'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. shekou95

    exhaust manifolds

    shekou95, Oct 17, 2011 ... 2
    Replies:
    24
    Views:
    3,202
    shekou95
    Nov 19, 2011
  2. AREX

    Removing heater core from Wildcat?

    AREX, Jun 8, 2008 ... 2
    Replies:
    24
    Views:
    3,817
    bhambulldog
    Jun 26, 2011
  3. whitestripe

    Exhaustsound 401 vs. 430?

    whitestripe, Jun 10, 2011 ... 2
    Replies:
    24
    Views:
    3,067
    68riviera430
    Jun 12, 2011
  4. gsgtx

    longer rods 425

    gsgtx, May 24, 2010 ... 2
    Replies:
    24
    Views:
    4,943
    doc
    Nov 3, 2010
  5. CarlBraun

    425 preferred spark plug type?

    CarlBraun, Sep 27, 2010 ... 2
    Replies:
    24
    Views:
    3,084
    CarlBraun
    Oct 16, 2010
  6. sore loser

    Dominator on a nailhead???

    sore loser, Apr 5, 2007 ... 2
    Replies:
    24
    Views:
    2,710
    doc
    Aug 7, 2010
  7. 66larkgs

    running a turbo on my nailhead

    66larkgs, Sep 13, 2009 ... 2
    Replies:
    24
    Views:
    4,773
    6671
    Jan 1, 2010
  8. william.ali.kay

    duals or single?

    william.ali.kay, Dec 14, 2009 ... 2
    Replies:
    24
    Views:
    3,512
    william.ali.kay
    Dec 17, 2009
  9. skylark65 310

    stuipd question... 401 swap

    skylark65 310, Jun 20, 2009 ... 2
    Replies:
    24
    Views:
    2,248
    yacster
    Jul 2, 2009
  10. buickbob1

    Demon carb on a NAILHEAD

    buickbob1, Jun 4, 2009 ... 2
    Replies:
    24
    Views:
    3,520
    CameoInvicta
    Jun 13, 2009
  11. 65electra401

    Stock 401 Question

    65electra401, Jun 3, 2007 ... 2
    Replies:
    24
    Views:
    2,140
    TAANK
    Aug 29, 2007
  12. 63riv

    1963 Riv Carb Stumble

    63riv, Aug 7, 2007 ... 2
    Replies:
    24
    Views:
    2,286
    coogan
    Aug 11, 2007
  13. 1 BAD 65

    What is a 401 worth?

    1 BAD 65, Jan 28, 2006 ... 2
    Replies:
    24
    Views:
    1,797
    nekkidhillbilly
    Feb 5, 2006
  14. 425 Dual Quad

    What colour do I paint my engine?

    425 Dual Quad, Nov 4, 2004 ... 2
    Replies:
    24
    Views:
    1,970
    425 Dual Quad
    Nov 16, 2004
  15. nailheadina67

    is .003" MB clearance on a NH too much?

    nailheadina67, Feb 9, 2004 ... 2
    Replies:
    24
    Views:
    966
    sean Buick 76
    Mar 16, 2004
  16. BuickStreet

    Dual Quad Carter number search.

    BuickStreet, Sep 14, 2003 ... 2
    Replies:
    24
    Views:
    1,290
    65GS
    Sep 19, 2003
  17. angryirish1

    fly wheel cover

    angryirish1, Jun 8, 2003 ... 2
    Replies:
    24
    Views:
    1,134
    Brian
    Jun 17, 2003
  18. LDPosse

    Trying to start my 401 Nailhead

    LDPosse, Dec 19, 2002 ... 2
    Replies:
    24
    Views:
    2,473
    Brian
    Jan 10, 2003
  19. gsgtx

    went from stock exhaust manifolds to long tube headers

    gsgtx, Sep 10, 2018 ... 2
    Replies:
    23
    Views:
    2,400
    gsgtx
    Aug 27, 2022
  20. Matthew Rice

    Dual exhaust recomendations - 1964 Buick Wildcat convertible

    Matthew Rice, Sep 26, 2017 ... 2
    Replies:
    23
    Views:
    3,399
    gs66
    Jul 16, 2019
  21. dryhoze1

    Intake spacer

    dryhoze1, May 7, 2018 ... 2
    Replies:
    23
    Views:
    1,691
    4toe
    Jun 24, 2018
  22. ttotired

    364 pistons

    ttotired, Mar 12, 2018 ... 2
    Replies:
    23
    Views:
    1,716
    300sbb_overkill
    Mar 28, 2018
  23. r0ckstarr

    Any advantage or disadvantages to blocking the heat passage in the intake manifold?

    r0ckstarr, Dec 24, 2010 ... 2
    Replies:
    23
    Views:
    9,098
    Jim Cannon
    Dec 29, 2015
  24. fastdavedk

    Nailhead thoughts

    fastdavedk, Apr 7, 2015 ... 2
    Replies:
    23
    Views:
    4,059
    doc
    May 13, 2015
  25. dirk401425

    0.60 over 425.

    dirk401425, Feb 9, 2015 ... 2
    Replies:
    23
    Views:
    4,023
    dirk401425
    Feb 23, 2015
  26. Tudor_Nailhead

    Newbie Nailheader!! 264 with ignition issues!

    Tudor_Nailhead, Jun 3, 2014 ... 2
    Replies:
    23
    Views:
    1,388
    Tudor_Nailhead
    Jun 16, 2014
  27. 487nailhead

    Extensive Nailhead porting

    487nailhead, Aug 16, 2013 ... 2
    Replies:
    23
    Views:
    6,337
    66gsconv
    Sep 25, 2013
  28. shadewolf

    350 small or 425 nailhead

    shadewolf, May 12, 2013 ... 2
    Replies:
    23
    Views:
    2,731
    dirk401425
    May 18, 2013
  29. dirk401425

    401 425 water pump

    dirk401425, Feb 16, 2013 ... 2
    Replies:
    23
    Views:
    5,180
    doc
    Feb 19, 2013
  30. 1bolt

    Anyone with a disembled Nail mind taking a few measurments?

    1bolt, Dec 29, 2008 ... 2
    Replies:
    23
    Views:
    3,429
    wkillgs
    Oct 5, 2012
  31. gsgtx

    solid roller cams

    gsgtx, Aug 16, 2012 ... 2
    Replies:
    23
    Views:
    1,762
    Jim Weise
    Aug 17, 2012
  32. buickbonehead

    Tri-power air filter fit Buick 2x4?

    buickbonehead, Oct 8, 2004 ... 2
    Replies:
    23
    Views:
    3,652
    Mister T
    Jul 21, 2012
  33. AlanWeho

    Nailhead Mechanics

    AlanWeho, Dec 18, 2011 ... 2
    Replies:
    23
    Views:
    3,464
    TAANK
    Jan 6, 2012
  34. Wicked50

    Edelbrock Carbs

    Wicked50, Jul 6, 2010 ... 2
    Replies:
    23
    Views:
    5,457
    funkyriv
    Nov 13, 2010
  35. weim55

    What's the correct green for early nailheads?

    weim55, Jun 22, 2010 ... 2
    Replies:
    23
    Views:
    5,520
    william.ali.kay
    Aug 19, 2010
  36. jamhdit

    fuel return line

    jamhdit, Jun 3, 2010 ... 2
    Replies:
    23
    Views:
    4,000
    nekkidhillbilly
    Jun 11, 2010
  37. CDN SS

    Cleaning Block.. Water Jacket rust

    CDN SS, May 12, 2010 ... 2
    Replies:
    23
    Views:
    10,252
    87GN@Tahoe
    May 19, 2010
  38. TAANK

    i think theres something wrong with me

    TAANK, May 7, 2008 ... 2
    Replies:
    23
    Views:
    1,506
    John Codman
    Sep 19, 2009
  39. jan

    What is Max Bore on a 401?

    jan, Dec 20, 2007 ... 2
    Replies:
    23
    Views:
    4,217
    wkillgs
    Feb 28, 2008
  40. dschwarze

    Eelco Finned Valley Cover

    dschwarze, Nov 19, 2007 ... 2
    Replies:
    23
    Views:
    4,583
    doc
    Dec 4, 2007
  41. Slick65

    TA headers on a Nailhead

    Slick65, Dec 17, 2004 ... 2
    Replies:
    23
    Views:
    1,995
    Special57
    Jan 22, 2005
  42. staged67gspwr

    Did `65GS`s ever come with chrome.....?

    staged67gspwr, Oct 9, 2002 ... 2
    Replies:
    23
    Views:
    1,576
    Dan K
    Oct 11, 2002
  43. KustomKreeps

    Toms Roller Rockers

    KustomKreeps, Dec 14, 2019 ... 2
    Replies:
    22
    Views:
    2,044
    Wildcat GS
    Dec 11, 2023
  44. gsgtx

    new engine break in oil.

    gsgtx, Feb 15, 2022 ... 2
    Replies:
    22
    Views:
    2,654
    BamaWildcat
    Apr 16, 2023
  45. Aussie V8

    Fuel injection ??

    Aussie V8, Jun 5, 2022 ... 2
    Replies:
    22
    Views:
    1,426
    Kevallino
    Mar 13, 2023
  46. GranSportSedan

    seat of the pants difference between 401-425?

    GranSportSedan, Jul 23, 2018 ... 2
    Replies:
    22
    Views:
    1,975
    TrunkMonkey
    Oct 31, 2021
  47. VerdeGS

    Nailhead timing chain cover coolant leak

    VerdeGS, Feb 19, 2020 ... 2
    Replies:
    22
    Views:
    2,033
    Gene Brink
    Mar 22, 2020
  48. my1stBuick

    Any fine details to know before installing 750 CFM Edelbrock Performer?

    my1stBuick, Dec 9, 2016 ... 2
    Replies:
    22
    Views:
    2,124
    my1stBuick
    Dec 11, 2016
  49. Wicked50

    Replacing with a 4 barrel

    Wicked50, Jun 25, 2016 ... 2
    Replies:
    22
    Views:
    2,795
    doc
    Oct 31, 2016
  50. Aussie V8

    Compression ratio for stock replacement pistons.

    Aussie V8, Jan 11, 2015 ... 2
    Replies:
    22
    Views:
    4,233
    Aussie V8
    Jan 15, 2015
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