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:
    12,234
    DEADMANSCURVE
    Jan 21, 2015
  2. jhems17

    Tuning Assistance

    jhems17, Jun 16, 2019 at 12:43 PM
    Replies:
    7
    Views:
    85
    LARRY70GS
    Jun 16, 2019 at 8:44 PM
  3. carmantx

    Quadrajets, found a few. Stickers

    carmantx, Sep 9, 2018 ... 2 3
    Replies:
    47
    Views:
    2,211
    HotRodRivi
    Jun 14, 2019 at 5:27 PM
  4. Gary Bohannon

    Primary jet sizes

    Gary Bohannon, Apr 28, 2019
    Replies:
    16
    Views:
    431
    HotRodRivi
    Jun 14, 2019 at 5:19 PM
  5. BIG FRANK JOHNSON

    installing an shelf carb

    BIG FRANK JOHNSON, May 5, 2018
    Replies:
    14
    Views:
    472
    HotRodRivi
    Jun 9, 2019
  6. Cutlass

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

    Cutlass, Nov 11, 2018 ... 2
    Replies:
    31
    Views:
    1,161
    HotRodRivi
    Jun 8, 2019
  7. thebuick

    elecrtic choke wiring

    thebuick, Jun 5, 2019
    Replies:
    1
    Views:
    53
    12lives
    Jun 5, 2019
  8. jhems17

    New Carb Install

    jhems17, May 17, 2019
    Replies:
    7
    Views:
    130
    jhems17
    May 17, 2019
  9. MNBelv57

    Fast startup idle issue solved !

    MNBelv57, May 9, 2019
    Replies:
    0
    Views:
    74
    MNBelv57
    May 9, 2019
  10. MNBelv57

    Very Fast Startup RPM

    MNBelv57, Apr 3, 2019
    Replies:
    14
    Views:
    261
    MNBelv57
    Apr 5, 2019
  11. tt455

    Quadrajet 7040240 MD 0230

    tt455, Mar 24, 2019
    Replies:
    3
    Views:
    133
    Cliff R
    Mar 24, 2019
  12. Brett Slater

    Utilizing OEM Chevy Choke On Early B4B/Q-Jet Combo

    Brett Slater, Nov 14, 2018
    Replies:
    10
    Views:
    376
    telriv
    Mar 24, 2019
  13. Quick Buick

    Fuel Pressure ?

    Quick Buick, Nov 28, 2018 ... 2
    Replies:
    36
    Views:
    642
    Quick Buick
    Mar 22, 2019
  14. Nailhead Ronnie

    Qjet

    Nailhead Ronnie, Feb 8, 2019
    Replies:
    8
    Views:
    249
    HotRodRivi
    Mar 21, 2019
  15. jonmil

    1967 gs 400 Q jet return spring

    jonmil, Jan 16, 2019
    Replies:
    12
    Views:
    342
    DauntlessSB92
    Feb 22, 2019
  16. Mike Trom

    August 68 carb date?

    Mike Trom, Feb 9, 2019
    Replies:
    1
    Views:
    120
    carmantx
    Feb 9, 2019
  17. The_Fixer

    Electric choke conversion

    The_Fixer, Jan 20, 2019
    Replies:
    7
    Views:
    284
    The_Fixer
    Jan 23, 2019
  18. BYoung

    Carb woes

    BYoung, Nov 5, 2018 ... 2
    Replies:
    35
    Views:
    1,051
    HotRodRivi
    Jan 22, 2019
  19. Smartin

    No vacuum coming from "manifold vacuum" port on QJet

    Smartin, Dec 22, 2018
    Replies:
    16
    Views:
    374
    carmantx
    Dec 31, 2018
  20. jhems17

    CA vs. Federal regulations

    jhems17, Dec 28, 2018
    Replies:
    7
    Views:
    257
    Cliff R
    Dec 30, 2018
  21. Grandpas67

    What to do? 67 intake and 800CFM Quadrajet

    Grandpas67, Oct 16, 2018
    Replies:
    13
    Views:
    526
    DasRottweiler
    Dec 21, 2018
  22. matt68gs400

    Custom primary rods

    matt68gs400, Nov 9, 2018
    Replies:
    2
    Views:
    205
    matt68gs400
    Nov 10, 2018
  23. buick64203

    Q-Jet part throttle lean condition

    buick64203, Sep 24, 2017 ... 2 3 4
    Replies:
    62
    Views:
    3,746
    buick64203
    Nov 2, 2018
  24. Canadian GS 350

    GS 350 - 7042244

    Canadian GS 350, Jul 30, 2018
    Replies:
    5
    Views:
    363
    Canadian GS 350
    Aug 27, 2018
  25. guyver002

    Trying to understand idle slots and main circuit

    guyver002, Jul 10, 2018
    Replies:
    7
    Views:
    455
    fine threads
    Aug 26, 2018
  26. TORQUED455

    Oddball Quadrajet?

    TORQUED455, Aug 14, 2018
    Replies:
    13
    Views:
    735
    Jim Weise
    Aug 20, 2018
  27. scubasteve455

    What screw (adjust) on Quad

    scubasteve455, Aug 19, 2018
    Replies:
    2
    Views:
    210
    TrunkMonkey
    Aug 20, 2018
  28. MrSony

    Rebushing Marine Qjet?

    MrSony, Aug 8, 2018
    Replies:
    10
    Views:
    366
    TORQUED455
    Aug 14, 2018
  29. BIG FRANK JOHNSON

    carb base gasket

    BIG FRANK JOHNSON, Jun 23, 2018
    Replies:
    4
    Views:
    279
    LARRY70GS
    Jul 19, 2018
  30. sparki

    EFI?

    sparki, Jun 23, 2018 ... 2
    Replies:
    22
    Views:
    741
    sparki
    Jul 14, 2018
  31. MrSony

    QJet Hard Starting After Being Off For 10+ Minutes

    MrSony, Jul 11, 2018
    Replies:
    10
    Views:
    349
    Dwayne B
    Jul 12, 2018
  32. MrSony

    New Rebuilt (by me) Quadrajet Runs like CRAP.

    MrSony, Jun 28, 2018
    Replies:
    19
    Views:
    641
    MrSony
    Jul 4, 2018
  33. BIG FRANK JOHNSON

    gasket order

    BIG FRANK JOHNSON, Jul 1, 2018
    Replies:
    2
    Views:
    165
    BIG FRANK JOHNSON
    Jul 3, 2018
  34. matt68gs400

    Custom primary rods, thanks Cliff!

    matt68gs400, Jul 1, 2018
    Replies:
    1
    Views:
    183
    buick64203
    Jul 1, 2018
  35. Jonah Halbert

    Rochester 4GC carb

    Jonah Halbert, Apr 7, 2018
    Replies:
    10
    Views:
    633
    matt68gs400
    Jun 30, 2018
  36. Gary Bohannon

    secondary throttle plate opening angle

    Gary Bohannon, Apr 18, 2018
    Replies:
    5
    Views:
    429
    matt68gs400
    Jun 28, 2018
  37. Al Pixton

    stumble / hesitation

    Al Pixton, Jun 16, 2018
    Replies:
    4
    Views:
    286
    Al Pixton
    Jun 18, 2018
  38. Buick Riviera 7

    Quadrajet stalls at high speed

    Buick Riviera 7, May 17, 2018 ... 2
    Replies:
    37
    Views:
    1,017
    HotRodRivi
    Jun 1, 2018
  39. jhonjhon

    California carb

    jhonjhon, Apr 23, 2018
    Replies:
    14
    Views:
    479
    HotRodRivi
    May 20, 2018
  40. weinh

    Vacuum port on back side of Q-Jet, what should connect there or just plug off?

    weinh, May 10, 2018
    Replies:
    8
    Views:
    434
    HotRodRivi
    May 15, 2018
  41. ravensbud

    QJ major stumble at high RPM

    ravensbud, Sep 29, 2017 ... 2 3
    Replies:
    44
    Views:
    2,844
    ravensbud
    May 9, 2018
  42. crazyjackcsa

    Throttle Cable Trouble

    crazyjackcsa, May 9, 2018
    Replies:
    2
    Views:
    186
    carmantx
    May 9, 2018
  43. Gary Bohannon

    Quadrajet jetting for cold air

    Gary Bohannon, Nov 25, 2017
    Replies:
    9
    Views:
    1,269
    Gary Bohannon
    Apr 28, 2018
  44. Dwayne B

    Qjet running A little rich

    Dwayne B, Mar 25, 2018
    Replies:
    13
    Views:
    950
    BadBrad
    Apr 19, 2018
  45. bherbert

    Check ball

    bherbert, Feb 11, 2018
    Replies:
    12
    Views:
    982
    HotRodRivi
    Apr 11, 2018
  46. tkoch0967

    No fuel Issue 71 455

    tkoch0967, Mar 24, 2018
    Replies:
    6
    Views:
    855
    LARRY70GS
    Apr 6, 2018
  47. mrolds69

    NOS 1972 Buick Stage 1 Carburetor

    mrolds69, Mar 28, 2018
    Replies:
    6
    Views:
    979
    70 gsconvt
    Apr 4, 2018
  48. mrolds69
    Locked

    Calling Out the Guru of Carbs Cliff Ruggles

    mrolds69, Mar 21, 2018
    Replies:
    1
    Views:
    991
    Jim Weise
    Apr 4, 2018
  49. mrolds69

    Calling All Qjet Experts (Question 2)

    mrolds69, Mar 21, 2018 ... 2
    Replies:
    20
    Views:
    2,238
    HotRodRivi
    Apr 1, 2018
  50. Brad W

    '72 skylark Qjet

    Brad W, Mar 19, 2018
    Replies:
    8
    Views:
    495
    Brad W
    Mar 23, 2018
  51. tubecatgs

    1970 GS 350 Quadrajet size?

    tubecatgs, Mar 14, 2018
    Replies:
    3
    Views:
    339
    tubecatgs
    Mar 14, 2018
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