'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. Trikeman72

    62 Invicta 401 oil pressure low?

    Trikeman72, Oct 7, 2013 ... 2
    Replies:
    33
    Views:
    2,582
    Trikeman72
    Oct 19, 2013
  2. HULK

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

    HULK, Apr 10, 2012 ... 2
    Replies:
    33
    Views:
    3,638
    HULK
    Jun 7, 2012
  3. 66larkgs

    nailhead making some noise(cracked flywheel)

    66larkgs, May 2, 2011 ... 2
    Replies:
    33
    Views:
    4,722
    66larkgs
    Jun 12, 2011
  4. elvislives

    Wanna see something really cool?

    elvislives, Nov 13, 2009 ... 2
    Replies:
    33
    Views:
    3,272
    elvislives
    Mar 19, 2010
  5. bob k. mando

    Absolutely insane question, I know....

    bob k. mando, Jan 28, 2007 ... 2
    Replies:
    33
    Views:
    4,309
    cooterbfd
    Feb 26, 2010
  6. Wicked50

    Transmission ?????'s

    Wicked50, Dec 31, 2009 ... 2
    Replies:
    33
    Views:
    2,490
    Mr62Buick
    Jan 8, 2010
  7. buickbonehead

    '65 Wildcat X pipe...can you say WOT

    buickbonehead, Feb 14, 2006 ... 2
    Replies:
    33
    Views:
    2,667
    CameoInvicta
    Feb 23, 2009
  8. stg2NW

    Nailhead Head Porting

    stg2NW, Dec 14, 2008 ... 2
    Replies:
    33
    Views:
    8,938
    riv1964
    Feb 8, 2009
  9. sharkeymark

    New Nailheader

    sharkeymark, Dec 12, 2008 ... 2
    Replies:
    33
    Views:
    2,490
    sharkeymark
    Dec 17, 2008
  10. 66larkgs

    Turbocharged your Nailhead tips

    66larkgs, Jul 13, 2015 ... 2
    Replies:
    32
    Views:
    8,493
    MSharkey
    Jun 4, 2023
  11. 67Skybird

    Ignition timing 401 1966GS

    67Skybird, May 5, 2022 ... 2
    Replies:
    32
    Views:
    1,548
    Stevem
    Jun 9, 2022
  12. TexasJohn55

    One lifter noisy Only when really hot on highway

    TexasJohn55, Mar 4, 2017 ... 2
    Replies:
    32
    Views:
    2,528
    TexasJohn55
    Apr 10, 2017
  13. 4toe

    EELCO news

    4toe, Jan 5, 2015 ... 2
    Replies:
    32
    Views:
    6,460
    snake
    Jan 30, 2015
  14. CameoInvicta

    Finished the nitrous install

    CameoInvicta, Oct 12, 2014 ... 2
    Replies:
    32
    Views:
    5,316
    8ad-f85
    Oct 28, 2014
  15. jarrett

    Best head gasket for nailhead?

    jarrett, Nov 1, 2013 ... 2
    Replies:
    32
    Views:
    5,456
    sean Buick 76
    Nov 7, 2013
  16. 66larkgs

    t56 magnum behind nailhead

    66larkgs, Jun 12, 2011 ... 2
    Replies:
    32
    Views:
    6,213
    ecna
    Jul 29, 2011
  17. tysongross

    1964 nailhead to st300 questions...

    tysongross, Sep 25, 2010 ... 2
    Replies:
    32
    Views:
    4,393
    nekkidhillbilly
    Sep 29, 2010
  18. 1965GSDOUG

    NEED Nailhead Clutch Equalizer Boot !!

    1965GSDOUG, Jan 28, 2009 ... 2
    Replies:
    32
    Views:
    4,125
    wheelz
    Jul 23, 2010
  19. r0ckstarr

    Regular or Synthetic Oil - What are you using and why?

    r0ckstarr, May 25, 2009 ... 2
    Replies:
    32
    Views:
    4,045
    GSX-PKV
    Jun 16, 2009
  20. JESUPERCAT

    Nailhead Race Class 04

    JESUPERCAT, Feb 13, 2004 ... 2
    Replies:
    32
    Views:
    10,092
    sharkeymark
    Jan 31, 2009
  21. 436'd Skylark

    425 in a Skylark

    436'd Skylark, Oct 24, 2022 ... 2
    Replies:
    31
    Views:
    1,643
    John Codman
    May 16, 2023
  22. JZRIV

    Small Air Cleaners for Dual Quads - Source

    JZRIV, Aug 16, 2016 ... 2
    Replies:
    31
    Views:
    3,889
    marxjunk
    Oct 24, 2018
  23. 1966buickgs

    What is the best carburetor...

    1966buickgs, Oct 10, 2015 ... 2
    Replies:
    31
    Views:
    3,538
    Babeola
    Oct 30, 2015
  24. Aussie V8

    Nailhead ignition advice.

    Aussie V8, Sep 21, 2014 ... 2
    Replies:
    31
    Views:
    5,354
    Aussie V8
    Sep 28, 2014
  25. 36racin

    Nailhead Block ID

    36racin, May 19, 2013 ... 2
    Replies:
    31
    Views:
    4,874
    Roberta
    Jul 2, 2013
  26. Bigpig455

    Pure Stock Cam and Valvetrain rules

    Bigpig455, Jan 27, 2013 ... 2
    Replies:
    31
    Views:
    2,745
    Bigpig455
    Feb 3, 2013
  27. 66larkgs

    65-66 gs engine mount mod

    66larkgs, Jul 22, 2012 ... 2
    Replies:
    31
    Views:
    5,113
    66larkgs
    Aug 8, 2012
  28. Bigpig455

    Memorial Day - Lebanon Valley Dragway

    Bigpig455, May 31, 2011 ... 2
    Replies:
    31
    Views:
    4,052
    Bigpig455
    Jun 23, 2011
  29. Dan K

    Well, I need to find a good nailhead builder...again

    Dan K, Jan 5, 2011 ... 2
    Replies:
    31
    Views:
    4,481
    doc
    Apr 3, 2011
  30. 66electrafied

    Here's one for the tuning experts

    66electrafied, Sep 5, 2010 ... 2
    Replies:
    31
    Views:
    4,348
    66electrafied
    Sep 24, 2010
  31. CameoInvicta

    Pulling engine - where to hook chain to?

    CameoInvicta, Jan 18, 2010 ... 2
    Replies:
    31
    Views:
    10,154
    1967GS340
    Jan 23, 2010
  32. donut364

    Anyone use a Bendtsen's bell housing?

    donut364, Oct 17, 2009 ... 2
    Replies:
    31
    Views:
    2,212
    4toe
    Nov 2, 2009
  33. TAANK

    Dynaflow Transmissions

    TAANK, Sep 5, 2007 ... 2
    Replies:
    31
    Views:
    4,006
    TAANK
    Sep 26, 2007
  34. wkillgs

    Exhaust systems for 65-66 GS

    wkillgs, Nov 24, 2006 ... 2
    Replies:
    31
    Views:
    2,243
    staged67gspwr
    Dec 12, 2006
  35. Brian

    View of a '65 GS you don't see everyday

    Brian, Jul 10, 2003 ... 2
    Replies:
    31
    Views:
    2,334
    jaredyocum
    Oct 12, 2006
  36. nekkidhillbilly

    62 nailhead in 66 lark

    nekkidhillbilly, Nov 16, 2005 ... 2
    Replies:
    31
    Views:
    2,631
    nekkidhillbilly
    Sep 27, 2006
  37. newf

    valve problem?

    newf, Jul 8, 2006 ... 2
    Replies:
    31
    Views:
    1,910
    newf
    Jul 13, 2006
  38. 66_Buick_KId

    Dual Quad or single Quad?

    66_Buick_KId, Dec 29, 2003 ... 2
    Replies:
    31
    Views:
    2,332
    Damian Kolosik
    Jan 11, 2004
  39. 62electra225

    Quadrajet manifold for 401

    62electra225, Mar 5, 2003 ... 2
    Replies:
    31
    Views:
    3,714
    Smartin
    Apr 7, 2003
  40. Jess364

    750cfm too big?

    Jess364, Sep 7, 2023 ... 2
    Replies:
    30
    Views:
    1,251
    John Codman
    Mar 2, 2024
  41. robert caris

    1963 401 nailhead marine

    robert caris, Oct 22, 2017 ... 2
    Replies:
    30
    Views:
    3,782
    Schurkey
    Jul 2, 2019
  42. marxjunk

    nailhead supercharger intake

    marxjunk, Aug 11, 2018 ... 2
    Replies:
    30
    Views:
    2,353
    marxjunk
    Jun 28, 2019
  43. Kqqlcat

    Dual Quad Upgrade

    Kqqlcat, Dec 5, 2016 ... 2
    Replies:
    30
    Views:
    3,899
    Kqqlcat
    May 2, 2017
  44. jmos4

    X casting intake Manifold Aluminum Factory

    jmos4, Aug 30, 2013 ... 2
    Replies:
    30
    Views:
    7,182
    wkillgs
    Jan 28, 2015
  45. EIRE V8

    Is this too much slack?

    EIRE V8, Sep 7, 2014 ... 2
    Replies:
    30
    Views:
    4,672
    UntamedKitty
    Sep 18, 2014
  46. Aussie V8

    Rebuilding a 401

    Aussie V8, Jun 25, 2014 ... 2
    Replies:
    30
    Views:
    4,044
    Aussie V8
    Sep 11, 2014
  47. 66larkgs

    pulled nailhead apart again ..

    66larkgs, Jun 26, 2014 ... 2
    Replies:
    30
    Views:
    2,933
    66larkgs
    Jul 30, 2014
  48. 66BulldogGS

    Ignition recommendation for Nailhead build

    66BulldogGS, Mar 20, 2014 ... 2
    Replies:
    30
    Views:
    3,129
    66BulldogGS
    Mar 25, 2014
  49. asu_nate

    To Cam Or Not To Cam...

    asu_nate, Jun 2, 2012 ... 2
    Replies:
    30
    Views:
    2,826
    66gsconv
    Feb 28, 2013
  50. 66larkgs

    serpentine belt setup on nailhead?

    66larkgs, Aug 1, 2011 ... 2
    Replies:
    30
    Views:
    7,632
    66larkgs
    Dec 15, 2012
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