'Da Nailhead

Pop Kennedy and TV-Tommy could make 'em run. You can too! Get the lowdown on the most underrated Buick motor here...who needs wedge heads?

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  1. 67Skybird

    1966 gs 401 carter carb question

    67Skybird, Apr 1, 2022
    Replies:
    8
    Views:
    949
    67Skybird
    Apr 3, 2022
  2. 36threewindow

    air cleaner snorkel

    36threewindow, Feb 4, 2022
    Replies:
    17
    Views:
    1,302
    nailheadnut
    Mar 28, 2022
  3. Chuck Roderique

    1962 Wildcat Nailhead

    Chuck Roderique, Mar 3, 2022
    Replies:
    12
    Views:
    662
    socal rider
    Mar 28, 2022
  4. Cole Adamrovich

    Looking for info on having a 401 rebuilt

    Cole Adamrovich, Feb 15, 2022
    Replies:
    13
    Views:
    681
    Mark Demko
    Mar 22, 2022
  5. suntreemcanic

    Water pumps and fan spacers

    suntreemcanic, Feb 7, 2022
    Replies:
    4
    Views:
    439
    John Codman
    Mar 7, 2022
  6. Dragdoc

    Cooling system suggestions

    Dragdoc, Dec 17, 2021
    Replies:
    16
    Views:
    1,000
    BadBrad
    Mar 4, 2022
  7. Jeff Wells

    Nailhead Builder in Michigan

    Jeff Wells, Feb 10, 2022
    Replies:
    8
    Views:
    781
    Mart
    Feb 25, 2022
  8. wkillgs

    Nailhead book coming from SA Design, Oct 2020

    wkillgs, Aug 29, 2020
    Replies:
    10
    Views:
    1,103
    Schurkey
    Feb 22, 2022
  9. The Big Guy

    What oil and filter for a nail head?

    The Big Guy, Sep 12, 2021 ... 2
    Replies:
    27
    Views:
    1,556
    PGSS
    Feb 13, 2022
  10. paulie

    Head gasket 322 fitted wrong

    paulie, Jan 19, 2022
    Replies:
    2
    Views:
    378
    John Codman
    Feb 7, 2022
  11. bos

    St 400

    bos, Jan 4, 2022
    Replies:
    6
    Views:
    498
    Bigpig455
    Jan 29, 2022
  12. telriv

    '64-'66 Wildcat/Electra/Riviera R/ exhaust manifold

    telriv, Jan 12, 2022
    Replies:
    10
    Views:
    487
    telriv
    Jan 14, 2022
  13. jeffrro1

    401 pistons

    jeffrro1, Sep 14, 2021
    Replies:
    7
    Views:
    896
    Mark Demko
    Dec 21, 2021
  14. suntreemcanic

    Old Nailhead Manifold or Quadrajet Manifold

    suntreemcanic, Nov 24, 2021 ... 2
    Replies:
    21
    Views:
    1,925
    Mark Demko
    Dec 21, 2021
  15. Super Bald Menace

    Hydraulic clutch release setup

    Super Bald Menace, Dec 17, 2021
    Replies:
    3
    Views:
    333
    TrunkMonkey
    Dec 17, 2021
  16. Chaunce Dawes

    1966 Electra spitting gas out the carb.... HEI Vacuum Advance tuning?

    Chaunce Dawes, Nov 6, 2021
    Replies:
    11
    Views:
    607
    bhambulldog
    Dec 11, 2021
  17. Super Bald Menace

    Engle cam

    Super Bald Menace, Nov 18, 2021
    Replies:
    8
    Views:
    682
    Super Bald Menace
    Nov 26, 2021
  18. Chaunce Dawes

    In need,........ 1966 electra 225 vacuum diagram

    Chaunce Dawes, Oct 7, 2021
    Replies:
    4
    Views:
    424
    exchaoordo
    Nov 16, 2021
  19. Chad Nicoletti

    Loud Top End Noise, '62 LeSabre 401.

    Chad Nicoletti, Sep 14, 2021 ... 4 5 6
    Replies:
    106
    Views:
    3,025
    Chad Nicoletti
    Nov 8, 2021
  20. bos

    Cam type ,brand

    bos, Nov 1, 2021
    Replies:
    17
    Views:
    644
    Bigpig455
    Nov 7, 2021
  21. Chaunce Dawes

    New some advice on an hei conversion PLEASE!

    Chaunce Dawes, Oct 18, 2021
    Replies:
    10
    Views:
    648
    Chaunce Dawes
    Nov 7, 2021
  22. 69hellcat

    401-425 heads stock vs ported

    69hellcat, Oct 15, 2021
    Replies:
    7
    Views:
    823
    bos
    Nov 1, 2021
  23. GranSportSedan

    seat of the pants difference between 401-425?

    GranSportSedan, Jul 23, 2018 ... 2
    Replies:
    22
    Views:
    1,974
    TrunkMonkey
    Oct 31, 2021
  24. Chaunce Dawes

    Wire identification for 1966 Buick Electra... Or checkin' in to the looney bin

    Chaunce Dawes, Oct 26, 2021
    Replies:
    16
    Views:
    657
    LARRY70GS
    Oct 26, 2021
  25. Chaunce Dawes

    1966 Buick Electra 225 Nailhead HEI conversion TROUBLE TROUBLE TROUBLE!

    Chaunce Dawes, Oct 14, 2021
    Replies:
    6
    Views:
    452
    Chaunce Dawes
    Oct 20, 2021
  26. gsjohnny1

    ANOTHER NAILHEAD TREAT

    gsjohnny1, Oct 12, 2021
    Replies:
    1
    Views:
    343
    Max Damage
    Oct 12, 2021
  27. gsjohnny1

    NAILHEAD TREAT ON THE HAMB SITE

    gsjohnny1, Oct 5, 2021
    Replies:
    6
    Views:
    509
    gsjohnny1
    Oct 11, 2021
  28. Jim Weise

    65 PS Pump question..

    Jim Weise, Oct 5, 2021
    Replies:
    6
    Views:
    415
    telriv
    Oct 6, 2021
  29. JustABuick

    425 front end accessory diagram

    JustABuick, Aug 30, 2021
    Replies:
    4
    Views:
    293
    Dan Hach
    Oct 5, 2021
  30. doc

    Docs T shirt design.....

    doc, Aug 7, 2021
    Replies:
    16
    Views:
    953
    mineseats9
    Sep 12, 2021
  31. jw1955buick

    Source for rebuild carb throttle shaft bushings WCFB

    jw1955buick, Sep 2, 2021
    Replies:
    2
    Views:
    184
    jw1955buick
    Sep 2, 2021
  32. PGSS

    Nailhead weather sensitivity.

    PGSS, Feb 12, 2021
    Replies:
    18
    Views:
    829
    Stevem
    Aug 27, 2021
  33. Rod Kinkade

    To A9 clone or not. 1966 Skylark GS content.

    Rod Kinkade, Aug 22, 2021 ... 2
    Replies:
    21
    Views:
    1,125
    gsgtx
    Aug 27, 2021
  34. Jerry68GS400

    364 vs 401 question

    Jerry68GS400, Apr 6, 2021
    Replies:
    14
    Views:
    1,328
    nekkidhillbilly
    Aug 25, 2021
  35. gs65

    Nailhead engine cradle

    gs65, Jul 23, 2021
    Replies:
    4
    Views:
    428
    gs65
    Aug 23, 2021
  36. Buikula

    Wildcat -65 (401cid) startup problem

    Buikula, Jun 8, 2021
    Replies:
    13
    Views:
    519
    doc
    Aug 15, 2021
  37. OutlawJD

    Rear Main Seal

    OutlawJD, Nov 14, 2002
    Replies:
    10
    Views:
    1,400
    322bnh
    Aug 12, 2021
  38. joejbal

    65 Buick green powder coat

    joejbal, Jun 22, 2021
    Replies:
    6
    Views:
    478
    sore loser
    Aug 12, 2021
  39. Duly

    Nailhead coil voltage

    Duly, Feb 7, 2021
    Replies:
    5
    Views:
    567
    LARRY70GS
    Aug 11, 2021
  40. exchaoordo

    Is the main circuit breaker popping on my Nailhead?

    exchaoordo, Aug 2, 2021
    Replies:
    19
    Views:
    648
    telriv
    Aug 4, 2021
  41. Robin Cook

    Coolant in my oil! Help!!

    Robin Cook, Jul 30, 2021
    Replies:
    4
    Views:
    322
    telriv
    Jul 30, 2021
  42. Kendrick Singleton

    62 Electra Conversion

    Kendrick Singleton, Jul 17, 2021
    Replies:
    2
    Views:
    290
    John Codman
    Jul 29, 2021
  43. brycenel

    Rebuildable 55 322 heads

    brycenel, Jul 20, 2021
    Replies:
    3
    Views:
    246
    Scrappy
    Jul 29, 2021
  44. jshanks

    Shop that can do a valve job on 322.

    jshanks, Jun 30, 2021
    Replies:
    12
    Views:
    543
    Schurkey
    Jul 28, 2021
  45. GSFredsbuddy

    Crank Pulley for 1966 GS

    GSFredsbuddy, Apr 21, 2021
    Replies:
    11
    Views:
    577
    John Codman
    Jul 26, 2021
  46. Dragdoc

    364 with 401 crank

    Dragdoc, Jun 12, 2021 ... 2
    Replies:
    26
    Views:
    1,389
    John Codman
    Jul 23, 2021
  47. gs65

    Aluminum Valve covers

    gs65, Oct 5, 2020 ... 2
    Replies:
    27
    Views:
    2,219
    87GN@Tahoe
    Jul 11, 2021
  48. Brickwhite

    QuadraJet and Intake for 66 with an Auto

    Brickwhite, May 10, 2021 ... 2
    Replies:
    33
    Views:
    1,367
    John Codman
    Jul 5, 2021
  49. '65softtop4

    "65 GS 4 Speed Conversion?

    '65softtop4, Jul 1, 2021
    Replies:
    12
    Views:
    408
    '65softtop4
    Jul 3, 2021
  50. Brickwhite

    Correct Fuel filter on 66 401 Nail head

    Brickwhite, Jul 1, 2021
    Replies:
    0
    Views:
    316
    Brickwhite
    Jul 1, 2021
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