'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. JosephQatarcarguy

    1966 buick skylark GS Qatar

    JosephQatarcarguy, Oct 17, 2018
    Replies:
    5
    Views:
    770
    Dennis S
    Oct 28, 2018
  2. Dragdoc

    More help

    Dragdoc, Oct 15, 2018
    Replies:
    7
    Views:
    704
    marxjunk
    Nov 10, 2019
  3. 56Roadi

    Replacement of oil pump pressure valve spring (425 from a 63 Riv)

    56Roadi, Oct 13, 2018
    Replies:
    7
    Views:
    678
    56Roadi
    Oct 16, 2018
  4. 56Roadi

    1963 Rivi engine parts color

    56Roadi, Sep 29, 2018
    Replies:
    3
    Views:
    477
    56Roadi
    Oct 4, 2018
  5. Dragdoc

    Suggestions appreciated

    Dragdoc, Sep 28, 2018 ... 2
    Replies:
    27
    Views:
    2,105
    Mark Demko
    Jan 22, 2019
  6. gsgtx

    went from stock exhaust manifolds to long tube headers

    gsgtx, Sep 10, 2018 ... 2
    Replies:
    23
    Views:
    2,366
    gsgtx
    Aug 27, 2022
  7. mark fox

    tolerances??

    mark fox, Sep 3, 2018
    Replies:
    3
    Views:
    645
    Schurkey
    Sep 13, 2018
  8. gsgtx

    TA headers vs GSCA headers

    gsgtx, Aug 28, 2018
    Replies:
    16
    Views:
    1,515
    gsgtx
    Oct 10, 2018
  9. bhemi

    Newbie to nailheads - Porting question

    bhemi, Aug 28, 2018
    Replies:
    4
    Views:
    587
    John Codman
    Aug 29, 2018
  10. Markmc

    Overheating 401 during break in

    Markmc, Aug 26, 2018 ... 2
    Replies:
    29
    Views:
    1,955
    Markmc
    Oct 11, 2018
  11. Bib Overhalls

    364 Carb Recommendation.

    Bib Overhalls, Aug 17, 2018
    Replies:
    1
    Views:
    336
    marxjunk
    Aug 17, 2018
  12. marxjunk

    HAS ANYONE SEEN M/T SUPERSCAVENGERS FOR A NAILHEAD?

    marxjunk, Aug 15, 2018
    Replies:
    11
    Views:
    932
    66kooch
    Aug 20, 2018
  13. gsgtx

    front end alignment

    gsgtx, Aug 14, 2018
    Replies:
    5
    Views:
    475
    gsgtx
    Aug 15, 2018
  14. marxjunk

    364 intake question

    marxjunk, Aug 12, 2018
    Replies:
    5
    Views:
    913
    marxjunk
    Aug 18, 2018
  15. marxjunk

    nailhead supercharger intake

    marxjunk, Aug 11, 2018 ... 2
    Replies:
    30
    Views:
    2,339
    marxjunk
    Jun 28, 2019
  16. Doomsday Graphix

    1965, 425cu Nailhead, Turbine Kick Down issue

    Doomsday Graphix, Aug 10, 2018
    Replies:
    3
    Views:
    400
    dual-quadism
    Aug 10, 2018
  17. 18CEOD

    1953 Super 322 mystery, at least to me.

    18CEOD, Aug 7, 2018
    Replies:
    17
    Views:
    769
    John Codman
    Aug 20, 2018
  18. 18CEOD

    Is this a true LX 425 ?

    18CEOD, Aug 5, 2018 ... 2
    Replies:
    25
    Views:
    1,989
    gsgtx
    Sep 27, 2018
  19. marxjunk

    Stude with a Naihead..

    marxjunk, Aug 3, 2018
    Replies:
    7
    Views:
    589
    John Codman
    Aug 11, 2018
  20. 36threewindow

    correct dash pot

    36threewindow, Jul 30, 2018
    Replies:
    6
    Views:
    606
    dual-quadism
    Aug 7, 2018
  21. RJBT

    401 engine bay heat

    RJBT, Jul 30, 2018
    Replies:
    15
    Views:
    650
    bhambulldog
    Aug 3, 2018
  22. GranSportSedan

    seat of the pants difference between 401-425?

    GranSportSedan, Jul 23, 2018 ... 2
    Replies:
    22
    Views:
    1,951
    TrunkMonkey
    Oct 31, 2021
  23. Dan64

    1964 Riviera 7.0

    Dan64, Jul 3, 2018
    Replies:
    8
    Views:
    1,052
    flynbuick
    Jul 11, 2018
  24. roadrunnernz

    Wow - Dual Quadrejet manifold @ ebay

    roadrunnernz, Jun 28, 2018
    Replies:
    10
    Views:
    1,167
    cjeboyle
    Jun 30, 2018
  25. Wicked50

    401 Fuel Pump

    Wicked50, Jun 24, 2018
    Replies:
    4
    Views:
    459
    John Codman
    Jul 15, 2018
  26. jake hernandez

    stuck..need a little help

    jake hernandez, Jun 19, 2018
    Replies:
    16
    Views:
    835
    Stevem
    Jul 3, 2018
  27. gsgtx

    hood hinges

    gsgtx, Jun 12, 2018
    Replies:
    0
    Views:
    379
    gsgtx
    Jun 12, 2018
  28. papag825

    Nailhead Carburetor advice

    papag825, Jun 11, 2018
    Replies:
    8
    Views:
    1,563
    telriv
    Jun 23, 2018
  29. Skezix

    1966 Smog parts

    Skezix, Jun 4, 2018
    Replies:
    11
    Views:
    910
    SteeveeDee
    Jul 22, 2018
  30. gsgtx

    the best rear main seal is the best rear main seal

    gsgtx, Jun 3, 2018
    Replies:
    0
    Views:
    479
    gsgtx
    Jun 3, 2018
  31. Skezix

    66 GS 401 Smog...

    Skezix, May 27, 2018
    Replies:
    4
    Views:
    450
    Skezix
    May 27, 2018
  32. 64 wildcat conv

    401 coolant leak

    64 wildcat conv, May 27, 2018
    Replies:
    3
    Views:
    514
    John Codman
    May 31, 2018
  33. TheRev

    Dual Quad help needed

    TheRev, May 26, 2018
    Replies:
    12
    Views:
    715
    TheRev
    Jun 4, 2018
  34. dirk401425

    1966 Electra 4GC

    dirk401425, May 25, 2018
    Replies:
    3
    Views:
    419
    dirk401425
    May 25, 2018
  35. CameoInvicta

    Bad miss - need some help!

    CameoInvicta, May 24, 2018 ... 2
    Replies:
    25
    Views:
    1,762
    Superstingray77
    Nov 13, 2019
  36. gsgtx

    timing chain specs

    gsgtx, May 15, 2018
    Replies:
    18
    Views:
    1,130
    gsgtx
    May 29, 2018
  37. cool55

    Collapsing Lifter?

    cool55, May 13, 2018
    Replies:
    17
    Views:
    1,399
    Wildcat GS
    Jul 11, 2018
  38. PW4896

    LOOKING FOR ROD BOLT 425 Nailhead 12 pt

    PW4896, May 12, 2018
    Replies:
    7
    Views:
    470
    Bigpig455
    May 15, 2018
  39. dryhoze1

    Intake spacer

    dryhoze1, May 7, 2018 ... 2
    Replies:
    23
    Views:
    1,674
    4toe
    Jun 24, 2018
  40. Chuck Anderson

    Excessive oil burn as of May 2

    Chuck Anderson, May 2, 2018
    Replies:
    6
    Views:
    641
    Schurkey
    Jun 9, 2018
  41. Dave Sloan

    Where does this hose connect?

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

    Edelbrock 750 for a 364?

    BuickMike, Apr 28, 2018
    Replies:
    8
    Views:
    981
    Fox's Den
    Apr 30, 2018
  43. EEE

    Engine trouble

    EEE, Apr 23, 2018 ... 2 3
    Replies:
    41
    Views:
    2,323
    EEE
    Jun 4, 2018
  44. jshanks

    Motor Oil for 322 Nailhead

    jshanks, Apr 20, 2018
    Replies:
    16
    Views:
    2,077
    322bnh
    Apr 27, 2018
  45. Wicked50

    Alan Grove Alternator Bracket

    Wicked50, Apr 14, 2018
    Replies:
    3
    Views:
    655
    dual-quadism
    Jul 21, 2018
  46. 1966buickgs

    Why is my lower pulley wobbling?

    1966buickgs, Apr 13, 2018
    Replies:
    18
    Views:
    1,487
    Mart
    May 3, 2018
  47. RockinRiviDad

    401 Nailhead Oil Slinger

    RockinRiviDad, Mar 21, 2018
    Replies:
    10
    Views:
    819
    telriv
    Mar 24, 2018
  48. ttotired

    364 pistons

    ttotired, Mar 12, 2018 ... 2
    Replies:
    23
    Views:
    1,695
    300sbb_overkill
    Mar 28, 2018
  49. BuickMike

    What exhaust size do I need on a cammed 364 with 4bbl?

    BuickMike, Mar 4, 2018
    Replies:
    13
    Views:
    655
    gsgtx
    Mar 15, 2018
  50. Superstingray77

    Minimum Piston to Valve clearance - 425

    Superstingray77, Mar 1, 2018
    Replies:
    16
    Views:
    1,314
    Superstingray77
    Jan 30, 2020
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