'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. TXGS

    Nailhead to 700r4

    TXGS, Jan 29, 2010 ... 2
    Replies:
    22
    Views:
    5,904
    CameoInvicta
    Feb 7, 2010
  2. jimtash

    What does a puffing sound out the tail pipe mean?

    jimtash, Aug 22, 2008
    Replies:
    11
    Views:
    5,912
    doc
    Aug 24, 2008
  3. r0ckstarr

    My car has a backfiring disorder..

    r0ckstarr, Mar 13, 2009 ... 2 3
    Replies:
    46
    Views:
    5,916
    r0ckstarr
    Apr 8, 2009
  4. 1966buickgs

    401 rebuild with tapping noise...

    1966buickgs, Aug 22, 2016 ... 2 3
    Replies:
    51
    Views:
    5,957
    GSBuick65
    Oct 16, 2016
  5. BillyJack111

    Recommended oil & plugs for '66 401 nailhead???

    BillyJack111, Aug 26, 2010
    Replies:
    12
    Views:
    5,964
    BillyJack111
    Sep 17, 2010
  6. 401Riviera

    Whats a better carb for a 401 bored .030 with 9.8:1 Compression?

    401Riviera, Oct 30, 2012 ... 2 3 4
    Replies:
    66
    Views:
    6,010
    snake
    Mar 1, 2013
  7. BlackPumpkin

    best oil for 401 Nailhead

    BlackPumpkin, Nov 4, 2007
    Replies:
    14
    Views:
    6,041
    64BuickCat
    Nov 17, 2007
  8. flh73

    401 Build "Stock"

    flh73, Mar 30, 2015 ... 2 3
    Replies:
    49
    Views:
    6,041
    gsgtx
    Apr 6, 2015
  9. 66larkgs

    pics of turbo nailhead

    66larkgs, Mar 2, 2010 ... 2
    Replies:
    39
    Views:
    6,060
    66larkgs
    Jun 8, 2010
  10. steinerj56

    401 nail head whine noise

    steinerj56, Oct 1, 2014 ... 2
    Replies:
    37
    Views:
    6,071
    Buick 64 Wildcat
    Jul 11, 2020
  11. d7cook

    65 425 Nailhead questions and needs!

    d7cook, May 30, 2007 ... 2 3
    Replies:
    42
    Views:
    6,126
    d7cook
    Mar 12, 2008
  12. JohnK

    425 Nailhead Spark Plugs

    JohnK, Apr 30, 2002
    Replies:
    13
    Views:
    6,149
    Schurkey
    Jul 19, 2009
  13. CameoInvicta

    Starting a company; what parts for Nailhead era Buicks do you want to see?

    CameoInvicta, Jul 1, 2009 ... 2 3
    Replies:
    58
    Views:
    6,168
    ahhh65riv
    Sep 14, 2009
  14. Nailhead Newby

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

    Nailhead Newby, Aug 24, 2007 ... 2
    Replies:
    35
    Views:
    6,194
    Nailhead Newby
    Aug 15, 2014
  15. kcombs

    401 fuel mileage?

    kcombs, May 29, 2008 ... 2
    Replies:
    20
    Views:
    6,195
    Mr62Buick
    Jul 19, 2008
  16. TAANK

    ? on edelbrock carb for nailhead

    TAANK, Aug 29, 2007 ... 2
    Replies:
    37
    Views:
    6,224
    Bill Bailey
    Aug 3, 2008
  17. johntdaddy

    425 Performance and Carburetor questions/ HELP!

    johntdaddy, Jan 28, 2014 ... 2
    Replies:
    26
    Views:
    6,239
    techg8
    Mar 19, 2014
  18. 66larkgs

    t56 magnum behind nailhead

    66larkgs, Jun 12, 2011 ... 2
    Replies:
    32
    Views:
    6,239
    ecna
    Jul 29, 2011
  19. NewSchool

    Sanderson Headers for my 63 Riviera

    NewSchool, Oct 17, 2016 ... 2 3
    Replies:
    46
    Views:
    6,269
    telriv
    Dec 21, 2016
  20. Bigpig455

    New Motor

    Bigpig455, Jan 22, 2017 ... 2 3
    Replies:
    56
    Views:
    6,277
    Bigpig455
    Dec 11, 2022
  21. Herby

    ignition 401 nailhead timing

    Herby, Aug 24, 2013
    Replies:
    12
    Views:
    6,277
    LARRY70GS
    Aug 28, 2013
  22. Caveman

    Harmonic Balancer rebuilding, who is best ?

    Caveman, Nov 1, 2008
    Replies:
    8
    Views:
    6,314
    Caveman
    Dec 27, 2008
  23. 487nailhead

    Extensive Nailhead porting

    487nailhead, Aug 16, 2013 ... 2
    Replies:
    23
    Views:
    6,336
    66gsconv
    Sep 25, 2013
  24. yacster

    Got It!!!!

    yacster, Aug 27, 2007 ... 2 3 4
    Replies:
    64
    Views:
    6,377
    yacster
    Apr 15, 2008
  25. CameoInvicta

    Is anybody actually interested in a serpentine setup?

    CameoInvicta, Jan 3, 2010 ... 2
    Replies:
    20
    Views:
    6,396
    CameoInvicta
    Jan 18, 2010
  26. 65wildcater

    425 casting numbers

    65wildcater, Oct 11, 2013 ... 2
    Replies:
    25
    Views:
    6,398
    56buickboy
    Dec 10, 2013
  27. 66larkgs

    new eelco intake nailhead

    66larkgs, Sep 30, 2008 ... 2 3
    Replies:
    43
    Views:
    6,427
    CameoInvicta
    Dec 21, 2008
  28. garybuick

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

    garybuick, Jun 11, 2016 ... 2 3
    Replies:
    50
    Views:
    6,443
    doc
    Mar 16, 2017
  29. gsgtx

    intake valves

    gsgtx, Nov 29, 2016 ... 2 3
    Replies:
    59
    Views:
    6,450
    gsgtx
    Jun 27, 2017
  30. 4toe

    EELCO news

    4toe, Jan 5, 2015 ... 2
    Replies:
    32
    Views:
    6,482
    snake
    Jan 30, 2015
  31. DeVille

    Carter AFB idle screw?

    DeVille, Jul 14, 2007
    Replies:
    6
    Views:
    6,521
    doc
    Jul 30, 2007
  32. wkillgs

    Nailhead piston pics

    wkillgs, Feb 19, 2011 ... 2
    Replies:
    28
    Views:
    6,538
    hudrod
    Mar 29, 2011
  33. JESUPERCAT

    200" injected Nailhead FED

    JESUPERCAT, Mar 24, 2008 ... 2 3
    Replies:
    55
    Views:
    6,541
    Old Pueblo
    Oct 14, 2008
  34. Wicked50

    Nailhead vs Big Block

    Wicked50, Jun 16, 2010 ... 2
    Replies:
    29
    Views:
    6,566
    doc
    Jun 23, 2010
  35. mr62buick

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

    mr62buick, Sep 23, 2012 ... 2
    Replies:
    39
    Views:
    6,612
    66larkgs
    Feb 21, 2013
  36. CameoInvicta

    Comp Cams Thumpr Install

    CameoInvicta, Apr 9, 2012 ... 2 3
    Replies:
    43
    Views:
    6,628
    CameoInvicta
    Jul 6, 2012
  37. Brian

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

    Brian, Sep 25, 2007 ... 2 3
    Replies:
    53
    Views:
    6,716
    Mark Ascher
    Jan 15, 2008
  38. gmman63

    Hi perf parts for 63 401?

    gmman63, Mar 11, 2011 ... 2 3
    Replies:
    40
    Views:
    6,729
    bhambulldog
    Mar 21, 2011
  39. 66gsconv

    carb spacer

    66gsconv, Feb 13, 2011 ... 2 3
    Replies:
    46
    Views:
    6,738
    CameoInvicta
    Mar 30, 2014
  40. 401Riviera

    400 hp, 500 tq .030 over 401?

    401Riviera, Oct 15, 2012 ... 2 3
    Replies:
    42
    Views:
    6,744
    GSBuick65
    Oct 30, 2012
  41. BuickStreet

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

    BuickStreet, Feb 26, 2003 ... 2
    Replies:
    20
    Views:
    6,761
    Dan K
    May 14, 2010
  42. RUSTYNAIL

    Blown Nailhead

    RUSTYNAIL, Dec 14, 2007 ... 2
    Replies:
    29
    Views:
    6,786
    donut364
    Jan 10, 2010
  43. tysongross

    Starting old engines...

    tysongross, Nov 9, 2010 ... 2
    Replies:
    25
    Views:
    6,818
    bhambulldog
    Nov 14, 2010
  44. Wicked50

    Gear Vendors vs 4L60E

    Wicked50, Aug 30, 2015 ... 2 3
    Replies:
    45
    Views:
    6,864
    8ad-f85
    Sep 8, 2015
  45. 4toe

    EELCO's new automatic transmission adapter

    4toe, Feb 6, 2010 ... 2
    Replies:
    29
    Views:
    6,867
    bhambulldog
    Apr 29, 2011
  46. wkillgs

    In-car vid of 13.41 run in 66 GS

    wkillgs, Mar 17, 2013 ... 2 3 4
    Replies:
    68
    Views:
    6,961
    wkillgs
    Apr 4, 2015
  47. LAROKE

    322 Nailhead build with Latham supercharger induction

    LAROKE, Jul 8, 2021 ... 5 6 7
    Replies:
    126
    Views:
    6,980
    LAROKE
    Apr 26, 2024
  48. HULK

    fastest nailheads?

    HULK, Jul 8, 2008 ... 2 3
    Replies:
    50
    Views:
    6,981
    87GN@Tahoe
    Sep 11, 2008
  49. Silver Bullet

    "Buick" finned aluminum valve covers

    Silver Bullet, Oct 21, 2009
    Replies:
    8
    Views:
    7,019
    SpecialWagon65
    Aug 30, 2010
  50. 66gsconv

    66 4 speed

    66gsconv, Jan 3, 2008 ... 2 3
    Replies:
    45
    Views:
    7,027
    gs66
    Nov 22, 2012
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