'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. Houmark

    Which heads and cam?

    Houmark, Mar 8, 2015 ... 3 4 5
    Replies:
    88
    Views:
    7,365
    Houmark
    Mar 23, 2015
  2. gsgtx

    do nailheads need special cams.

    gsgtx, Jul 10, 2017 ... 2 3 4
    Replies:
    74
    Views:
    7,358
    8ad-f85
    Aug 28, 2017
  3. 67SS427

    Rochester 4 Jet carb Identification

    67SS427, Oct 28, 2010
    Replies:
    5
    Views:
    7,356
    katz
    Jan 11, 2011
  4. RockinRiviDad

    Soaking Wet Noob here in So. Cal with tons of 401 nailhead Q's

    RockinRiviDad, Nov 26, 2012 ... 3 4 5
    Replies:
    86
    Views:
    7,287
    claude brooks
    Dec 12, 2018
  5. jmos4

    TA Performance Single 4V

    jmos4, Sep 7, 2021 ... 4 5 6
    Replies:
    108
    Views:
    7,269
    gsgtx
    Apr 29, 2024 at 3:29 PM
  6. mrbuick65

    Nailhead overheating

    mrbuick65, Feb 9, 2008 ... 2 3
    Replies:
    40
    Views:
    7,236
    doc
    Apr 13, 2008
  7. jmos4

    X casting intake Manifold Aluminum Factory

    jmos4, Aug 30, 2013 ... 2
    Replies:
    30
    Views:
    7,180
    wkillgs
    Jan 28, 2015
  8. 66larkgs

    turbo buick nailhead video

    66larkgs, May 11, 2013 ... 2 3 4
    Replies:
    60
    Views:
    7,140
    66larkgs
    Sep 22, 2013
  9. KDML

    My 401 Build Plan

    KDML, Jan 16, 2012 ... 2 3
    Replies:
    56
    Views:
    7,124
    KDML
    Oct 1, 2012
  10. PEMracingengine

    New CHI-TOWN Nailhead

    PEMracingengine, Jul 26, 2012 ... 2 3
    Replies:
    47
    Views:
    7,095
    PEMracingengine
    Mar 14, 2013
  11. coogan

    Finned 401 valve covers?

    coogan, Jul 30, 2007
    Replies:
    15
    Views:
    7,091
    elvislives
    Sep 3, 2010
  12. JZRIV

    Pump Up Lifters Before Install? Yes or No

    JZRIV, Feb 28, 2010
    Replies:
    13
    Views:
    7,085
    doc
    Mar 4, 2010
  13. 1966buickgs

    New rebuilt 401 overheating...

    1966buickgs, Apr 8, 2016 ... 2 3 4
    Replies:
    63
    Views:
    7,024
    gsgnnut
    May 1, 2016
  14. 66gsconv

    66 4 speed

    66gsconv, Jan 3, 2008 ... 2 3
    Replies:
    45
    Views:
    7,008
    gs66
    Nov 22, 2012
  15. Silver Bullet

    "Buick" finned aluminum valve covers

    Silver Bullet, Oct 21, 2009
    Replies:
    8
    Views:
    7,008
    SpecialWagon65
    Aug 30, 2010
  16. HULK

    fastest nailheads?

    HULK, Jul 8, 2008 ... 2 3
    Replies:
    50
    Views:
    6,958
    87GN@Tahoe
    Sep 11, 2008
  17. wkillgs

    In-car vid of 13.41 run in 66 GS

    wkillgs, Mar 17, 2013 ... 2 3 4
    Replies:
    68
    Views:
    6,926
    wkillgs
    Apr 4, 2015
  18. 4toe

    EELCO's new automatic transmission adapter

    4toe, Feb 6, 2010 ... 2
    Replies:
    29
    Views:
    6,849
    bhambulldog
    Apr 29, 2011
  19. Wicked50

    Gear Vendors vs 4L60E

    Wicked50, Aug 30, 2015 ... 2 3
    Replies:
    45
    Views:
    6,821
    8ad-f85
    Sep 8, 2015
  20. tysongross

    Starting old engines...

    tysongross, Nov 9, 2010 ... 2
    Replies:
    25
    Views:
    6,807
    bhambulldog
    Nov 14, 2010
  21. RUSTYNAIL

    Blown Nailhead

    RUSTYNAIL, Dec 14, 2007 ... 2
    Replies:
    29
    Views:
    6,775
    donut364
    Jan 10, 2010
  22. LAROKE

    322 Nailhead build with Latham supercharger induction

    LAROKE, Jul 8, 2021 ... 5 6 7
    Replies:
    126
    Views:
    6,765
    LAROKE
    Apr 26, 2024 at 5:21 AM
  23. BuickStreet

    Group Purchase - Crane Nailhead Roller Cam BLANKS!! - $150

    BuickStreet, Feb 26, 2003 ... 2
    Replies:
    20
    Views:
    6,748
    Dan K
    May 14, 2010
  24. 66gsconv

    carb spacer

    66gsconv, Feb 13, 2011 ... 2 3
    Replies:
    46
    Views:
    6,714
    CameoInvicta
    Mar 30, 2014
  25. 401Riviera

    400 hp, 500 tq .030 over 401?

    401Riviera, Oct 15, 2012 ... 2 3
    Replies:
    42
    Views:
    6,711
    GSBuick65
    Oct 30, 2012
  26. gmman63

    Hi perf parts for 63 401?

    gmman63, Mar 11, 2011 ... 2 3
    Replies:
    40
    Views:
    6,705
    bhambulldog
    Mar 21, 2011
  27. Brian

    Assembly of Mark Ascher's '65 GS 4-speed car

    Brian, Sep 25, 2007 ... 2 3
    Replies:
    53
    Views:
    6,704
    Mark Ascher
    Jan 15, 2008
  28. CameoInvicta

    Comp Cams Thumpr Install

    CameoInvicta, Apr 9, 2012 ... 2 3
    Replies:
    43
    Views:
    6,593
    CameoInvicta
    Jul 6, 2012
  29. mr62buick

    For those who have not seen a SUPERCHARGED Nailhead in awhile....

    mr62buick, Sep 23, 2012 ... 2
    Replies:
    39
    Views:
    6,590
    66larkgs
    Feb 21, 2013
  30. Wicked50

    Nailhead vs Big Block

    Wicked50, Jun 16, 2010 ... 2
    Replies:
    29
    Views:
    6,547
    doc
    Jun 23, 2010
  31. JESUPERCAT

    200" injected Nailhead FED

    JESUPERCAT, Mar 24, 2008 ... 2 3
    Replies:
    55
    Views:
    6,530
    Old Pueblo
    Oct 14, 2008
  32. wkillgs

    Nailhead piston pics

    wkillgs, Feb 19, 2011 ... 2
    Replies:
    28
    Views:
    6,516
    hudrod
    Mar 29, 2011
  33. 4toe

    EELCO news

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

    intake valves

    gsgtx, Nov 29, 2016 ... 2 3
    Replies:
    59
    Views:
    6,411
    gsgtx
    Jun 27, 2017
  35. DeVille

    Carter AFB idle screw?

    DeVille, Jul 14, 2007
    Replies:
    6
    Views:
    6,410
    doc
    Jul 30, 2007
  36. 66larkgs

    new eelco intake nailhead

    66larkgs, Sep 30, 2008 ... 2 3
    Replies:
    43
    Views:
    6,404
    CameoInvicta
    Dec 21, 2008
  37. CameoInvicta

    Is anybody actually interested in a serpentine setup?

    CameoInvicta, Jan 3, 2010 ... 2
    Replies:
    20
    Views:
    6,383
    CameoInvicta
    Jan 18, 2010
  38. garybuick

    Was the 401 nailhead available with 3 on the tree in 1959?

    garybuick, Jun 11, 2016 ... 2 3
    Replies:
    50
    Views:
    6,371
    doc
    Mar 16, 2017
  39. 65wildcater

    425 casting numbers

    65wildcater, Oct 11, 2013 ... 2
    Replies:
    25
    Views:
    6,347
    56buickboy
    Dec 10, 2013
  40. yacster

    Got It!!!!

    yacster, Aug 27, 2007 ... 2 3 4
    Replies:
    64
    Views:
    6,343
    yacster
    Apr 15, 2008
  41. 487nailhead

    Extensive Nailhead porting

    487nailhead, Aug 16, 2013 ... 2
    Replies:
    23
    Views:
    6,313
    66gsconv
    Sep 25, 2013
  42. Caveman

    Harmonic Balancer rebuilding, who is best ?

    Caveman, Nov 1, 2008
    Replies:
    8
    Views:
    6,303
    Caveman
    Dec 27, 2008
  43. NewSchool

    Sanderson Headers for my 63 Riviera

    NewSchool, Oct 17, 2016 ... 2 3
    Replies:
    46
    Views:
    6,253
    telriv
    Dec 21, 2016
  44. Herby

    ignition 401 nailhead timing

    Herby, Aug 24, 2013
    Replies:
    12
    Views:
    6,239
    LARRY70GS
    Aug 28, 2013
  45. Bigpig455

    New Motor

    Bigpig455, Jan 22, 2017 ... 2 3
    Replies:
    56
    Views:
    6,235
    Bigpig455
    Dec 11, 2022
  46. johntdaddy

    425 Performance and Carburetor questions/ HELP!

    johntdaddy, Jan 28, 2014 ... 2
    Replies:
    26
    Views:
    6,220
    techg8
    Mar 19, 2014
  47. 66larkgs

    t56 magnum behind nailhead

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

    ? on edelbrock carb for nailhead

    TAANK, Aug 29, 2007 ... 2
    Replies:
    37
    Views:
    6,187
    Bill Bailey
    Aug 3, 2008
  49. Nailhead Newby

    First Project - 61' Invicta custom. What do think?

    Nailhead Newby, Aug 24, 2007 ... 2
    Replies:
    35
    Views:
    6,187
    Nailhead Newby
    Aug 15, 2014
  50. kcombs

    401 fuel mileage?

    kcombs, May 29, 2008 ... 2
    Replies:
    20
    Views:
    6,179
    Mr62Buick
    Jul 19, 2008
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