'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. '65softtop4

    '65 GS, 401, 4 Gear Flywheel

    '65softtop4, Jun 23, 2021
    Replies:
    7
    Views:
    346
    SpecialWagon65
    Jun 25, 2021
  2. GKMoz

    Nailhead origins

    GKMoz, May 23, 2021
    Replies:
    7
    Views:
    574
    cooterbfd
    Jun 23, 2021
  3. suntreemcanic

    Vibration

    suntreemcanic, Nov 20, 2020
    Replies:
    14
    Views:
    834
    sean Buick 76
    Jun 16, 2021
  4. funkyriv

    Broke 425 block

    funkyriv, May 26, 2021
    Replies:
    14
    Views:
    739
    Tom B.
    Jun 16, 2021
  5. jmos4

    T-Stat Gasket PN?

    jmos4, May 13, 2021
    Replies:
    6
    Views:
    343
    John Codman
    Jun 10, 2021
  6. CTWildcat

    63 Wildcat water pump bolts etc...

    CTWildcat, Mar 31, 2021 ... 2
    Replies:
    25
    Views:
    1,058
    CTWildcat
    Jun 2, 2021
  7. Simon_Cabron

    1963 Rivera Oil Pan extinct?

    Simon_Cabron, May 18, 2021
    Replies:
    1
    Views:
    232
    dual-quadism
    May 19, 2021
  8. Brickwhite

    Thermostat housing broken bolt

    Brickwhite, Apr 28, 2021
    Replies:
    6
    Views:
    908
    Max Damage
    Apr 30, 2021
  9. Horsman

    Air cleaner tin/decal

    Horsman, Apr 24, 2021
    Replies:
    2
    Views:
    845
    Ray Morrison
    Apr 26, 2021
  10. gsgtx

    1966 gs 4-speed convertible

    gsgtx, Apr 17, 2021
    Replies:
    7
    Views:
    1,027
    Scrappy
    Apr 25, 2021
  11. GSFredsbuddy

    1966 GS fuel filter bracket

    GSFredsbuddy, Apr 19, 2021
    Replies:
    2
    Views:
    746
    Horsman
    Apr 24, 2021
  12. Horsman

    Timing cover bolt 66 GS

    Horsman, Apr 19, 2021
    Replies:
    5
    Views:
    844
    Horsman
    Apr 20, 2021
  13. Aussie V8

    Quadrajet carb / manifold

    Aussie V8, Apr 12, 2021
    Replies:
    5
    Views:
    906
    DaWildcat
    Apr 13, 2021
  14. Donuts & Peelouts

    Nailhead colors red/green

    Donuts & Peelouts, Dec 28, 2019 ... 2
    Replies:
    37
    Views:
    4,403
    1972Mach1
    Apr 7, 2021
  15. mechman_22

    671 blower manifold

    mechman_22, Apr 1, 2021
    Replies:
    5
    Views:
    954
    mechman_22
    Apr 5, 2021
  16. 64 wildcat conv

    Oil cap gasket for use with repro cast aluminum VC

    64 wildcat conv, Mar 27, 2021
    Replies:
    4
    Views:
    442
    gsgtx
    Mar 31, 2021
  17. Fragzem

    Idle RPM misfire

    Fragzem, Aug 8, 2020 ... 2
    Replies:
    24
    Views:
    1,867
    Fragzem
    Mar 25, 2021
  18. GSFredsbuddy

    1966 GS Wiring

    GSFredsbuddy, Mar 12, 2021
    Replies:
    15
    Views:
    640
    Jframe
    Mar 19, 2021
  19. Chune

    n00b question from a 57 year old

    Chune, Feb 28, 2021
    Replies:
    4
    Views:
    326
    gsgtx
    Mar 1, 2021
  20. tmillsr

    1961 le sabre 364 headers? Has has anyone tried headers in a 61

    tmillsr, Feb 23, 2021
    Replies:
    2
    Views:
    252
    tmillsr
    Feb 24, 2021
  21. Bryan C. Robertson

    425 Nailhead no crank so no start

    Bryan C. Robertson, Feb 23, 2021
    Replies:
    11
    Views:
    501
    65GSConv4sp
    Feb 24, 2021
  22. Dragdoc

    Generator to alternator

    Dragdoc, Sep 2, 2020
    Replies:
    7
    Views:
    662
    tmillsr
    Feb 23, 2021
  23. GSFredsbuddy

    401 Auto going to a 4 speed

    GSFredsbuddy, Feb 14, 2021
    Replies:
    3
    Views:
    418
    John Codman
    Feb 23, 2021
  24. GSFredsbuddy

    Lower Radiator hose

    GSFredsbuddy, Feb 20, 2021
    Replies:
    1
    Views:
    280
    GS Spoken Here
    Feb 20, 2021
  25. SkylarkNut

    Need lower radiator hose for 66 Skylark GS

    SkylarkNut, Mar 24, 2005
    Replies:
    6
    Views:
    1,697
    GS Spoken Here
    Feb 20, 2021
  26. Houmark

    Radiator interchange..

    Houmark, Feb 13, 2021
    Replies:
    10
    Views:
    457
    Houmark
    Feb 15, 2021
  27. GSFredsbuddy

    66 GS four speed crossmember advice needed

    GSFredsbuddy, Feb 6, 2021
    Replies:
    13
    Views:
    521
    jmos4
    Feb 10, 2021
  28. Michael Neville

    Fan Blade 401

    Michael Neville, Jan 25, 2021
    Replies:
    10
    Views:
    618
    Michael Neville
    Jan 30, 2021
  29. Dan Hach

    Distributor endplay for a Nailhead

    Dan Hach, Jan 26, 2021
    Replies:
    9
    Views:
    449
    philbquick
    Jan 29, 2021
  30. 66rivnail

    Nailhead rocker assembly question

    66rivnail, Jan 9, 2021
    Replies:
    3
    Views:
    461
    telriv
    Jan 27, 2021
  31. jhoppeolds

    This is what a Wisconsin winter and not enough antifreeze does to your nailhead

    jhoppeolds, Jul 19, 2020
    Replies:
    19
    Views:
    1,252
    Stevem
    Jan 27, 2021
  32. Dan Hach

    Lubricant cup under distributor points plate

    Dan Hach, Jan 21, 2021
    Replies:
    2
    Views:
    255
    Dan Hach
    Jan 21, 2021
  33. GSFredsbuddy

    66 GS 401 / 4 speed

    GSFredsbuddy, Jan 19, 2021
    Replies:
    4
    Views:
    459
    philbquick
    Jan 19, 2021
  34. Chune

    200 4R Trans

    Chune, Dec 13, 2020
    Replies:
    15
    Views:
    1,086
    nekkidhillbilly
    Jan 18, 2021
  35. JOHN NYSTROM

    Nail power

    JOHN NYSTROM, Jan 4, 2021
    Replies:
    11
    Views:
    719
    Dan Hach
    Jan 15, 2021
  36. lbrod

    65 Skylark GS cam

    lbrod, Dec 23, 2020
    Replies:
    2
    Views:
    365
    lbrod
    Dec 23, 2020
  37. Roycroft

    322 Manual Transmission Options

    Roycroft, Jul 20, 2020
    Replies:
    11
    Views:
    1,465
    Dragdoc
    Dec 7, 2020
  38. JOHN NYSTROM

    Carb Options for a 63 401

    JOHN NYSTROM, Dec 6, 2020
    Replies:
    5
    Views:
    339
    1972Mach1
    Dec 7, 2020
  39. Chuck Bridges

    Oil Pressure Question

    Chuck Bridges, Nov 5, 2020
    Replies:
    16
    Views:
    782
    telriv
    Nov 16, 2020
  40. Duly

    Rocker arm oil splash guard 401 nailhead

    Duly, Sep 16, 2020
    Replies:
    6
    Views:
    691
    66GSconv.
    Nov 6, 2020
  41. Gavin Rewell

    1964 Riviera 425 Edelbrock 750

    Gavin Rewell, Oct 25, 2020
    Replies:
    4
    Views:
    391
    Lobucrod
    Oct 25, 2020
  42. Dan Hach

    Milling deck and heads

    Dan Hach, Oct 22, 2020
    Replies:
    3
    Views:
    399
    Stevem
    Oct 23, 2020
  43. Svperhate

    Problem with riviera 465 wildcat

    Svperhate, Oct 15, 2020 ... 2
    Replies:
    21
    Views:
    1,133
    Dan Hach
    Oct 22, 2020
  44. Lobucrod

    Nailhead question

    Lobucrod, Oct 6, 2020
    Replies:
    9
    Views:
    761
    PGSS
    Oct 18, 2020
  45. The Big Guy

    Which GM oil filter for 401?

    The Big Guy, Sep 26, 2020
    Replies:
    4
    Views:
    1,151
    BamaWildcat
    Oct 9, 2020
  46. bcoyour

    Car sputters and dies after driving for about 10 mins.

    bcoyour, Sep 30, 2020
    Replies:
    12
    Views:
    1,343
    LARRY70GS
    Oct 1, 2020
  47. 73BuickEstate

    Coolant on top of engine

    73BuickEstate, Sep 27, 2020
    Replies:
    7
    Views:
    390
    73BuickEstate
    Sep 29, 2020
  48. Doomsday Graphix

    Simple Wiring Question

    Doomsday Graphix, Sep 25, 2020
    Replies:
    4
    Views:
    329
    LARRY70GS
    Sep 25, 2020
  49. Dragdoc

    Starter relay

    Dragdoc, Sep 22, 2020
    Replies:
    0
    Views:
    347
    Dragdoc
    Sep 22, 2020
  50. 18CEOD

    Motors three, which should it be...364,401 or 425?

    18CEOD, Apr 13, 2020 ... 2
    Replies:
    27
    Views:
    1,660
    John Codman
    Sep 19, 2020
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