'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. 401nailhead65

    What year nailhead intake is it.

    401nailhead65, Oct 26, 2010
    Replies:
    2
    Views:
    656
    401nailhead65
    Oct 26, 2010
  2. BuickLeSabre1960

    what'd be the best setup for my 364?

    BuickLeSabre1960, May 2, 2005 ... 2
    Replies:
    21
    Views:
    1,683
    BuickLeSabre1960
    Aug 5, 2005
  3. CameoInvicta

    What's a Nailhead worth?

    CameoInvicta, Nov 11, 2008
    Replies:
    9
    Views:
    901
    lapham3@aol.com
    Nov 12, 2008
  4. per

    What's a nailhead?

    per, Mar 25, 2003
    Replies:
    5
    Views:
    1,336
    BuickStreet
    Mar 25, 2003
  5. SIRRODERICKGS

    What's can I expect from my 401?

    SIRRODERICKGS, Aug 30, 2002
    Replies:
    6
    Views:
    1,360
    DugsSin
    Sep 3, 2002
  6. mr62buick

    What's it worth, REALLY

    mr62buick, Apr 13, 2012
    Replies:
    3
    Views:
    944
    doc
    Apr 14, 2012
  7. Babeola

    What's It Worth?

    Babeola, Aug 29, 2003
    Replies:
    16
    Views:
    1,306
    Babeola
    Sep 13, 2003
  8. grnlark

    What's it worth?

    grnlark, Sep 23, 2004
    Replies:
    5
    Views:
    717
    littlegto64
    Sep 24, 2004
  9. Bigpig455

    What's New for Spring....???

    Bigpig455, Feb 24, 2013
    Replies:
    5
    Views:
    497
    CameoInvicta
    Feb 24, 2013
  10. Mister T

    What's that clicking noise?

    Mister T, Jun 18, 2012 ... 3 4 5
    Replies:
    89
    Views:
    10,547
    66electrafied
    Aug 7, 2012
  11. weim55

    What's the correct green for early nailheads?

    weim55, Jun 22, 2010 ... 2
    Replies:
    23
    Views:
    5,531
    william.ali.kay
    Aug 19, 2010
  12. 56Roadi

    What's the flow rate of a '56 fuel pump

    56Roadi, Oct 12, 2007
    Replies:
    1
    Views:
    926
    doc
    Oct 13, 2007
  13. modeladave

    What's the pipe plug at back of driver side head do?

    modeladave, Oct 25, 2013 ... 2
    Replies:
    26
    Views:
    3,975
    wkillgs
    Nov 1, 2013
  14. Rob J

    What's the proper and best procedure to remove the harmonic balancer on a 401?

    Rob J, Feb 27, 2012
    Replies:
    3
    Views:
    1,281
    Rob J
    Feb 27, 2012
  15. Bigg

    What's the stainless piece between the carb and intake for?

    Bigg, Mar 28, 2014
    Replies:
    2
    Views:
    445
    telriv
    Mar 28, 2014
  16. CameoInvicta

    What's this 401 worth?

    CameoInvicta, Apr 27, 2011
    Replies:
    17
    Views:
    2,077
    invicted61
    May 13, 2011
  17. buickbonehead

    What's this hole for?

    buickbonehead, Mar 2, 2006
    Replies:
    15
    Views:
    1,201
    65WILDKAT
    Mar 20, 2006
  18. 55spcl

    whatever happend?

    55spcl, Feb 17, 2004
    Replies:
    0
    Views:
    460
    55spcl
    Feb 17, 2004
  19. dpcp66

    whats a 401 worth

    dpcp66, Sep 13, 2005
    Replies:
    1
    Views:
    666
    pooods
    Sep 13, 2005
  20. 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:
    6,035
    snake
    Mar 1, 2013
  21. Stingray42

    Whats a dual quad intake worth?

    Stingray42, Aug 3, 2004
    Replies:
    4
    Views:
    810
    Stingray42
    Aug 4, 2004
  22. custum65GS

    Whats a fresh 401 worth???

    custum65GS, Apr 22, 2009
    Replies:
    15
    Views:
    1,424
    custum65GS
    Apr 24, 2009
  23. BlackRiv

    Whats best upgrade for power on 425??

    BlackRiv, May 1, 2005
    Replies:
    4
    Views:
    654
    BlackRiv
    May 3, 2005
  24. 66gsconv

    Whats it take to get 12.5 or better with a nailhead

    66gsconv, Jan 24, 2013 ... 3 4 5
    Replies:
    81
    Views:
    5,051
    gsgtx
    Sep 24, 2013
  25. 69GS400s

    Whats it Worth ???

    69GS400s, Sep 13, 2006
    Replies:
    1
    Views:
    698
    flynbuick
    Sep 13, 2006
  26. staged67gspwr

    Whats stock size exhaust for `65 GS?

    staged67gspwr, Jul 28, 2003 ... 2 3
    Replies:
    41
    Views:
    1,988
    staged67gspwr
    Aug 4, 2003
  27. donut364

    Whats the CC of a stock 401 head?

    donut364, Feb 1, 2013
    Replies:
    3
    Views:
    617
    Babeola
    Feb 2, 2013
  28. gsgtx

    wheel cylinders

    gsgtx, Jun 18, 2016
    Replies:
    2
    Views:
    543
    wkillgs
    Jun 18, 2016
  29. CameoInvicta

    When is a set of heads too far gone?

    CameoInvicta, Feb 27, 2014
    Replies:
    5
    Views:
    855
    CameoInvicta
    Feb 27, 2014
  30. alini

    Where are the timing marks

    alini, Dec 19, 2014
    Replies:
    5
    Views:
    1,116
    bhambulldog
    Dec 20, 2014
  31. my55buick

    Where can get this?

    my55buick, Apr 25, 2011
    Replies:
    2
    Views:
    572
    SteeveeDee
    Apr 25, 2011
  32. SD65wildcat

    Where can i find a book on the nailhead?

    SD65wildcat, Oct 8, 2007
    Replies:
    5
    Views:
    1,567
    TAANK
    Oct 16, 2007
  33. BamaWildcat

    Where can I get a silk screen Nailhead 425 silver disc for the air cleaner?

    BamaWildcat, Jul 11, 2010
    Replies:
    1
    Views:
    848
    flynbuick
    Jul 11, 2010
  34. sailor

    Where can I get my distributor modified for dual quad use?

    sailor, Nov 27, 2012
    Replies:
    4
    Views:
    775
    wkillgs
    Nov 29, 2012
  35. Benny Skattberg

    Where can i order a new oil pressure relief valve

    Benny Skattberg, May 25, 2013
    Replies:
    18
    Views:
    2,352
    Benny Skattberg
    May 27, 2013
  36. bobbybuick

    WHERE do I find a Fuel Filter non AC

    bobbybuick, Jul 14, 2013
    Replies:
    5
    Views:
    717
    nailheadnut
    Jul 16, 2013
  37. GS Spoken Here

    Where do I find equalizer ball for 66 GS 4 speed clutch?

    GS Spoken Here, Jan 5, 2015
    Replies:
    5
    Views:
    1,009
    GS Spoken Here
    Jan 9, 2015
  38. staged67gspwr

    where do u guys have them hooked up?

    staged67gspwr, Oct 15, 2002
    Replies:
    6
    Views:
    991
    DugsSin
    Oct 16, 2002
  39. Stingray42

    Where does the coil sit?

    Stingray42, Nov 6, 2004
    Replies:
    5
    Views:
    997
    Kiloton
    Nov 12, 2004
  40. Dave Sloan

    Where does this hose connect?

    Dave Sloan, May 1, 2018
    Replies:
    8
    Views:
    696
    dual-quadism
    May 4, 2018
  41. dirk401425

    where is Russell Martin? march 6th

    dirk401425, Mar 6, 2014
    Replies:
    0
    Views:
    481
    dirk401425
    Mar 6, 2014
  42. Gran Sport66

    where is the starter located?

    Gran Sport66, Sep 24, 2005
    Replies:
    4
    Views:
    825
    BamaWildcat
    Oct 3, 2005
  43. Babeola

    Where is the Vin # ?

    Babeola, Sep 29, 2003
    Replies:
    2
    Views:
    472
    LARRY70GS
    Sep 30, 2003
  44. Dan K

    Where oh Where to mount fuel filter bracket

    Dan K, Jan 8, 2007
    Replies:
    4
    Views:
    714
    nailheadina67
    Jan 10, 2007
  45. snake

    where to buy a oil pick up tube

    snake, Jul 8, 2015
    Replies:
    3
    Views:
    605
    Bib Overhalls
    Jul 9, 2015
  46. 66larkgs

    where to buy motor mounts for 66lark gs

    66larkgs, Dec 3, 2011
    Replies:
    13
    Views:
    1,555
    william.ali.kay
    Dec 10, 2011
  47. r0ckstarr79

    Where to find Carb kit

    r0ckstarr79, Feb 17, 2004
    Replies:
    2
    Views:
    746
    r0ckstarr79
    Feb 21, 2004
  48. buickbonehead

    Where to get 2x4 air filters?

    buickbonehead, Mar 11, 2004
    Replies:
    7
    Views:
    719
    nailheadina67
    Mar 12, 2004
  49. bschopflin

    Where to have a Nailhead Rebuilt in New England Area

    bschopflin, Mar 3, 2009
    Replies:
    4
    Views:
    958
    Fragzem
    Mar 5, 2009
  50. chasanderson

    Where were all the 66GS's

    chasanderson, Jul 23, 2013 ... 2
    Replies:
    22
    Views:
    2,254
    Luly80
    Aug 20, 2013
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