1,371
    jeremy barnhart
    Sep 29, 2020
  9. Brandon Cocola

    Blow through vs draw through Quadrajet

    Brandon Cocola, Aug 2, 2020
    Replies:
    8
    Views:
    352
    Brandon Cocola
    Sep 22, 2020
  10. Q8 GS

    Fuel bowl white residue

    Q8 GS, Sep 14, 2020
    Replies:
    7
    Views:
    191
    Q8 GS
    Sep 15, 2020
  11. Dano

    7040245 Date Codes?

    Dano, Sep 10, 2020
    Replies:
    0
    Views:
    107
    Dano
    Sep 10, 2020
  12. rkammer

    Leaking fuel inlet

    rkammer, Aug 28, 2020
    Replies:
    11
    Views:
    315
    LARRY70GS
    Sep 1, 2020
  13. bw1339

    QJ accelerator pump trouble

    bw1339, Aug 25, 2020
    Replies:
    6
    Views:
    212
    Cliff R
    Aug 28, 2020
  14. tommieboy

    71 Buick Quadrajet choke pull-off question

    tommieboy, Aug 6, 2020
    Replies:
    6
    Views:
    329
    tommieboy
    Aug 26, 2020
  15. Cutlass

    What is the lesser evil?

    Cutlass, Aug 25, 2020
    Replies:
    4
    Views:
    209
    Cutlass
    Aug 26, 2020
  16. rkammer

    What's This Solenoid for?

    rkammer, Aug 24, 2020
    Replies:
    6
    Views:
    186
    LARRY70GS
    Aug 26, 2020
  17. rkammer

    Difference between the 750 & the 800 Quadrajets.

    rkammer, Aug 12, 2020
    Replies:
    11
    Views:
    393
    Cliff R
    Aug 20, 2020
  18. mikethegoon

    choke identity

    mikethegoon, Aug 6, 2020
    Replies:
    3
    Views:
    158
    Matt Knutson
    Aug 6, 2020
  19. Q8 GS

    Stop surface rust forming after Q-jet rust remover soak

    Q8 GS, Jul 31, 2020
    Replies:
    10
    Views:
    370
    Daves69
    Aug 2, 2020
  20. John Brown/1972 Buick

    Q-jet bad rebuild

    John Brown/1972 Buick, Jul 7, 2020
    Replies:
    12
    Views:
    715
    Cliff R
    Jul 13, 2020
  21. charlierogers

    246 stg 1 carb

    charlierogers, Jun 25, 2020
    Replies:
    4
    Views:
    251
    charlierogers
    Jun 25, 2020
  22. 70 GMuscle

    A few Quadra jet questions

    70 GMuscle, Apr 24, 2020 ... 2
    Replies:
    36
    Views:
    977
    Aussie V8
    Jun 16, 2020
  23. Dr. Roger

    Fuel inlet gasket

    Dr. Roger, May 3, 2020
    Replies:
    2
    Views:
    230
    Dr. Roger
    May 3, 2020
  24. Dr. Roger

    CFM on 7042244

    Dr. Roger, May 2, 2020
    Replies:
    3
    Views:
    261
    LARRY70GS
    May 2, 2020
  25. Daves 71 GS

    600 HP with Q-Jet

    Daves 71 GS, Dec 28, 2019 ... 2 3
    Replies:
    49
    Views:
    2,914
    Cliff R
    Apr 24, 2020
  26. tubecatgs

    Correct Qjet gasket & changes for manual?

    tubecatgs, Mar 3, 2020
    Replies:
    17
    Views:
    916
    87GN_70GS
    Apr 22, 2020
  27. HotRodRivi

    A Max effort Rochester

    HotRodRivi, Apr 13, 2020
    Replies:
    18
    Views:
    763
    Cliff R
    Apr 21, 2020
  28. jhonjhon

    Carb questions

    jhonjhon, Apr 11, 2020
    Replies:
    8
    Views:
    666
    jhonjhon
    Apr 16, 2020
  29. 79BlueShark

    Can use some guidance on final QJet/Combo setup

    79BlueShark, Aug 5, 2019
    Replies:
    4
    Views:
    846
    HotRodRivi
    Apr 13, 2020
  30. johnriv67

    Cliff Ruggles' Quadrajet electric choke issues

    johnriv67, Feb 16, 2020 ... 2
    Replies:
    21
    Views:
    1,540
    HotRodRivi
    Apr 12, 2020
  31. weinh

    Fuel leak at inlet fitting - how to seal properly?

    weinh, Oct 14, 2019 ... 2
    Replies:
    28
    Views:
    1,755
    HotRodRivi
    Apr 12, 2020
  32. john Bryant

    need choke rod for divorced choke for 2 barrel 2g 7042142 carb

    john Bryant, Mar 25, 2020
    Replies:
    4
    Views:
    269
    john Bryant
    Mar 26, 2020
  33. BuickV8Mike

    Fast Idle Cam Replacement Q-Jet

    BuickV8Mike, Mar 5, 2020
    Replies:
    7
    Views:
    336
    Cliff R
    Mar 11, 2020
  34. schwemf

    1969 Stage 1 7029246 - Does it have a fixed Idle-Air Bypass System?

    schwemf, Aug 30, 2019
    Replies:
    19
    Views:
    888
    Cliff R
    Mar 8, 2020
  35. Lars GS

    '70 dashpot p/n?

    Lars GS, Jan 12, 2020 ... 2
    Replies:
    21
    Views:
    854
    HotRodRivi
    Feb 3, 2020
  36. matt68gs400

    1/2” phenolic spacer

    matt68gs400, Aug 3, 2019
    Replies:
    17
    Views:
    912
    Cliff R
    Dec 26, 2019
  37. Storm1

    7041544 MH 1970

    Storm1, Dec 23, 2019
    Replies:
    3
    Views:
    436
    Cliff R
    Dec 25, 2019
  38. hvramesq

    dry carb

    hvramesq, Jul 29, 2019
    Replies:
    18
    Views:
    728
    Cliff R
    Dec 11, 2019
  39. Al Pixton

    main air bleeds

    Al Pixton, Dec 9, 2019
    Replies:
    2
    Views:
    453
    Cliff R
    Dec 11, 2019
  40. Golden Oldie 65

    Idle surge

    Golden Oldie 65, Oct 21, 2019
    Replies:
    4
    Views:
    546
    Cliff R
    Oct 22, 2019
  41. schwemf

    Adjustable Power Piston height BELOW retaining collar when fully seated

    schwemf, Jul 8, 2019
    Replies:
    7
    Views:
    545
    Cliff R
    Oct 10, 2019
  42. scubasteve455

    71-72 BB choke

    scubasteve455, Sep 20, 2019
    Replies:
    6
    Views:
    506
    scubasteve455
    Oct 8, 2019
  43. UNDERDOG350

    HYgrade carb parts

    UNDERDOG350, Aug 22, 2019
    Replies:
    6
    Views:
    514
    UNDERDOG350
    Sep 16, 2019
  44. Skylarkman455

    thermo choke

    Skylarkman455, Aug 25, 2019
    Replies:
    3
    Views:
    411
    Skylarkman455
    Aug 26, 2019
  45. mikeyfartsen

    Need some help with my Q-Jet Carb

    mikeyfartsen, Jul 29, 2019
    Replies:
    3
    Views:
    396
    mikeyfartsen
    Jul 30, 2019
  46. yachtsmanbill

    Is this worth it???

    yachtsmanbill, Jul 22, 2019
    Replies:
    8
    Views:
    489
    64 skylark mike
    Jul 23, 2019
  47. jamyers

    Inconsistent AFRs when returning to idle, driving us crazy

    jamyers, Jun 20, 2019
    Replies:
    14
    Views:
    830
    Cliff R
    Jul 12, 2019
  48. schwemf

    Delco Carburetor Bulletins for every year Quadrajet

    schwemf, Jul 2, 2019
    Replies:
    1
    Views:
    426
    shiftbyear
    Jul 5, 2019
  49. schwemf

    1969 Stage 1 7029246 original jet, rod sizes?

    schwemf, Jun 30, 2019
    Replies:
    3
    Views:
    414
    schwemf
    Jul 2, 2019
  50. jhems17

    Tuning Assistance

    jhems17, Jun 16, 2019
    Replies:
    7
    Views:
    504
    LARRY70GS
    Jun 16, 2019
  51. Gary Bohannon

    Primary jet sizes

    Gary Bohannon, Apr 28, 2019
    Replies:
    16
    Views:
    1,296
    HotRodRivi
    Jun 14, 2019
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