'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. staged67gspwr

    Which side goes where?

    staged67gspwr, Nov 1, 2002
    Replies:
    12
    Views:
    1,383
    Evans Ward
    Sep 23, 2004
  2. tysongross

    Which radiator for the 66 gransport?

    tysongross, Dec 19, 2010
    Replies:
    15
    Views:
    1,835
    tysongross
    Dec 21, 2010
  3. Fenno

    Which plugs nailhead

    Fenno, Jun 22, 2016
    Replies:
    4
    Views:
    1,018
    Sypher
    Jun 28, 2016
  4. KRB1956

    which nailhead intake manifold

    KRB1956, Sep 23, 2014
    Replies:
    13
    Views:
    2,828
    66gsconv
    Sep 26, 2014
  5. staged67gspwr

    Which is the correct way?

    staged67gspwr, Oct 11, 2002
    Replies:
    4
    Views:
    876
    Dan K
    Oct 17, 2002
  6. Houmark

    Which heads and cam?

    Houmark, Mar 8, 2015 ... 3 4 5
    Replies:
    88
    Views:
    7,359
    Houmark
    Mar 23, 2015
  7. Aussie V8

    Which harmonic balancer is correct

    Aussie V8, Sep 20, 2022
    Replies:
    10
    Views:
    425
    John Codman
    Sep 25, 2022
  8. The Big Guy

    Which GM oil filter for 401?

    The Big Guy, Sep 26, 2020
    Replies:
    4
    Views:
    1,152
    BamaWildcat
    Oct 9, 2020
  9. Riv_fanatics

    Which engine is that here?

    Riv_fanatics, Oct 6, 2019
    Replies:
    9
    Views:
    846
    Riv_fanatics
    Oct 10, 2019
  10. EEE

    Which carb gasket for the quadrajet

    EEE, Mar 29, 2009
    Replies:
    13
    Views:
    2,071
    66electrafied
    Mar 30, 2009
  11. Aussie V8

    Which carb for my new 401

    Aussie V8, Jan 4, 2015
    Replies:
    10
    Views:
    1,388
    Aussie V8
    Jan 6, 2015
  12. renegade

    which carb

    renegade, Sep 12, 2004
    Replies:
    1
    Views:
    576
    doc
    Sep 14, 2004
  13. buickbonehead

    Where's Dave Ray? - Ignition Man

    buickbonehead, Feb 11, 2005
    Replies:
    6
    Views:
    2,870
    LARRY70GS
    Feb 24, 2005
  14. BamaWildcat

    Where would this oil leak be coming from?

    BamaWildcat, May 8, 2010
    Replies:
    2
    Views:
    717
    doc
    May 9, 2010
  15. chasanderson

    Where were all the 66GS's

    chasanderson, Jul 23, 2013 ... 2
    Replies:
    22
    Views:
    2,240
    Luly80
    Aug 20, 2013
  16. bschopflin

    Where to have a Nailhead Rebuilt in New England Area

    bschopflin, Mar 3, 2009
    Replies:
    4
    Views:
    944
    Fragzem
    Mar 5, 2009
  17. buickbonehead

    Where to get 2x4 air filters?

    buickbonehead, Mar 11, 2004
    Replies:
    7
    Views:
    713
    nailheadina67
    Mar 12, 2004
  18. r0ckstarr79

    Where to find Carb kit

    r0ckstarr79, Feb 17, 2004
    Replies:
    2
    Views:
    742
    r0ckstarr79
    Feb 21, 2004
  19. 66larkgs

    where to buy motor mounts for 66lark gs

    66larkgs, Dec 3, 2011
    Replies:
    13
    Views:
    1,545
    william.ali.kay
    Dec 10, 2011
  20. snake

    where to buy a oil pick up tube

    snake, Jul 8, 2015
    Replies:
    3
    Views:
    598
    Bib Overhalls
    Jul 9, 2015
  21. Dan K

    Where oh Where to mount fuel filter bracket

    Dan K, Jan 8, 2007
    Replies:
    4
    Views:
    710
    nailheadina67
    Jan 10, 2007
  22. Babeola

    Where is the Vin # ?

    Babeola, Sep 29, 2003
    Replies:
    2
    Views:
    468
    LARRY70GS
    Sep 30, 2003
  23. Gran Sport66

    where is the starter located?

    Gran Sport66, Sep 24, 2005
    Replies:
    4
    Views:
    820
    BamaWildcat
    Oct 3, 2005
  24. dirk401425

    where is Russell Martin? march 6th

    dirk401425, Mar 6, 2014
    Replies:
    0
    Views:
    476
    dirk401425
    Mar 6, 2014
  25. Dave Sloan

    Where does this hose connect?

    Dave Sloan, May 1, 2018
    Replies:
    8
    Views:
    690
    dual-quadism
    May 4, 2018
  26. Stingray42

    Where does the coil sit?

    Stingray42, Nov 6, 2004
    Replies:
    5
    Views:
    992
    Kiloton
    Nov 12, 2004
  27. staged67gspwr

    where do u guys have them hooked up?

    staged67gspwr, Oct 15, 2002
    Replies:
    6
    Views:
    985
    DugsSin
    Oct 16, 2002
  28. GS Spoken Here

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

    GS Spoken Here, Jan 5, 2015
    Replies:
    5
    Views:
    1,004
    GS Spoken Here
    Jan 9, 2015
  29. bobbybuick

    WHERE do I find a Fuel Filter non AC

    bobbybuick, Jul 14, 2013
    Replies:
    5
    Views:
    709
    nailheadnut
    Jul 16, 2013
  30. Benny Skattberg

    Where can i order a new oil pressure relief valve

    Benny Skattberg, May 25, 2013
    Replies:
    18
    Views:
    2,335
    Benny Skattberg
    May 27, 2013
  31. sailor

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

    sailor, Nov 27, 2012
    Replies:
    4
    Views:
    774
    wkillgs
    Nov 29, 2012
  32. BamaWildcat

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

    BamaWildcat, Jul 11, 2010
    Replies:
    1
    Views:
    844
    flynbuick
    Jul 11, 2010
  33. SD65wildcat

    Where can i find a book on the nailhead?

    SD65wildcat, Oct 8, 2007
    Replies:
    5
    Views:
    1,561
    TAANK
    Oct 16, 2007
  34. my55buick

    Where can get this?

    my55buick, Apr 25, 2011
    Replies:
    2
    Views:
    566
    SteeveeDee
    Apr 25, 2011
  35. alini

    Where are the timing marks

    alini, Dec 19, 2014
    Replies:
    5
    Views:
    1,108
    bhambulldog
    Dec 20, 2014
  36. CameoInvicta

    When is a set of heads too far gone?

    CameoInvicta, Feb 27, 2014
    Replies:
    5
    Views:
    849
    CameoInvicta
    Feb 27, 2014
  37. gsgtx

    wheel cylinders

    gsgtx, Jun 18, 2016
    Replies:
    2
    Views:
    538
    wkillgs
    Jun 18, 2016
  38. donut364

    Whats the CC of a stock 401 head?

    donut364, Feb 1, 2013
    Replies:
    3
    Views:
    609
    Babeola
    Feb 2, 2013
  39. staged67gspwr

    Whats stock size exhaust for `65 GS?

    staged67gspwr, Jul 28, 2003 ... 2 3
    Replies:
    41
    Views:
    1,973
    staged67gspwr
    Aug 4, 2003
  40. 69GS400s

    Whats it Worth ???

    69GS400s, Sep 13, 2006
    Replies:
    1
    Views:
    694
    flynbuick
    Sep 13, 2006
  41. 66gsconv

    Whats it take to get 12.5 or better with a nailhead

    66gsconv, Jan 24, 2013 ... 3 4 5
    Replies:
    81
    Views:
    4,990
    gsgtx
    Sep 24, 2013
  42. BlackRiv

    Whats best upgrade for power on 425??

    BlackRiv, May 1, 2005
    Replies:
    4
    Views:
    649
    BlackRiv
    May 3, 2005
  43. custum65GS

    Whats a fresh 401 worth???

    custum65GS, Apr 22, 2009
    Replies:
    15
    Views:
    1,422
    custum65GS
    Apr 24, 2009
  44. Stingray42

    Whats a dual quad intake worth?

    Stingray42, Aug 3, 2004
    Replies:
    4
    Views:
    806
    Stingray42
    Aug 4, 2004
  45. 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:
    5,960
    snake
    Mar 1, 2013
  46. dpcp66

    whats a 401 worth

    dpcp66, Sep 13, 2005
    Replies:
    1
    Views:
    662
    pooods
    Sep 13, 2005
  47. 55spcl

    whatever happend?

    55spcl, Feb 17, 2004
    Replies:
    0
    Views:
    456
    55spcl
    Feb 17, 2004
  48. buickbonehead

    What's this hole for?

    buickbonehead, Mar 2, 2006
    Replies:
    15
    Views:
    1,198
    65WILDKAT
    Mar 20, 2006
  49. CameoInvicta

    What's this 401 worth?

    CameoInvicta, Apr 27, 2011
    Replies:
    17
    Views:
    2,067
    invicted61
    May 13, 2011
  50. Bigg

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

    Bigg, Mar 28, 2014
    Replies:
    2
    Views:
    443
    telriv
    Mar 28, 2014
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