'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. Michael Sørensen

    425 dual quad rough running

    Michael Sørensen, Jun 9, 2019
    Replies:
    5
    Views:
    603
    Houmark
    Jun 11, 2019
  2. Mr62Wildcat

    Blown Nailhead for sale

    Mr62Wildcat, Jun 2, 2019
    Replies:
    15
    Views:
    2,211
    Fragzem
    Jul 15, 2019
  3. Bigpig455

    Oil passage to rocker shaft

    Bigpig455, Jun 1, 2019
    Replies:
    5
    Views:
    589
    Bigpig455
    Jun 29, 2019
  4. Bigpig455

    66GSConv passed away today

    Bigpig455, May 28, 2019 ... 2
    Replies:
    25
    Views:
    2,209
    telriv
    Oct 5, 2019
  5. DEADMANSCURVE

    '56 322 4bbl intake - question

    DEADMANSCURVE, May 28, 2019
    Replies:
    5
    Views:
    730
    flynbuick
    Nov 10, 2019
  6. Bigpig455

    Everyday Performance - 66 Q-Jet Choke Pull Off

    Bigpig455, May 21, 2019
    Replies:
    0
    Views:
    396
    Bigpig455
    May 21, 2019
  7. john m

    timing gear on camshaft torque ?

    john m, May 16, 2019
    Replies:
    1
    Views:
    347
    LARRY70GS
    May 16, 2019
  8. john m

    401 camshaft

    john m, May 5, 2019
    Replies:
    14
    Views:
    884
    John Codman
    May 27, 2019
  9. cobravii

    WTB: 425 short blocks

    cobravii, Apr 30, 2019
    Replies:
    4
    Views:
    677
    cobravii
    May 6, 2019
  10. GranSportSedan

    telltale signs a nailhead hasnt been opened up?

    GranSportSedan, Apr 25, 2019
    Replies:
    17
    Views:
    986
    Mark Demko
    May 26, 2019
  11. 67NorCalGS

    364 runs rough intermittently?

    67NorCalGS, Apr 24, 2019
    Replies:
    6
    Views:
    638
    67NorCalGS
    Apr 25, 2019
  12. 67NorCalGS

    Want to add a temp gauge on my 61

    67NorCalGS, Apr 24, 2019
    Replies:
    16
    Views:
    1,016
    67NorCalGS
    Apr 25, 2019
  13. Bammiller

    62 lesabre Generator issues

    Bammiller, Apr 21, 2019
    Replies:
    3
    Views:
    629
    Stevem
    Apr 23, 2019
  14. scoopyg

    Harmonic Balancer HELP!

    scoopyg, Apr 14, 2019
    Replies:
    11
    Views:
    967
    doc
    Jun 27, 2019
  15. gsman66

    Recommended coolant

    gsman66, Apr 13, 2019 ... 2
    Replies:
    20
    Views:
    1,659
    gsman66
    Apr 30, 2019
  16. 56buickboy

    322 Nailhead flywheel options

    56buickboy, Apr 10, 2019
    Replies:
    5
    Views:
    1,126
    John Codman
    May 9, 2019
  17. Dragdoc

    1960 364

    Dragdoc, Apr 7, 2019
    Replies:
    7
    Views:
    943
    Dragdoc
    Jul 3, 2019
  18. GSBuick65

    ta roller rockers

    GSBuick65, Mar 22, 2019
    Replies:
    4
    Views:
    664
    GranSportSedan
    Mar 23, 2019
  19. Bigpig455

    401 Build Continued..

    Bigpig455, Mar 17, 2019 ... 4 5 6
    Replies:
    111
    Views:
    8,665
    gs66
    Jan 20, 2020
  20. wildcatsrule

    Anybody have a '64 parts book?

    wildcatsrule, Mar 13, 2019
    Replies:
    3
    Views:
    479
    wildcatsrule
    Mar 14, 2019
  21. GranSportSedan

    Found a 425

    GranSportSedan, Mar 3, 2019
    Replies:
    16
    Views:
    969
    nailheadnut
    Mar 7, 2019
  22. Demolition man

    How to tell if 2x4 425 motor is factory

    Demolition man, Feb 26, 2019 ... 2
    Replies:
    20
    Views:
    1,491
    nailheadnut
    Mar 5, 2019
  23. 1966buickgs

    401 nailhead original power steering pump...

    1966buickgs, Feb 26, 2019
    Replies:
    4
    Views:
    718
    doc
    Jun 26, 2019
  24. 64xp715

    Switch Pitch in a ‘64 Riviera

    64xp715, Feb 20, 2019 ... 2
    Replies:
    28
    Views:
    2,506
    Schurkey
    Jul 7, 2019
  25. 1966buickgs

    Rebuild original st300 or swap....

    1966buickgs, Feb 19, 2019
    Replies:
    15
    Views:
    890
    gsgtx
    Feb 20, 2019
  26. Bigpig455

    Offenhauser Q-Jet 2x4 Manifold

    Bigpig455, Feb 16, 2019
    Replies:
    7
    Views:
    741
    John Codman
    Mar 3, 2019
  27. 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:
    3,671
    dual-quadism
    Feb 16, 2019
  28. 4toe

    Nailhead facebook page

    4toe, Feb 9, 2019
    Replies:
    9
    Views:
    810
    1972Mach1
    Feb 12, 2019
  29. Bigpig455

    "Stone Soup" 401

    Bigpig455, Feb 9, 2019 ... 2 3 4
    Replies:
    70
    Views:
    3,913
    Bigpig455
    Mar 10, 2019
  30. 4toe

    Eelco warranty

    4toe, Feb 7, 2019
    Replies:
    0
    Views:
    467
    4toe
    Feb 7, 2019
  31. The Big Guy

    Let's see those nailhead engine bays

    The Big Guy, Feb 1, 2019 ... 5 6 7
    Replies:
    121
    Views:
    12,595
    Kevallino
    Mar 13, 2023
  32. Steven A

    WTB: CARTER AFB CARB 65 buick

    Steven A, Jan 11, 2019
    Replies:
    3
    Views:
    515
    Steven A
    Jan 13, 2019
  33. Nomad

    V8 flywheel

    Nomad, Jan 6, 2019
    Replies:
    13
    Views:
    1,075
    Wildcat GS
    Apr 24, 2019
  34. GKMoz

    +Greatscat has Nailhead parts for sale

    GKMoz, Jan 5, 2019
    Replies:
    0
    Views:
    584
    GKMoz
    Jan 5, 2019
  35. BuickSpecial41

    Putting a '62 401 in my 55 Special

    BuickSpecial41, Jan 2, 2019 ... 2
    Replies:
    21
    Views:
    1,584
    Gary Bohannon
    Jan 27, 2020
  36. Terry R

    Advice needed. 1965 401 engine noise?

    Terry R, Dec 19, 2018
    Replies:
    11
    Views:
    751
    Dadrider
    Mar 5, 2019
  37. 64xp715

    Nailhead in Texas

    64xp715, Dec 15, 2018
    Replies:
    14
    Views:
    1,125
    gsman66
    Jan 15, 2019
  38. claude brooks

    simon.crumb

    claude brooks, Dec 12, 2018
    Replies:
    1
    Views:
    459
    claude brooks
    Dec 13, 2018
  39. 50nailbox

    Transmission help

    50nailbox, Dec 11, 2018
    Replies:
    14
    Views:
    808
    LARRY70GS
    Dec 13, 2018
  40. Skcor

    Rear main bolts

    Skcor, Dec 11, 2018
    Replies:
    4
    Views:
    490
    telriv
    Dec 15, 2018
  41. john m

    401 spreadbore intake manifold price

    john m, Dec 2, 2018
    Replies:
    16
    Views:
    762
    gs66
    Dec 9, 2018
  42. john m

    thm 400 kickdown switch

    john m, Dec 2, 2018
    Replies:
    5
    Views:
    476
    Wildcat GS
    Dec 6, 2018
  43. Timberjack

    65 Riviera GS - Engine production code stamping

    Timberjack, Nov 30, 2018
    Replies:
    7
    Views:
    407
    LARRY70GS
    Nov 30, 2018
  44. Steven A

    WTB: CARTER AFB CARB

    Steven A, Nov 28, 2018
    Replies:
    6
    Views:
    462
    Steven A
    Nov 30, 2018
  45. woodchuck2

    401 rebuild

    woodchuck2, Nov 23, 2018 ... 2
    Replies:
    34
    Views:
    2,569
    Aussie V8
    Jan 8, 2019
  46. marxjunk

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

    marxjunk, Nov 20, 2018
    Replies:
    11
    Views:
    770
    marxjunk
    Dec 5, 2018
  47. 4toe

    EELCO Christmas special

    4toe, Nov 19, 2018
    Replies:
    0
    Views:
    622
    4toe
    Nov 19, 2018
  48. Skezix

    66GS with nail fuel line clearance

    Skezix, Nov 15, 2018
    Replies:
    11
    Views:
    460
    TrunkMonkey
    Nov 15, 2018
  49. Kurt Larsen

    Engine swapping.

    Kurt Larsen, Nov 3, 2018 ... 2
    Replies:
    29
    Views:
    1,800
    PGSS
    Nov 4, 2019
  50. tobyj1975

    Nailhead Dual Quad Intake Manifold

    tobyj1975, Nov 2, 2018
    Replies:
    3
    Views:
    872
    gsfred
    Nov 20, 2018
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