'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. marxjunk

    HAS ANYONE SEEN M/T SUPERSCAVENGERS FOR A NAILHEAD?

    marxjunk, Aug 15, 2018
    Replies:
    11
    Views:
    936
    66kooch
    Aug 20, 2018
  2. Bib Overhalls

    364 Carb Recommendation.

    Bib Overhalls, Aug 17, 2018
    Replies:
    1
    Views:
    339
    marxjunk
    Aug 17, 2018
  3. Markmc

    Overheating 401 during break in

    Markmc, Aug 26, 2018 ... 2
    Replies:
    29
    Views:
    1,968
    Markmc
    Oct 11, 2018
  4. bhemi

    Newbie to nailheads - Porting question

    bhemi, Aug 28, 2018
    Replies:
    4
    Views:
    589
    John Codman
    Aug 29, 2018
  5. gsgtx

    TA headers vs GSCA headers

    gsgtx, Aug 28, 2018
    Replies:
    16
    Views:
    1,543
    gsgtx
    Oct 10, 2018
  6. mark fox

    tolerances??

    mark fox, Sep 3, 2018
    Replies:
    3
    Views:
    650
    Schurkey
    Sep 13, 2018
  7. gsgtx

    went from stock exhaust manifolds to long tube headers

    gsgtx, Sep 10, 2018 ... 2
    Replies:
    23
    Views:
    2,380
    gsgtx
    Aug 27, 2022
  8. Dragdoc

    Suggestions appreciated

    Dragdoc, Sep 28, 2018 ... 2
    Replies:
    27
    Views:
    2,117
    Mark Demko
    Jan 22, 2019
  9. 56Roadi

    1963 Rivi engine parts color

    56Roadi, Sep 29, 2018
    Replies:
    3
    Views:
    481
    56Roadi
    Oct 4, 2018
  10. 56Roadi

    Replacement of oil pump pressure valve spring (425 from a 63 Riv)

    56Roadi, Oct 13, 2018
    Replies:
    7
    Views:
    679
    56Roadi
    Oct 16, 2018
  11. Dragdoc

    More help

    Dragdoc, Oct 15, 2018
    Replies:
    7
    Views:
    708
    marxjunk
    Nov 10, 2019
  12. JosephQatarcarguy

    1966 buick skylark GS Qatar

    JosephQatarcarguy, Oct 17, 2018
    Replies:
    5
    Views:
    774
    Dennis S
    Oct 28, 2018
  13. Demolition man

    401 short block $100

    Demolition man, Nov 1, 2018
    Replies:
    11
    Views:
    966
    Demolition man
    Nov 23, 2018
  14. tobyj1975

    Nailhead Dual Quad Intake Manifold

    tobyj1975, Nov 2, 2018
    Replies:
    3
    Views:
    866
    gsfred
    Nov 20, 2018
  15. Kurt Larsen

    Engine swapping.

    Kurt Larsen, Nov 3, 2018 ... 2
    Replies:
    29
    Views:
    1,786
    PGSS
    Nov 4, 2019
  16. Skezix

    66GS with nail fuel line clearance

    Skezix, Nov 15, 2018
    Replies:
    11
    Views:
    459
    TrunkMonkey
    Nov 15, 2018
  17. 4toe

    EELCO Christmas special

    4toe, Nov 19, 2018
    Replies:
    0
    Views:
    620
    4toe
    Nov 19, 2018
  18. marxjunk

    does someone repop this little arm for a rear carb on 2x4

    marxjunk, Nov 20, 2018
    Replies:
    11
    Views:
    766
    marxjunk
    Dec 5, 2018
  19. woodchuck2

    401 rebuild

    woodchuck2, Nov 23, 2018 ... 2
    Replies:
    34
    Views:
    2,556
    Aussie V8
    Jan 8, 2019
  20. Steven A

    WTB: CARTER AFB CARB

    Steven A, Nov 28, 2018
    Replies:
    6
    Views:
    460
    Steven A
    Nov 30, 2018
  21. Timberjack

    65 Riviera GS - Engine production code stamping

    Timberjack, Nov 30, 2018
    Replies:
    7
    Views:
    406
    LARRY70GS
    Nov 30, 2018
  22. john m

    thm 400 kickdown switch

    john m, Dec 2, 2018
    Replies:
    5
    Views:
    474
    Wildcat GS
    Dec 6, 2018
  23. john m

    401 spreadbore intake manifold price

    john m, Dec 2, 2018
    Replies:
    16
    Views:
    759
    gs66
    Dec 9, 2018
  24. Skcor

    Rear main bolts

    Skcor, Dec 11, 2018
    Replies:
    4
    Views:
    488
    telriv
    Dec 15, 2018
  25. 50nailbox

    Transmission help

    50nailbox, Dec 11, 2018
    Replies:
    14
    Views:
    800
    LARRY70GS
    Dec 13, 2018
  26. claude brooks

    simon.crumb

    claude brooks, Dec 12, 2018
    Replies:
    1
    Views:
    457
    claude brooks
    Dec 13, 2018
  27. 64xp715

    Nailhead in Texas

    64xp715, Dec 15, 2018
    Replies:
    14
    Views:
    1,117
    gsman66
    Jan 15, 2019
  28. Terry R

    Advice needed. 1965 401 engine noise?

    Terry R, Dec 19, 2018
    Replies:
    11
    Views:
    747
    Dadrider
    Mar 5, 2019
  29. BuickSpecial41

    Putting a '62 401 in my 55 Special

    BuickSpecial41, Jan 2, 2019 ... 2
    Replies:
    21
    Views:
    1,557
    Gary Bohannon
    Jan 27, 2020
  30. GKMoz

    +Greatscat has Nailhead parts for sale

    GKMoz, Jan 5, 2019
    Replies:
    0
    Views:
    582
    GKMoz
    Jan 5, 2019
  31. Nomad

    V8 flywheel

    Nomad, Jan 6, 2019
    Replies:
    13
    Views:
    1,069
    Wildcat GS
    Apr 24, 2019
  32. Steven A

    WTB: CARTER AFB CARB 65 buick

    Steven A, Jan 11, 2019
    Replies:
    3
    Views:
    514
    Steven A
    Jan 13, 2019
  33. The Big Guy

    Let's see those nailhead engine bays

    The Big Guy, Feb 1, 2019 ... 5 6 7
    Replies:
    121
    Views:
    12,355
    Kevallino
    Mar 13, 2023
  34. 4toe

    Eelco warranty

    4toe, Feb 7, 2019
    Replies:
    0
    Views:
    466
    4toe
    Feb 7, 2019
  35. Bigpig455

    "Stone Soup" 401

    Bigpig455, Feb 9, 2019 ... 2 3 4
    Replies:
    70
    Views:
    3,879
    Bigpig455
    Mar 10, 2019
  36. 4toe

    Nailhead facebook page

    4toe, Feb 9, 2019
    Replies:
    9
    Views:
    805
    1972Mach1
    Feb 12, 2019
  37. 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:
    3,631
    dual-quadism
    Feb 16, 2019
  38. Bigpig455

    Offenhauser Q-Jet 2x4 Manifold

    Bigpig455, Feb 16, 2019
    Replies:
    7
    Views:
    739
    John Codman
    Mar 3, 2019
  39. 1966buickgs

    Rebuild original st300 or swap....

    1966buickgs, Feb 19, 2019
    Replies:
    15
    Views:
    880
    gsgtx
    Feb 20, 2019
  40. 64xp715

    Switch Pitch in a ‘64 Riviera

    64xp715, Feb 20, 2019 ... 2
    Replies:
    28
    Views:
    2,488
    Schurkey
    Jul 7, 2019
  41. 1966buickgs

    401 nailhead original power steering pump...

    1966buickgs, Feb 26, 2019
    Replies:
    4
    Views:
    712
    doc
    Jun 26, 2019
  42. Demolition man

    How to tell if 2x4 425 motor is factory

    Demolition man, Feb 26, 2019 ... 2
    Replies:
    20
    Views:
    1,477
    nailheadnut
    Mar 5, 2019
  43. GranSportSedan

    Found a 425

    GranSportSedan, Mar 3, 2019
    Replies:
    16
    Views:
    967
    nailheadnut
    Mar 7, 2019
  44. wildcatsrule

    Anybody have a '64 parts book?

    wildcatsrule, Mar 13, 2019
    Replies:
    3
    Views:
    478
    wildcatsrule
    Mar 14, 2019
  45. Bigpig455

    401 Build Continued..

    Bigpig455, Mar 17, 2019 ... 4 5 6
    Replies:
    111
    Views:
    8,559
    gs66
    Jan 20, 2020
  46. GSBuick65

    ta roller rockers

    GSBuick65, Mar 22, 2019
    Replies:
    4
    Views:
    660
    GranSportSedan
    Mar 23, 2019
  47. Dragdoc

    1960 364

    Dragdoc, Apr 7, 2019
    Replies:
    7
    Views:
    939
    Dragdoc
    Jul 3, 2019
  48. 56buickboy

    322 Nailhead flywheel options

    56buickboy, Apr 10, 2019
    Replies:
    5
    Views:
    1,105
    John Codman
    May 9, 2019
  49. gsman66

    Recommended coolant

    gsman66, Apr 13, 2019 ... 2
    Replies:
    20
    Views:
    1,653
    gsman66
    Apr 30, 2019
  50. scoopyg

    Harmonic Balancer HELP!

    scoopyg, Apr 14, 2019
    Replies:
    11
    Views:
    961
    doc
    Jun 27, 2019
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