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:
    13
    Views:
    14,841
    67melrob
    Jan 10, 2023
  2. James Leonard
    Sticky

    Rochester Date Code

    James Leonard, Jul 27, 2022
    Replies:
    16
    Views:
    963
    Smitty455
    Jan 29, 2023
  3. Geeky1

    "Baseline" settings for Q-Jet?

    Geeky1, Jun 17, 2007
    Replies:
    12
    Views:
    1,466
    RAbarrett
    Jul 4, 2007
  4. bobuick

    #7040246 MD carb 2110

    bobuick, Dec 7, 2007
    Replies:
    9
    Views:
    1,262
    bobuick
    Dec 8, 2007
  5. snake

    #7042240 Q-jet set up on a 425 nailhead

    snake, May 31, 2013
    Replies:
    11
    Views:
    1,716
    Cliff R
    Jun 4, 2013
  6. Desiata7

    ''wrong carb''

    Desiata7, Dec 30, 2021
    Replies:
    4
    Views:
    360
    Cliff R
    Dec 31, 2021
  7. Lars GS

    '70 dashpot p/n?

    Lars GS, Jan 12, 2020 ... 2
    Replies:
    21
    Views:
    1,413
    HotRodRivi
    Feb 3, 2020
  8. bocoogto

    '70 Stage I Quadrajets

    bocoogto, Dec 7, 2010 ... 2
    Replies:
    27
    Views:
    8,880
    Cliff R
    Feb 18, 2011
  9. Steve Craig

    '71 350 return springs

    Steve Craig, Apr 2, 2007
    Replies:
    6
    Views:
    1,115
    Iggycat2004
    Apr 4, 2007
  10. 72GSdroptop

    '71 455 carb on a '72 350

    72GSdroptop, Aug 15, 2005
    Replies:
    15
    Views:
    2,103
    Dennis Barker
    Aug 29, 2005
  11. GSXMEN

    '71 Stage 1 Q-jet part # ???

    GSXMEN, Feb 9, 2004
    Replies:
    11
    Views:
    1,277
    Dan Healey
    Feb 11, 2004
  12. breakinbuick11

    '72 Rivi carb. 800 cfm or 750?

    breakinbuick11, May 15, 2010
    Replies:
    2
    Views:
    527
    breakinbuick11
    May 15, 2010
  13. Brad W

    '72 skylark Qjet

    Brad W, Mar 19, 2018
    Replies:
    8
    Views:
    941
    Brad W
    Mar 23, 2018
  14. into_l

    '73 Q-jet needs choke, will electric work?

    into_l, May 2, 2007
    Replies:
    4
    Views:
    1,729
    David Hemker
    May 3, 2007
  15. afracer

    '76 455 Qjet any good?

    afracer, Jul 19, 2014
    Replies:
    4
    Views:
    622
    Cliff R
    Jul 21, 2014
  16. MattStrike

    '76 LeSabre 455, carb bowl leaks?

    MattStrike, Nov 22, 2011
    Replies:
    2
    Views:
    614
    Cliff R
    Nov 23, 2011
  17. myerslaw

    '76 Pontiac 400 trans am quadra jet

    myerslaw, May 4, 2015
    Replies:
    4
    Views:
    1,331
    Cliff R
    May 14, 2015
  18. BamaWildcat

    (Another dummy) What carb is on my Nailhead?

    BamaWildcat, May 18, 2004
    Replies:
    7
    Views:
    970
    txgwildcat
    May 20, 2004
  19. KB149

    -79 Q-Jet APT question

    KB149, Oct 6, 2014
    Replies:
    12
    Views:
    1,607
    Cliff R
    Oct 9, 2014
  20. 85_regal

    1

    85_regal, Feb 8, 2008
    Replies:
    4
    Views:
    617
    Martian
    Feb 9, 2008
  21. we287gn

    1" Mr Gasket Phenolic spacer

    we287gn, Jan 24, 2011
    Replies:
    10
    Views:
    2,782
    we287gn
    Feb 6, 2011
  22. scott kerns

    1/2" to an 1" spacer under carb. Performance increase?

    scott kerns, Feb 15, 2010
    Replies:
    9
    Views:
    2,709
    Tyler Northcutt
    Feb 17, 2010
  23. matt68gs400

    1/2” phenolic spacer

    matt68gs400, Aug 3, 2019
    Replies:
    17
    Views:
    1,793
    Cliff R
    Dec 26, 2019
  24. Atbb

    1/4" spread bore carb spacer

    Atbb, Apr 20, 2011
    Replies:
    3
    Views:
    1,482
    Atbb
    Apr 29, 2011
  25. 87GN_70GS

    1000+ cfm from a modified Qjet

    87GN_70GS, Apr 16, 2024
    Replies:
    4
    Views:
    587
    87GN_70GS
    May 3, 2024 at 9:47 PM
  26. shiftbyear

    15% Ethanol

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

    1960 Rochester

    Herby, Nov 3, 2011
    Replies:
    4
    Views:
    1,164
    william.ali.kay
    Nov 6, 2011
  28. Herby

    1960 Rochester 4Jet Carburetor 401 nailhead

    Herby, Feb 1, 2012
    Replies:
    1
    Views:
    581
    william.ali.kay
    Feb 1, 2012
  29. 63rivdream

    1963 Riviera with 401 Nailhead stalling issues

    63rivdream, Sep 17, 2016
    Replies:
    6
    Views:
    770
    Dadrider
    Sep 21, 2016
  30. 66electrafied

    1966 4MV falls flat when secondaries want to come on

    66electrafied, Apr 2, 2016
    Replies:
    17
    Views:
    2,475
    HotRodRivi
    May 14, 2016
  31. techg8

    1966 stock Quadrajet Jetting?

    techg8, Oct 28, 2014
    Replies:
    2
    Views:
    591
    techg8
    Oct 29, 2014
  32. 67melrob

    1967 430 early or late carb?

    67melrob, Jan 10, 2023
    Replies:
    2
    Views:
    181
    67melrob
    Jan 11, 2023
  33. jonmil

    1967 gs 400 Q jet return spring

    jonmil, Jan 16, 2019
    Replies:
    12
    Views:
    1,009
    DauntlessSB92
    Feb 22, 2019
  34. techg8

    1967 GS400 jetting?

    techg8, Oct 9, 2015
    Replies:
    6
    Views:
    831
    techg8
    Oct 9, 2015
  35. 69GS400s

    1968 400" qjet manifold gasket vs 69 and up ??

    69GS400s, Nov 15, 2010
    Replies:
    6
    Views:
    934
    Cliff R
    Nov 18, 2010
  36. kack

    1968 Electra manifold id?

    kack, May 1, 2009
    Replies:
    10
    Views:
    905
    kack
    May 15, 2009
  37. 71stagegs

    1969 chevy Q-jet

    71stagegs, Jan 5, 2021
    Replies:
    9
    Views:
    578
    Cliff R
    Jan 14, 2021
  38. My69GS350

    1969 GS 350 Q-Jet

    My69GS350, Mar 17, 2006
    Replies:
    5
    Views:
    743
    carbking
    Mar 20, 2006
  39. 2manybuicks

    1969 GS Carb Date Codes

    2manybuicks, Oct 25, 2004
    Replies:
    6
    Views:
    839
    Nicholas Sloop
    Nov 10, 2004
  40. 69 RIV

    1969 Qjet Secondary Throttle Shaft

    69 RIV, May 13, 2022
    Replies:
    6
    Views:
    331
    69 RIV
    May 15, 2022
  41. schwemf

    1969 Stage 1 7029246 original jet, rod sizes?

    schwemf, Jun 30, 2019
    Replies:
    3
    Views:
    572
    schwemf
    Jul 2, 2019
  42. schwemf

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

    schwemf, Aug 30, 2019 ... 2
    Replies:
    20
    Views:
    1,795
    srb
    Oct 12, 2022
  43. Buickless

    1970 2GV carburator float and accelerator pump rod specs

    Buickless, Sep 4, 2017
    Replies:
    4
    Views:
    673
    Buickless
    Sep 6, 2017
  44. techg8

    1970 455 Stage 1 Qjet 7040246?

    techg8, Dec 12, 2013
    Replies:
    11
    Views:
    1,863
    techg8
    Dec 23, 2013
  45. Faststangs

    1970 Buick Riviera Carb Question

    Faststangs, Aug 25, 2010
    Replies:
    6
    Views:
    1,203
    flynbuick
    Aug 25, 2010
  46. tubecatgs

    1970 GS 350 Quadrajet size?

    tubecatgs, Mar 14, 2018
    Replies:
    3
    Views:
    618
    tubecatgs
    Mar 14, 2018
  47. jeffpye

    1970 q-jet

    jeffpye, Sep 12, 2012
    Replies:
    5
    Views:
    1,359
    Cliff R
    Sep 15, 2012
  48. Eric

    1971 800 CFM Quadrajet- Rebuild

    Eric, Jun 2, 2014
    Replies:
    2
    Views:
    1,172
    Cliff R
    Jun 6, 2014
  49. arden_dean

    1971 Buick skylark 455 QJet Carb. no secondaries?

    arden_dean, Sep 9, 2013
    Replies:
    5
    Views:
    1,745
    Cliff R
    Sep 13, 2013
  50. eagleguy

    1971 Q-Jet specs?

    eagleguy, Oct 13, 2010
    Replies:
    11
    Views:
    979
    eagleguy
    Oct 16, 2010
  51. adamprat

    1971 riv 455 q-jet question

    adamprat, May 24, 2013
    Replies:
    7
    Views:
    1,465
    Cliff R
    Jun 4, 2013
  52. opeltwinturbo

    1972 350 4bbl

    opeltwinturbo, Sep 16, 2007
    Replies:
    1
    Views:
    723
    GStage1
    Sep 21, 2007
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