'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. Robin Cook

    Mystery oil contamination 401 SOLVED! Read this!

    Robin Cook, Oct 6, 2022
    Replies:
    1
    Views:
    399
    Wildcat GS
    Oct 17, 2022
  2. Rockable

    Nailhead Power Steering Pump Pulley Alignment

    Rockable, Sep 23, 2022
    Replies:
    10
    Views:
    422
    Rockable
    Dec 2, 2022
  3. Aussie V8

    Which harmonic balancer is correct

    Aussie V8, Sep 20, 2022
    Replies:
    10
    Views:
    420
    John Codman
    Sep 25, 2022
  4. DEADMANSCURVE

    2 X 4 $$ question

    DEADMANSCURVE, Sep 16, 2022
    Replies:
    13
    Views:
    730
    Dan Hach
    Oct 4, 2022
  5. Rockable
    Redirect

    61 Nailhead AC install

    Rockable, Aug 10, 2022 ... 2 3
    Replies:
    –
    Views:
    –
    N/A
  6. PGSS

    Nailhead fuel pump cam lobe?

    PGSS, Aug 8, 2022
    Replies:
    12
    Views:
    346
    TrunkMonkey
    Aug 8, 2022
  7. kcombs

    Heat shield worth it?

    kcombs, Jul 22, 2022
    Replies:
    3
    Views:
    277
    kcombs
    Jul 22, 2022
  8. Rockable

    1961 Nailhead Question

    Rockable, Jul 21, 2022
    Replies:
    4
    Views:
    313
    Rockable
    Jul 29, 2022
  9. suntreemcanic

    3 vane or 5 vane water pump

    suntreemcanic, Jul 16, 2022
    Replies:
    7
    Views:
    435
    Schurkey
    Aug 9, 2022
  10. crazy8

    364 nailhead running hot....

    crazy8, Jul 6, 2022 ... 2 3 4
    Replies:
    75
    Views:
    2,377
    Stevem
    Sep 13, 2022
  11. 62buickfreek

    62 Nailhead rebuild

    62buickfreek, Jun 29, 2022
    Replies:
    8
    Views:
    488
    Dan Hach
    Jun 29, 2022
  12. 2manybuicks

    Linkage for 65 Riv GS Shifter

    2manybuicks, Jun 22, 2022
    Replies:
    2
    Views:
    193
    Wildcat GS
    Jun 22, 2022
  13. 2manybuicks

    Q re 65 Riv GS Engine Mounts

    2manybuicks, Jun 18, 2022
    Replies:
    9
    Views:
    316
    CJay
    Jun 20, 2022
  14. 400orBust

    425 running away

    400orBust, Jun 15, 2022
    Replies:
    9
    Views:
    466
    400orBust
    Jun 16, 2022
  15. KDML

    Fuel Pressure Drop at WOT

    KDML, Jun 11, 2022
    Replies:
    19
    Views:
    700
    Mark Demko
    Jun 30, 2022
  16. Skezix

    1966 Skylark power steering pump for the nail..

    Skezix, Jun 11, 2022
    Replies:
    3
    Views:
    221
    Skezix
    Jun 11, 2022
  17. Doomsday Graphix

    Ballast Resistor 65 Wildcat and issues with coil correct selection

    Doomsday Graphix, Jun 11, 2022
    Replies:
    6
    Views:
    487
    wildcat1562
    Jan 13, 2023
  18. Aussie V8

    Fuel injection ??

    Aussie V8, Jun 5, 2022 ... 2
    Replies:
    22
    Views:
    1,366
    Kevallino
    Mar 13, 2023
  19. suntreemcanic

    Radiator hose leak

    suntreemcanic, May 31, 2022
    Replies:
    11
    Views:
    695
    Stevem
    Jun 4, 2022
  20. Simon_Cabron

    63 Rivi 12v to starter

    Simon_Cabron, May 25, 2022
    Replies:
    1
    Views:
    231
    LARRY70GS
    May 27, 2022
  21. Blue Wagon

    Boring a 401

    Blue Wagon, May 20, 2022
    Replies:
    16
    Views:
    1,049
    Stevem
    Jul 13, 2022
  22. Rivyera

    NAILHEAD CAMSHAFTS

    Rivyera, May 9, 2022
    Replies:
    1
    Views:
    462
    wkillgs
    May 9, 2022
  23. suntreemcanic

    Windshield wiper motor vacuum source

    suntreemcanic, May 8, 2022
    Replies:
    3
    Views:
    221
    gsjohnny1
    May 15, 2022
  24. 67Skybird

    Ignition timing 401 1966GS

    67Skybird, May 5, 2022 ... 2
    Replies:
    32
    Views:
    1,513
    Stevem
    Jun 9, 2022
  25. Stevem

    Heads

    Stevem, Apr 20, 2022
    Replies:
    0
    Views:
    747
    Stevem
    Apr 20, 2022
  26. kcombs

    Remove crinkle coat?

    kcombs, Apr 20, 2022
    Replies:
    4
    Views:
    766
    breakinbuick11
    Apr 21, 2022
  27. suntreemcanic

    Dust Cover

    suntreemcanic, Apr 18, 2022
    Replies:
    5
    Views:
    792
    TrunkMonkey
    Apr 19, 2022
  28. izo369

    Zinc and Lead

    izo369, Apr 11, 2022
    Replies:
    12
    Views:
    917
    gsjohnny1
    May 15, 2022
  29. suntreemcanic

    Fan clutch 1959 401

    suntreemcanic, Apr 8, 2022
    Replies:
    6
    Views:
    392
    Schurkey
    May 6, 2022
  30. Dave Frazier

    401 Fuel Pressure Drop

    Dave Frazier, Apr 3, 2022
    Replies:
    14
    Views:
    1,227
    Wildcat GS
    Apr 29, 2022
  31. 67Skybird

    1966 gs 401 carter carb question

    67Skybird, Apr 1, 2022
    Replies:
    8
    Views:
    929
    67Skybird
    Apr 3, 2022
  32. Chuck Roderique

    1962 Wildcat Nailhead

    Chuck Roderique, Mar 3, 2022
    Replies:
    12
    Views:
    644
    socal rider
    Mar 28, 2022
  33. Cole Adamrovich

    Looking for info on having a 401 rebuilt

    Cole Adamrovich, Feb 15, 2022
    Replies:
    13
    Views:
    657
    Mark Demko
    Mar 22, 2022
  34. gsgtx

    new engine break in oil.

    gsgtx, Feb 15, 2022 ... 2
    Replies:
    22
    Views:
    2,363
    BamaWildcat
    Apr 16, 2023
  35. Jeff Wells

    Nailhead Builder in Michigan

    Jeff Wells, Feb 10, 2022
    Replies:
    8
    Views:
    757
    Mart
    Feb 25, 2022
  36. suntreemcanic

    Water pumps and fan spacers

    suntreemcanic, Feb 7, 2022
    Replies:
    4
    Views:
    429
    John Codman
    Mar 7, 2022
  37. 36threewindow

    air cleaner snorkel

    36threewindow, Feb 4, 2022
    Replies:
    17
    Views:
    1,254
    nailheadnut
    Mar 28, 2022
  38. paulie

    Head gasket 322 fitted wrong

    paulie, Jan 19, 2022
    Replies:
    2
    Views:
    370
    John Codman
    Feb 7, 2022
  39. telriv

    '64-'66 Wildcat/Electra/Riviera R/ exhaust manifold

    telriv, Jan 12, 2022
    Replies:
    10
    Views:
    473
    telriv
    Jan 14, 2022
  40. bos

    St 400

    bos, Jan 4, 2022
    Replies:
    6
    Views:
    488
    Bigpig455
    Jan 29, 2022
  41. Super Bald Menace

    Hydraulic clutch release setup

    Super Bald Menace, Dec 17, 2021
    Replies:
    3
    Views:
    324
    TrunkMonkey
    Dec 17, 2021
  42. Dragdoc

    Cooling system suggestions

    Dragdoc, Dec 17, 2021
    Replies:
    16
    Views:
    947
    BadBrad
    Mar 4, 2022
  43. Steve R

    65 Skylark GS

    Steve R, Dec 4, 2021 ... 2
    Replies:
    21
    Views:
    2,556
    gs66
    Apr 24, 2023
  44. suntreemcanic

    Old Nailhead Manifold or Quadrajet Manifold

    suntreemcanic, Nov 24, 2021 ... 2
    Replies:
    21
    Views:
    1,862
    Mark Demko
    Dec 21, 2021
  45. Super Bald Menace

    Engle cam

    Super Bald Menace, Nov 18, 2021
    Replies:
    8
    Views:
    642
    Super Bald Menace
    Nov 26, 2021
  46. Chaunce Dawes

    1966 Electra spitting gas out the carb.... HEI Vacuum Advance tuning?

    Chaunce Dawes, Nov 6, 2021
    Replies:
    11
    Views:
    569
    bhambulldog
    Dec 11, 2021
  47. bos

    Cam type ,brand

    bos, Nov 1, 2021
    Replies:
    17
    Views:
    615
    Bigpig455
    Nov 7, 2021
  48. Chaunce Dawes

    Wire identification for 1966 Buick Electra... Or checkin' in to the looney bin

    Chaunce Dawes, Oct 26, 2021
    Replies:
    16
    Views:
    594
    LARRY70GS
    Oct 26, 2021
  49. Chaunce Dawes

    New some advice on an hei conversion PLEASE!

    Chaunce Dawes, Oct 18, 2021
    Replies:
    10
    Views:
    633
    Chaunce Dawes
    Nov 7, 2021
  50. 69hellcat

    401-425 heads stock vs ported

    69hellcat, Oct 15, 2021
    Replies:
    7
    Views:
    801
    bos
    Nov 1, 2021
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