'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. Bigpig455

    Excessive Fuel Pressure - 65 Gransport

    Bigpig455, Oct 3, 2010 ... 2 3 4
    Replies:
    61
    Views:
    3,806
    wkillgs
    Nov 10, 2010
  2. CameoInvicta

    Bad Rear Main Seal

    CameoInvicta, Apr 9, 2008 ... 2
    Replies:
    21
    Views:
    3,795
    German57Special
    Feb 26, 2009
  3. robert caris

    1963 401 nailhead marine

    robert caris, Oct 22, 2017 ... 2
    Replies:
    30
    Views:
    3,791
    Schurkey
    Jul 2, 2019
  4. doc

    My grand plan......be this......

    doc, Mar 14, 2011
    Replies:
    17
    Views:
    3,785
    TAANK
    Mar 17, 2011
  5. ecna

    Nailhead Dimensions

    ecna, Jul 3, 2011
    Replies:
    12
    Views:
    3,783
    John Codman
    Jul 28, 2011
  6. TKMBUICK

    Firing Order on a 401 Nailhead

    TKMBUICK, Jan 26, 2004
    Replies:
    3
    Views:
    3,777
    nailheadina67
    Jan 26, 2004
  7. itswill

    Piston rings for one piston

    itswill, Jul 18, 2016 ... 2
    Replies:
    35
    Views:
    3,774
    slosteve
    Dec 21, 2016
  8. 65skylark300

    Do your nails bite?

    65skylark300, Apr 19, 2014 ... 2
    Replies:
    29
    Views:
    3,773
    Bigpig455
    May 14, 2014
  9. Brody

    Dual Quad Switch Pitch TRans Help!

    Brody, May 1, 2008 ... 2
    Replies:
    27
    Views:
    3,770
    Brody
    May 7, 2008
  10. Herby

    manifold & spacer & edelbrock question

    Herby, May 20, 2007
    Replies:
    11
    Views:
    3,769
    chasanderson
    May 26, 2007
  11. littlegto64

    Bendtsen's Transmission Adapters

    littlegto64, Mar 17, 2004
    Replies:
    8
    Views:
    3,758
    Ronin
    Apr 4, 2004
  12. larkone

    65 is finshed

    larkone, May 8, 2006 ... 2 3
    Replies:
    50
    Views:
    3,753
    larkone
    Jul 19, 2006
  13. 1972 Stage 1

    1966 401 Nailhead value?

    1972 Stage 1, Mar 9, 2009
    Replies:
    13
    Views:
    3,733
    1965GSDOUG
    Mar 12, 2009
  14. Aussie V8

    Started putting new engine together

    Aussie V8, Jun 29, 2017 ... 2 3
    Replies:
    40
    Views:
    3,733
    Aussie V8
    Aug 18, 2017
  15. 62electra225

    Quadrajet manifold for 401

    62electra225, Mar 5, 2003 ... 2
    Replies:
    31
    Views:
    3,720
    Smartin
    Apr 7, 2003
  16. CTX-SLPR

    Crazy on the Nailhead

    CTX-SLPR, Jul 8, 2010
    Replies:
    12
    Views:
    3,716
    doc
    Jul 21, 2010
  17. JayZee88

    Ede 800 AVS2 or Holley 870 Street Avenger on 364 nailhead?

    JayZee88, Apr 18, 2020 ... 2 3
    Replies:
    55
    Views:
    3,709
    gs66
    Aug 9, 2023
  18. doc

    Winding down,,,,,

    doc, Dec 1, 2012 ... 2 3
    Replies:
    56
    Views:
    3,703
    Silver Bullet
    Dec 17, 2012
  19. 65rivkid

    401 nailhead performance parts?

    65rivkid, Dec 29, 2006
    Replies:
    8
    Views:
    3,697
    87GN@Tahoe
    Jan 3, 2007
  20. chriswildcat

    Found a crack in the Nailhead block

    chriswildcat, Sep 16, 2012 ... 2
    Replies:
    36
    Views:
    3,697
    chriswildcat
    Oct 1, 2012
  21. Deadsled59

    59 Buick Carter AFB NIGHTMARE

    Deadsled59, Nov 10, 2010 ... 2
    Replies:
    35
    Views:
    3,696
    bhambulldog
    Nov 13, 2010
  22. madmanadam

    Cam and Lifters 425 nailhead

    madmanadam, Jul 11, 2007
    Replies:
    11
    Views:
    3,676
    madmanadam
    Dec 18, 2007
  23. Ford_3_window

    RetroTek Speed Fuel Injection on Nailhead?

    Ford_3_window, May 28, 2009
    Replies:
    6
    Views:
    3,671
    Ford_3_window
    May 29, 2009
  24. WhiteRiviera

    Manifold vacuum port

    WhiteRiviera, Jan 26, 2010
    Replies:
    16
    Views:
    3,666
    funkyriv
    Feb 3, 2010
  25. 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:
    3,654
    dual-quadism
    Feb 16, 2019
  26. buickbonehead

    Tri-power air filter fit Buick 2x4?

    buickbonehead, Oct 8, 2004 ... 2
    Replies:
    23
    Views:
    3,649
    Mister T
    Jul 21, 2012
  27. HULK

    Do you have to change the points for a tune up? 66 425

    HULK, Apr 10, 2012 ... 2
    Replies:
    33
    Views:
    3,643
    HULK
    Jun 7, 2012
  28. BiziRivi

    Anyone force air into nailheads?

    BiziRivi, Apr 30, 2009
    Replies:
    14
    Views:
    3,631
    Fragzem
    May 13, 2009
  29. BuickStreet

    Build a Better Buick (Nailhead) - article.

    BuickStreet, Apr 30, 2003
    Replies:
    9
    Views:
    3,626
    BuickStreet
    May 7, 2003
  30. CameoInvicta

    ST300 Torque Converter

    CameoInvicta, Nov 9, 2012
    Replies:
    19
    Views:
    3,602
    gsgtx
    Nov 23, 2012
  31. 65skyHT

    Piece of Nailhead History?? Factory test intake??

    65skyHT, Nov 15, 2014
    Replies:
    12
    Views:
    3,595
    425 2X4 Nailhd
    Nov 17, 2014
  32. 56buickboy

    Exhaust manifold for 425 into 56 Buick

    56buickboy, Jul 24, 2011
    Replies:
    12
    Views:
    3,593
    KRB1956
    Mar 21, 2015
  33. freematt

    My New 215!

    freematt, Aug 7, 2002 ... 2
    Replies:
    20
    Views:
    3,592
    IgnitionMan
    Aug 19, 2002
  34. Rolf

    Nailhead powered Hot Rod is coming together

    Rolf, Aug 2, 2005
    Replies:
    13
    Views:
    3,590
    Rolf
    Aug 5, 2005
  35. Bigpig455

    Need advice - Nailhead noses over at revs...

    Bigpig455, Sep 8, 2012 ... 2 3
    Replies:
    51
    Views:
    3,589
    Bigpig455
    Oct 14, 2012
  36. gsgtx

    track numbers with the nailhead

    gsgtx, Apr 24, 2016 ... 2
    Replies:
    27
    Views:
    3,571
    gsgtx
    May 2, 2016
  37. JimW

    Engine parts via e-bay

    JimW, Feb 18, 2016 ... 2
    Replies:
    33
    Views:
    3,561
    nekkidhillbilly
    Feb 28, 2016
  38. super 225

    What causes blowbye

    super 225, Nov 30, 2004
    Replies:
    13
    Views:
    3,560
    Kiloton
    Jul 10, 2006
  39. 1966buickgs

    What is the best carburetor...

    1966buickgs, Oct 10, 2015 ... 2
    Replies:
    31
    Views:
    3,553
    Babeola
    Oct 30, 2015
  40. CameoInvicta

    Aftermarket Gauges

    CameoInvicta, Jul 30, 2007
    Replies:
    15
    Views:
    3,552
    SS-TRUCK
    Aug 4, 2007
  41. KDML

    Oil Galley Plug Removal

    KDML, Nov 17, 2011
    Replies:
    9
    Views:
    3,538
    KDML
    Nov 21, 2011
  42. doc

    Cam bearing reamer sticky.......

    doc, Nov 9, 2011
    Replies:
    8
    Views:
    3,538
    sean Buick 76
    Mar 31, 2014
  43. garybuick

    have any of you nailhead guys ever seen a 401 with a 3 speed manual trans?

    garybuick, Jun 12, 2016 ... 2
    Replies:
    21
    Views:
    3,529
    nailheadnut
    Jun 23, 2016
  44. buickbob1

    Demon carb on a NAILHEAD

    buickbob1, Jun 4, 2009 ... 2
    Replies:
    24
    Views:
    3,516
    CameoInvicta
    Jun 13, 2009
  45. william.ali.kay

    duals or single?

    william.ali.kay, Dec 14, 2009 ... 2
    Replies:
    24
    Views:
    3,511
    william.ali.kay
    Dec 17, 2009
  46. white72gs455

    Recommend a machine shop in Minnesota for a 322

    white72gs455, Nov 22, 2010 ... 2
    Replies:
    22
    Views:
    3,498
    TAANK
    Dec 5, 2010
  47. 425regal

    Dual Quad Intake Road Demon Jrs on 425 Nailhead

    425regal, Dec 31, 2005
    Replies:
    19
    Views:
    3,496
    425regal
    Jan 9, 2006
  48. yeriksso

    TH400 fit a - 63 401 Nailhead?

    yeriksso, Apr 2, 2007
    Replies:
    8
    Views:
    3,483
    CTX-SLPR
    Apr 4, 2007
  49. buick195646r

    Nailhead Dress-UP Engine Accessories

    buick195646r, Mar 30, 2006
    Replies:
    13
    Views:
    3,474
    chasanderson
    Apr 4, 2006
  50. custum65GS

    Cracked Block

    custum65GS, Apr 30, 2012
    Replies:
    16
    Views:
    3,469
    GSXMEN
    May 7, 2012
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