'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. Dragdoc

    Suggestions appreciated

    Dragdoc, Sep 28, 2018 ... 2
    Replies:
    27
    Views:
    2,107
    Mark Demko
    Jan 22, 2019
  2. 4toe

    Eelco warranty

    4toe, Feb 7, 2019
    Replies:
    0
    Views:
    463
    4toe
    Feb 7, 2019
  3. 4toe

    Nailhead facebook page

    4toe, Feb 9, 2019
    Replies:
    9
    Views:
    799
    1972Mach1
    Feb 12, 2019
  4. 300sbb_overkill

    Has anyone ever modified a 400/430/455 crank to install in a N/H?

    300sbb_overkill, Feb 11, 2019 ... 2
    Replies:
    20
    Views:
    3,615
    dual-quadism
    Feb 16, 2019
  5. 1966buickgs

    Rebuild original st300 or swap....

    1966buickgs, Feb 19, 2019
    Replies:
    15
    Views:
    863
    gsgtx
    Feb 20, 2019
  6. Bigpig455

    Offenhauser Q-Jet 2x4 Manifold

    Bigpig455, Feb 16, 2019
    Replies:
    7
    Views:
    737
    John Codman
    Mar 3, 2019
  7. Terry R

    Advice needed. 1965 401 engine noise?

    Terry R, Dec 19, 2018
    Replies:
    11
    Views:
    745
    Dadrider
    Mar 5, 2019
  8. Demolition man

    How to tell if 2x4 425 motor is factory

    Demolition man, Feb 26, 2019 ... 2
    Replies:
    20
    Views:
    1,464
    nailheadnut
    Mar 5, 2019
  9. GranSportSedan

    Found a 425

    GranSportSedan, Mar 3, 2019
    Replies:
    16
    Views:
    961
    nailheadnut
    Mar 7, 2019
  10. Bigpig455

    "Stone Soup" 401

    Bigpig455, Feb 9, 2019 ... 2 3 4
    Replies:
    70
    Views:
    3,848
    Bigpig455
    Mar 10, 2019
  11. wildcatsrule

    Anybody have a '64 parts book?

    wildcatsrule, Mar 13, 2019
    Replies:
    3
    Views:
    474
    wildcatsrule
    Mar 14, 2019
  12. DualQuad55

    Tom's 'roller rockers'

    DualQuad55, Dec 18, 2006 ... 11 12 13
    Replies:
    254
    Views:
    89,815
    telriv
    Mar 19, 2019
  13. GSBuick65

    ta roller rockers

    GSBuick65, Mar 22, 2019
    Replies:
    4
    Views:
    655
    GranSportSedan
    Mar 23, 2019
  14. Bammiller

    62 lesabre Generator issues

    Bammiller, Apr 21, 2019
    Replies:
    3
    Views:
    621
    Stevem
    Apr 23, 2019
  15. Nomad

    V8 flywheel

    Nomad, Jan 6, 2019
    Replies:
    13
    Views:
    1,065
    Wildcat GS
    Apr 24, 2019
  16. 67NorCalGS

    Want to add a temp gauge on my 61

    67NorCalGS, Apr 24, 2019
    Replies:
    16
    Views:
    1,001
    67NorCalGS
    Apr 25, 2019
  17. 67NorCalGS

    364 runs rough intermittently?

    67NorCalGS, Apr 24, 2019
    Replies:
    6
    Views:
    630
    67NorCalGS
    Apr 25, 2019
  18. gsman66

    Recommended coolant

    gsman66, Apr 13, 2019 ... 2
    Replies:
    20
    Views:
    1,646
    gsman66
    Apr 30, 2019
  19. cobravii

    WTB: 425 short blocks

    cobravii, Apr 30, 2019
    Replies:
    4
    Views:
    668
    cobravii
    May 6, 2019
  20. 56buickboy

    322 Nailhead flywheel options

    56buickboy, Apr 10, 2019
    Replies:
    5
    Views:
    1,098
    John Codman
    May 9, 2019
  21. john m

    timing gear on camshaft torque ?

    john m, May 16, 2019
    Replies:
    1
    Views:
    342
    LARRY70GS
    May 16, 2019
  22. Bigpig455

    Everyday Performance - 66 Q-Jet Choke Pull Off

    Bigpig455, May 21, 2019
    Replies:
    0
    Views:
    393
    Bigpig455
    May 21, 2019
  23. GranSportSedan

    telltale signs a nailhead hasnt been opened up?

    GranSportSedan, Apr 25, 2019
    Replies:
    17
    Views:
    980
    Mark Demko
    May 26, 2019
  24. john m

    401 camshaft

    john m, May 5, 2019
    Replies:
    14
    Views:
    877
    John Codman
    May 27, 2019
  25. Michael Sørensen

    425 dual quad rough running

    Michael Sørensen, Jun 9, 2019
    Replies:
    5
    Views:
    593
    Houmark
    Jun 11, 2019
  26. Dragdoc

    Engine dies when braking

    Dragdoc, Jun 25, 2019
    Replies:
    4
    Views:
    493
    doc
    Jun 26, 2019
  27. 1966buickgs

    401 nailhead original power steering pump...

    1966buickgs, Feb 26, 2019
    Replies:
    4
    Views:
    710
    doc
    Jun 26, 2019
  28. scoopyg

    Harmonic Balancer HELP!

    scoopyg, Apr 14, 2019
    Replies:
    11
    Views:
    952
    doc
    Jun 27, 2019
  29. marxjunk

    nailhead supercharger intake

    marxjunk, Aug 11, 2018 ... 2
    Replies:
    30
    Views:
    2,347
    marxjunk
    Jun 28, 2019
  30. marxjunk

    Deals still out there

    marxjunk, Jun 28, 2019
    Replies:
    5
    Views:
    567
    BYoung
    Jun 29, 2019
  31. Bigpig455

    Oil passage to rocker shaft

    Bigpig455, Jun 1, 2019
    Replies:
    5
    Views:
    581
    Bigpig455
    Jun 29, 2019
  32. 1966gs

    nailhead blower intake ?

    1966gs, Jun 12, 2019
    Replies:
    10
    Views:
    967
    roadrunnernz
    Jul 1, 2019
  33. robert caris

    1963 401 nailhead marine

    robert caris, Oct 22, 2017 ... 2
    Replies:
    30
    Views:
    3,778
    Schurkey
    Jul 2, 2019
  34. 120mm

    '53 322 with Triple Deuces

    120mm, Jul 2, 2019
    Replies:
    4
    Views:
    600
    12lives
    Jul 3, 2019
  35. Dragdoc

    1960 364

    Dragdoc, Apr 7, 2019
    Replies:
    7
    Views:
    935
    Dragdoc
    Jul 3, 2019
  36. 64xp715

    Switch Pitch in a ‘64 Riviera

    64xp715, Feb 20, 2019 ... 2
    Replies:
    28
    Views:
    2,466
    Schurkey
    Jul 7, 2019
  37. Mr62Wildcat

    Blown Nailhead for sale

    Mr62Wildcat, Jun 2, 2019
    Replies:
    15
    Views:
    2,172
    Fragzem
    Jul 15, 2019
  38. Matthew Rice

    Dual exhaust recomendations - 1964 Buick Wildcat convertible

    Matthew Rice, Sep 26, 2017 ... 2
    Replies:
    23
    Views:
    3,370
    gs66
    Jul 16, 2019
  39. Craig Balzer

    ID'ing 1965 Rivi GS

    Craig Balzer, Jul 17, 2019
    Replies:
    1
    Views:
    418
    cjp69
    Jul 17, 2019
  40. Fragzem

    Modern plugs any advantage?

    Fragzem, Jul 15, 2019
    Replies:
    7
    Views:
    795
    Johnny Angel
    Jul 18, 2019
  41. KustomKreeps

    401 Cam

    KustomKreeps, Jul 19, 2019
    Replies:
    4
    Views:
    716
    300sbb_overkill
    Jul 20, 2019
  42. Birdoprey

    Best timing settings for 401 Nailhead?

    Birdoprey, Dec 24, 2017
    Replies:
    16
    Views:
    2,862
    LARRY70GS
    Jul 26, 2019
  43. TerryH

    Help with 401 carb choice?!?!?

    TerryH, Jul 23, 2019
    Replies:
    4
    Views:
    585
    marxjunk
    Jul 27, 2019
  44. stellar

    how to rebuild a nailhead in less than 10 minutes

    stellar, Jul 30, 2019
    Replies:
    0
    Views:
    600
    stellar
    Jul 30, 2019
  45. Rahnz Wildcat

    Rocker Arm refresh

    Rahnz Wildcat, Jul 29, 2019
    Replies:
    2
    Views:
    565
    Rahnz Wildcat
    Jul 30, 2019
  46. GSBuick65

    New 401 ROSS PISTONS

    GSBuick65, Jul 25, 2019
    Replies:
    8
    Views:
    1,117
    GSBuick65
    Aug 7, 2019
  47. Fragzem

    Stalling when hot

    Fragzem, Aug 6, 2019
    Replies:
    7
    Views:
    459
    Fragzem
    Aug 9, 2019
  48. Century58

    1958 Century Oil Filter from 1959?

    Century58, Aug 9, 2019
    Replies:
    2
    Views:
    607
    Century58
    Aug 10, 2019
  49. jamhdit

    Grounding points

    jamhdit, Jul 27, 2019
    Replies:
    4
    Views:
    496
    John Codman
    Aug 12, 2019
  50. Tony Hadley

    Try to identfy that nailhead engine if its 401 or 425

    Tony Hadley, Aug 15, 2019
    Replies:
    4
    Views:
    893
    Wildcat GS
    Aug 17, 2019
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