'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:
    7,350
    Houmark
    Mar 23, 2015
  2. 67SS427

    Rochester 4 Jet carb Identification

    67SS427, Oct 28, 2010
    Replies:
    5
    Views:
    7,349
    katz
    Jan 11, 2011
  3. gsgtx

    do nailheads need special cams.

    gsgtx, Jul 10, 2017 ... 2 3 4
    Replies:
    74
    Views:
    7,319
    8ad-f85
    Aug 28, 2017
  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:
    7,260
    claude brooks
    Dec 12, 2018
  5. mrbuick65

    Nailhead overheating

    mrbuick65, Feb 9, 2008 ... 2 3
    Replies:
    40
    Views:
    7,206
    doc
    Apr 13, 2008
  6. jmos4

    X casting intake Manifold Aluminum Factory

    jmos4, Aug 30, 2013 ... 2
    Replies:
    30
    Views:
    7,143
    wkillgs
    Jan 28, 2015
  7. 66larkgs

    turbo buick nailhead video

    66larkgs, May 11, 2013 ... 2 3 4
    Replies:
    60
    Views:
    7,135
    66larkgs
    Sep 22, 2013
  8. KDML

    My 401 Build Plan

    KDML, Jan 16, 2012 ... 2 3
    Replies:
    56
    Views:
    7,118
    KDML
    Oct 1, 2012
  9. PEMracingengine

    New CHI-TOWN Nailhead

    PEMracingengine, Jul 26, 2012 ... 2 3
    Replies:
    47
    Views:
    7,094
    PEMracingengine
    Mar 14, 2013
  10. coogan

    Finned 401 valve covers?

    coogan, Jul 30, 2007
    Replies:
    15
    Views:
    7,090
    elvislives
    Sep 3, 2010
  11. JZRIV

    Pump Up Lifters Before Install? Yes or No

    JZRIV, Feb 28, 2010
    Replies:
    13
    Views:
    7,050
    doc
    Mar 4, 2010
  12. 1966buickgs

    New rebuilt 401 overheating...

    1966buickgs, Apr 8, 2016 ... 2 3 4
    Replies:
    63
    Views:
    7,006
    gsgnnut
    May 1, 2016
  13. 66gsconv

    66 4 speed

    66gsconv, Jan 3, 2008 ... 2 3
    Replies:
    45
    Views:
    7,005
    gs66
    Nov 22, 2012
  14. Silver Bullet

    "Buick" finned aluminum valve covers

    Silver Bullet, Oct 21, 2009
    Replies:
    8
    Views:
    6,980
    SpecialWagon65
    Aug 30, 2010
  15. HULK

    fastest nailheads?

    HULK, Jul 8, 2008 ... 2 3
    Replies:
    50
    Views:
    6,947
    87GN@Tahoe
    Sep 11, 2008
  16. wkillgs

    In-car vid of 13.41 run in 66 GS

    wkillgs, Mar 17, 2013 ... 2 3 4
    Replies:
    68
    Views:
    6,920
    wkillgs
    Apr 4, 2015
  17. 4toe

    EELCO's new automatic transmission adapter

    4toe, Feb 6, 2010 ... 2
    Replies:
    29
    Views:
    6,838
    bhambulldog
    Apr 29, 2011
  18. jmos4

    TA Performance Single 4V

    jmos4, Sep 7, 2021 ... 4 5 6
    Replies:
    105
    Views:
    6,829
    WildCat Cruiser
    Apr 9, 2024
  19. Wicked50

    Gear Vendors vs 4L60E

    Wicked50, Aug 30, 2015 ... 2 3
    Replies:
    45
    Views:
    6,811
    8ad-f85
    Sep 8, 2015
  20. tysongross

    Starting old engines...

    tysongross, Nov 9, 2010 ... 2
    Replies:
    25
    Views:
    6,805
    bhambulldog
    Nov 14, 2010
  21. RUSTYNAIL

    Blown Nailhead

    RUSTYNAIL, Dec 14, 2007 ... 2
    Replies:
    29
    Views:
    6,771
    donut364
    Jan 10, 2010
  22. BuickStreet

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

    BuickStreet, Feb 26, 2003 ... 2
    Replies:
    20
    Views:
    6,745
    Dan K
    May 14, 2010
  23. 66gsconv

    carb spacer

    66gsconv, Feb 13, 2011 ... 2 3
    Replies:
    46
    Views:
    6,706
    CameoInvicta
    Mar 30, 2014
  24. gmman63

    Hi perf parts for 63 401?

    gmman63, Mar 11, 2011 ... 2 3
    Replies:
    40
    Views:
    6,704
    bhambulldog
    Mar 21, 2011
  25. Brian

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

    Brian, Sep 25, 2007 ... 2 3
    Replies:
    53
    Views:
    6,700
    Mark Ascher
    Jan 15, 2008
  26. 401Riviera

    400 hp, 500 tq .030 over 401?

    401Riviera, Oct 15, 2012 ... 2 3
    Replies:
    42
    Views:
    6,690
    GSBuick65
    Oct 30, 2012
  27. CameoInvicta

    Comp Cams Thumpr Install

    CameoInvicta, Apr 9, 2012 ... 2 3
    Replies:
    43
    Views:
    6,591
    CameoInvicta
    Jul 6, 2012
  28. mr62buick

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

    mr62buick, Sep 23, 2012 ... 2
    Replies:
    39
    Views:
    6,576
    66larkgs
    Feb 21, 2013
  29. Wicked50

    Nailhead vs Big Block

    Wicked50, Jun 16, 2010 ... 2
    Replies:
    29
    Views:
    6,534
    doc
    Jun 23, 2010
  30. JESUPERCAT

    200" injected Nailhead FED

    JESUPERCAT, Mar 24, 2008 ... 2 3
    Replies:
    55
    Views:
    6,524
    Old Pueblo
    Oct 14, 2008
  31. wkillgs

    Nailhead piston pics

    wkillgs, Feb 19, 2011 ... 2
    Replies:
    28
    Views:
    6,501
    hudrod
    Mar 29, 2011
  32. 4toe

    EELCO news

    4toe, Jan 5, 2015 ... 2
    Replies:
    32
    Views:
    6,456
    snake
    Jan 30, 2015
  33. 66larkgs

    new eelco intake nailhead

    66larkgs, Sep 30, 2008 ... 2 3
    Replies:
    43
    Views:
    6,400
    CameoInvicta
    Dec 21, 2008
  34. CameoInvicta

    Is anybody actually interested in a serpentine setup?

    CameoInvicta, Jan 3, 2010 ... 2
    Replies:
    20
    Views:
    6,381
    CameoInvicta
    Jan 18, 2010
  35. gsgtx

    intake valves

    gsgtx, Nov 29, 2016 ... 2 3
    Replies:
    59
    Views:
    6,380
    gsgtx
    Jun 27, 2017
  36. LAROKE

    322 Nailhead build with Latham supercharger induction

    LAROKE, Jul 8, 2021 ... 5 6 7
    Replies:
    123
    Views:
    6,362
    322bnh
    Feb 1, 2022
  37. garybuick

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

    garybuick, Jun 11, 2016 ... 2 3
    Replies:
    50
    Views:
    6,348
    doc
    Mar 16, 2017
  38. DeVille

    Carter AFB idle screw?

    DeVille, Jul 14, 2007
    Replies:
    6
    Views:
    6,328
    doc
    Jul 30, 2007
  39. 65wildcater

    425 casting numbers

    65wildcater, Oct 11, 2013 ... 2
    Replies:
    25
    Views:
    6,326
    56buickboy
    Dec 10, 2013
  40. yacster

    Got It!!!!

    yacster, Aug 27, 2007 ... 2 3 4
    Replies:
    64
    Views:
    6,321
    yacster
    Apr 15, 2008
  41. 487nailhead

    Extensive Nailhead porting

    487nailhead, Aug 16, 2013 ... 2
    Replies:
    23
    Views:
    6,304
    66gsconv
    Sep 25, 2013
  42. Caveman

    Harmonic Balancer rebuilding, who is best ?

    Caveman, Nov 1, 2008
    Replies:
    8
    Views:
    6,299
    Caveman
    Dec 27, 2008
  43. NewSchool

    Sanderson Headers for my 63 Riviera

    NewSchool, Oct 17, 2016 ... 2 3
    Replies:
    46
    Views:
    6,227
    telriv
    Dec 21, 2016
  44. Herby

    ignition 401 nailhead timing

    Herby, Aug 24, 2013
    Replies:
    12
    Views:
    6,217
    LARRY70GS
    Aug 28, 2013
  45. johntdaddy

    425 Performance and Carburetor questions/ HELP!

    johntdaddy, Jan 28, 2014 ... 2
    Replies:
    26
    Views:
    6,200
    techg8
    Mar 19, 2014
  46. 66larkgs

    t56 magnum behind nailhead

    66larkgs, Jun 12, 2011 ... 2
    Replies:
    32
    Views:
    6,193
    ecna
    Jul 29, 2011
  47. Bigpig455

    New Motor

    Bigpig455, Jan 22, 2017 ... 2 3
    Replies:
    56
    Views:
    6,192
    Bigpig455
    Dec 11, 2022
  48. TAANK

    ? on edelbrock carb for nailhead

    TAANK, Aug 29, 2007 ... 2
    Replies:
    37
    Views:
    6,181
    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:
    6,180
    Nailhead Newby
    Aug 15, 2014
  50. kcombs

    401 fuel mileage?

    kcombs, May 29, 2008 ... 2
    Replies:
    20
    Views:
    6,172
    Mr62Buick
    Jul 19, 2008
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