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:
    12,413
    DEADMANSCURVE
    Jan 21, 2015
  2. weinh

    Fuel leak at inlet fitting - how to seal properly?

    weinh, Oct 14, 2019 at 1:35 PM
    Replies:
    12
    Views:
    181
    Cliff R
    Oct 17, 2019 at 11:19 AM
  3. schwemf

    Adjustable Power Piston height BELOW retaining collar when fully seated

    schwemf, Jul 8, 2019
    Replies:
    7
    Views:
    245
    Cliff R
    Oct 10, 2019
  4. scubasteve455

    71-72 BB choke

    scubasteve455, Sep 20, 2019
    Replies:
    6
    Views:
    131
    scubasteve455
    Oct 8, 2019
  5. UNDERDOG350

    HYgrade carb parts

    UNDERDOG350, Aug 22, 2019
    Replies:
    6
    Views:
    194
    UNDERDOG350
    Sep 16, 2019
  6. carmantx

    Quadrajets, found a few. Stickers

    carmantx, Sep 9, 2018 ... 2 3
    Replies:
    48
    Views:
    2,597
    BuickV8Mike
    Sep 15, 2019
  7. schwemf

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

    schwemf, Aug 30, 2019
    Replies:
    0
    Views:
    90
    schwemf
    Aug 30, 2019
  8. Skylarkman455

    thermo choke

    Skylarkman455, Aug 25, 2019
    Replies:
    3
    Views:
    95
    Skylarkman455
    Aug 26, 2019
  9. matt68gs400

    1/2” phenolic spacer

    matt68gs400, Aug 3, 2019
    Replies:
    8
    Views:
    263
    Cliff R
    Aug 7, 2019
  10. 79BlueShark

    Can use some guidance on final QJet/Combo setup

    79BlueShark, Aug 5, 2019
    Replies:
    3
    Views:
    171
    Cliff R
    Aug 7, 2019
  11. hvramesq

    dry carb

    hvramesq, Jul 29, 2019
    Replies:
    14
    Views:
    217
    Quick Buick
    Jul 30, 2019
  12. mikeyfartsen

    Need some help with my Q-Jet Carb

    mikeyfartsen, Jul 29, 2019
    Replies:
    3
    Views:
    132
    mikeyfartsen
    Jul 30, 2019
  13. yachtsmanbill

    Is this worth it???

    yachtsmanbill, Jul 22, 2019
    Replies:
    8
    Views:
    251
    64 skylark mike
    Jul 23, 2019
  14. jamyers

    Inconsistent AFRs when returning to idle, driving us crazy

    jamyers, Jun 20, 2019
    Replies:
    14
    Views:
    462
    Cliff R
    Jul 12, 2019
  15. schwemf

    Delco Carburetor Bulletins for every year Quadrajet

    schwemf, Jul 2, 2019
    Replies:
    1
    Views:
    159
    shiftbyear
    Jul 5, 2019
  16. schwemf

    1969 Stage 1 7029246 original jet, rod sizes?

    schwemf, Jun 30, 2019
    Replies:
    3
    Views:
    148
    schwemf
    Jul 2, 2019
  17. jhems17

    Tuning Assistance

    jhems17, Jun 16, 2019
    Replies:
    7
    Views:
    214
    LARRY70GS
    Jun 16, 2019
  18. Gary Bohannon

    Primary jet sizes

    Gary Bohannon, Apr 28, 2019
    Replies:
    16
    Views:
    637
    HotRodRivi
    Jun 14, 2019
  19. BIG FRANK JOHNSON

    installing an shelf carb

    BIG FRANK JOHNSON, May 5, 2018
    Replies:
    14
    Views:
    551
    HotRodRivi
    Jun 9, 2019
  20. Cutlass

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

    Cutlass, Nov 11, 2018 ... 2
    Replies:
    31
    Views:
    1,313
    HotRodRivi
    Jun 8, 2019
  21. thebuick

    elecrtic choke wiring

    thebuick, Jun 5, 2019
    Replies:
    1
    Views:
    125
    12lives
    Jun 5, 2019
  22. jhems17

    New Carb Install

    jhems17, May 17, 2019
    Replies:
    7
    Views:
    218
    jhems17
    May 17, 2019
  23. MNBelv57

    Fast startup idle issue solved !

    MNBelv57, May 9, 2019
    Replies:
    0
    Views:
    149
    MNBelv57
    May 9, 2019
  24. MNBelv57

    Very Fast Startup RPM

    MNBelv57, Apr 3, 2019
    Replies:
    14
    Views:
    492
    MNBelv57
    Apr 5, 2019
  25. tt455

    Quadrajet 7040240 MD 0230

    tt455, Mar 24, 2019
    Replies:
    3
    Views:
    201
    Cliff R
    Mar 24, 2019
  26. Brett Slater

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

    Brett Slater, Nov 14, 2018
    Replies:
    10
    Views:
    440
    telriv
    Mar 24, 2019
  27. Quick Buick

    Fuel Pressure ?

    Quick Buick, Nov 28, 2018 ... 2
    Replies:
    36
    Views:
    789
    Quick Buick
    Mar 22, 2019
  28. Nailhead Ronnie

    Qjet

    Nailhead Ronnie, Feb 8, 2019
    Replies:
    8
    Views:
    308
    HotRodRivi
    Mar 21, 2019
  29. jonmil

    1967 gs 400 Q jet return spring

    jonmil, Jan 16, 2019
    Replies:
    12
    Views:
    404
    DauntlessSB92
    Feb 22, 2019
  30. Mike Trom

    August 68 carb date?

    Mike Trom, Feb 9, 2019
    Replies:
    1
    Views:
    171
    carmantx
    Feb 9, 2019
  31. The_Fixer

    Electric choke conversion

    The_Fixer, Jan 20, 2019
    Replies:
    7
    Views:
    346
    The_Fixer
    Jan 23, 2019
  32. BYoung

    Carb woes

    BYoung, Nov 5, 2018 ... 2
    Replies:
    35
    Views:
    1,196
    HotRodRivi
    Jan 22, 2019
  33. Smartin

    No vacuum coming from "manifold vacuum" port on QJet

    Smartin, Dec 22, 2018
    Replies:
    16
    Views:
    444
    carmantx
    Dec 31, 2018
  34. jhems17

    CA vs. Federal regulations

    jhems17, Dec 28, 2018
    Replies:
    7
    Views:
    301
    Cliff R
    Dec 30, 2018
  35. Grandpas67

    What to do? 67 intake and 800CFM Quadrajet

    Grandpas67, Oct 16, 2018
    Replies:
    13
    Views:
    613
    DasRottweiler
    Dec 21, 2018
  36. matt68gs400

    Custom primary rods

    matt68gs400, Nov 9, 2018
    Replies:
    2
    Views:
    261
    matt68gs400
    Nov 10, 2018
  37. buick64203

    Q-Jet part throttle lean condition

    buick64203, Sep 24, 2017 ... 2 3 4
    Replies:
    62
    Views:
    4,053
    buick64203
    Nov 2, 2018
  38. Canadian GS 350

    GS 350 - 7042244

    Canadian GS 350, Jul 30, 2018
    Replies:
    5
    Views:
    410
    Canadian GS 350
    Aug 27, 2018
  39. guyver002

    Trying to understand idle slots and main circuit

    guyver002, Jul 10, 2018
    Replies:
    7
    Views:
    580
    fine threads
    Aug 26, 2018
  40. TORQUED455

    Oddball Quadrajet?

    TORQUED455, Aug 14, 2018
    Replies:
    13
    Views:
    808
    Jim Weise
    Aug 20, 2018
  41. scubasteve455

    What screw (adjust) on Quad

    scubasteve455, Aug 19, 2018
    Replies:
    2
    Views:
    257
    TrunkMonkey
    Aug 20, 2018
  42. MrSony

    Rebushing Marine Qjet?

    MrSony, Aug 8, 2018
    Replies:
    10
    Views:
    412
    TORQUED455
    Aug 14, 2018
  43. BIG FRANK JOHNSON

    carb base gasket

    BIG FRANK JOHNSON, Jun 23, 2018
    Replies:
    4
    Views:
    326
    LARRY70GS
    Jul 19, 2018
  44. sparki

    EFI?

    sparki, Jun 23, 2018 ... 2
    Replies:
    22
    Views:
    871
    sparki
    Jul 14, 2018
  45. MrSony

    QJet Hard Starting After Being Off For 10+ Minutes

    MrSony, Jul 11, 2018
    Replies:
    10
    Views:
    405
    Dwayne B
    Jul 12, 2018
  46. MrSony

    New Rebuilt (by me) Quadrajet Runs like CRAP.

    MrSony, Jun 28, 2018
    Replies:
    19
    Views:
    764
    MrSony
    Jul 4, 2018
  47. BIG FRANK JOHNSON

    gasket order

    BIG FRANK JOHNSON, Jul 1, 2018
    Replies:
    2
    Views:
    205
    BIG FRANK JOHNSON
    Jul 3, 2018
  48. matt68gs400

    Custom primary rods, thanks Cliff!

    matt68gs400, Jul 1, 2018
    Replies:
    1
    Views:
    227
    buick64203
    Jul 1, 2018
  49. Jonah Halbert

    Rochester 4GC carb

    Jonah Halbert, Apr 7, 2018
    Replies:
    10
    Views:
    713
    matt68gs400
    Jun 30, 2018
  50. Gary Bohannon

    secondary throttle plate opening angle

    Gary Bohannon, Apr 18, 2018
    Replies:
    5
    Views:
    487
    matt68gs400
    Jun 28, 2018
  51. Al Pixton

    stumble / hesitation

    Al Pixton, Jun 16, 2018
    Replies:
    4
    Views:
    339
    Al Pixton
    Jun 18, 2018
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