'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. Kool Aid

    Is a 1963 Nailhead motor the same as a 1964?

    Kool Aid, Oct 24, 2017
    Replies:
    5
    Views:
    711
    nailheadnut
    Oct 26, 2017
  2. 66 buick guy

    T/A roller rocker installation question

    66 buick guy, Sep 24, 2017
    Replies:
    19
    Views:
    1,949
    8ad-f85
    Oct 22, 2017
  3. 64 wildcat conv

    Is it OK to add a mild performance cam to a 401 with 109K miles?

    64 wildcat conv, Oct 10, 2017
    Replies:
    13
    Views:
    1,297
    telriv
    Oct 18, 2017
  4. Kqqlcat

    Question About Dual FrontCarb

    Kqqlcat, Oct 6, 2017
    Replies:
    1
    Views:
    659
    Kqqlcat
    Oct 13, 2017
  5. 64 wildcat conv

    Type 2 dual quad timing curve?

    64 wildcat conv, Sep 20, 2017
    Replies:
    18
    Views:
    1,271
    64 wildcat conv
    Oct 4, 2017
  6. Kool Aid

    63 Model 401 Header Fit Question

    Kool Aid, Sep 29, 2017
    Replies:
    4
    Views:
    552
    Kool Aid
    Sep 30, 2017
  7. GMB-GS1

    Nailhead value?

    GMB-GS1, Jun 9, 2017
    Replies:
    15
    Views:
    2,079
    John Codman
    Sep 24, 2017
  8. MR136

    Need help with 97 stamp on my MR block please

    MR136, Sep 22, 2017
    Replies:
    0
    Views:
    442
    MR136
    Sep 22, 2017
  9. 66 buick guy

    Looking for a good Nailhead head Guy

    66 buick guy, May 3, 2017 ... 2
    Replies:
    20
    Views:
    2,723
    66 buick guy
    Sep 18, 2017
  10. rlafash

    "Original" Quad Set Up

    rlafash, Jan 18, 2010 ... 2
    Replies:
    33
    Views:
    7,973
    Bigpig455
    Sep 18, 2017
  11. gsgtx

    do nailheads need special cams.

    gsgtx, Jul 10, 2017 ... 2 3 4
    Replies:
    74
    Views:
    7,392
    8ad-f85
    Aug 28, 2017
  12. cool55

    INTAKE GASKET TYPE

    cool55, Aug 27, 2017
    Replies:
    2
    Views:
    629
    Bigpig455
    Aug 27, 2017
  13. gsgtx

    buicks in muscle car review

    gsgtx, Jun 20, 2017
    Replies:
    6
    Views:
    1,383
    ElectraDen
    Aug 22, 2017
  14. Mr62Wildcat

    How about this pic..

    Mr62Wildcat, Aug 14, 2017
    Replies:
    12
    Views:
    1,322
    66electrafied
    Aug 20, 2017
  15. Aussie V8

    Started putting new engine together

    Aussie V8, Jun 29, 2017 ... 2 3
    Replies:
    40
    Views:
    3,731
    Aussie V8
    Aug 18, 2017
  16. Mr62Wildcat

    Ahh, finally my own dual quad tunnel ram

    Mr62Wildcat, Aug 10, 2017
    Replies:
    13
    Views:
    1,297
    8ad-f85
    Aug 16, 2017
  17. Kqqlcat

    401 Started Smoking

    Kqqlcat, Jun 22, 2017 ... 2 3
    Replies:
    47
    Views:
    4,430
    Kqqlcat
    Aug 16, 2017
  18. cobravii

    piston opinions wanted

    cobravii, Dec 28, 2016 ... 2 3 4
    Replies:
    67
    Views:
    9,254
    John Codman
    Aug 8, 2017
  19. 56Roadi

    looking for detailed engine specs of a 425 out a 1963 Riviera

    56Roadi, Jul 29, 2017
    Replies:
    1
    Views:
    525
    telriv
    Jul 29, 2017
  20. gsfred

    Nailhead Aluminum Valve cover Question

    gsfred, May 26, 2017
    Replies:
    3
    Views:
    928
    ragtops
    Jul 28, 2017
  21. tburgeson

    HEI in a '65 or '66 GS

    tburgeson, May 9, 2017
    Replies:
    8
    Views:
    1,097
    tburgeson
    Jul 27, 2017
  22. wildcat1562

    manual trans verses auto on starter

    wildcat1562, Jul 24, 2017
    Replies:
    2
    Views:
    636
    jmos4
    Jul 26, 2017
  23. cobravii

    WTB: Buick 425 dual quad intake

    cobravii, Jun 17, 2017
    Replies:
    7
    Views:
    1,247
    66 buick guy
    Jul 23, 2017
  24. Nailed55

    World's fastest nailhead landspeed record??

    Nailed55, Jun 27, 2017
    Replies:
    4
    Views:
    1,421
    300sbb_overkill
    Jul 3, 2017
  25. gsgtx

    intake valves

    gsgtx, Nov 29, 2016 ... 2 3
    Replies:
    59
    Views:
    6,443
    gsgtx
    Jun 27, 2017
  26. LARRY70GS

    1966 Gran Sport, starter access?

    LARRY70GS, Jun 7, 2017
    Replies:
    9
    Views:
    1,552
    1972Mach1
    Jun 16, 2017
  27. Rickesota

    How about a nailhead V6 question?

    Rickesota, May 25, 2017
    Replies:
    15
    Views:
    1,776
    ttotired
    Jun 7, 2017
  28. TheRev

    Help needed - 64 Dual Quad kickdown switch

    TheRev, May 30, 2017
    Replies:
    12
    Views:
    1,000
    LARRY70GS
    Jun 3, 2017
  29. Dean Gullberry

    Looking for 401 Nailhead performance parts.

    Dean Gullberry, May 26, 2017
    Replies:
    4
    Views:
    2,175
    300sbb_overkill
    Jun 2, 2017
  30. 4toe

    I am starting to feel like Job!

    4toe, May 2, 2017
    Replies:
    6
    Views:
    957
    4toe
    May 27, 2017
  31. Aussie V8

    Should I accept this ?

    Aussie V8, May 22, 2017
    Replies:
    10
    Views:
    1,136
    8ad-f85
    May 23, 2017
  32. jamhdit

    Need exhaust advice from the nailhead gurus

    jamhdit, May 20, 2017
    Replies:
    12
    Views:
    1,701
    slosteve
    May 22, 2017
  33. Mr62Wildcat

    Curious... why has no one made a dual quad high rise??

    Mr62Wildcat, Apr 18, 2017
    Replies:
    18
    Views:
    1,512
    John Codman
    May 11, 2017
  34. 1ARUNEM

    Freeze plug installation

    1ARUNEM, May 2, 2017
    Replies:
    3
    Views:
    728
    1ARUNEM
    May 11, 2017
  35. EEE

    Bought a nailhead HEI on eBay

    EEE, Jun 12, 2015
    Replies:
    4
    Views:
    1,321
    tburgeson
    May 9, 2017
  36. 1972Mach1

    My 401's transformation

    1972Mach1, Mar 15, 2017
    Replies:
    18
    Views:
    1,745
    1972Mach1
    May 3, 2017
  37. Kqqlcat

    Dual Quad Upgrade

    Kqqlcat, Dec 5, 2016 ... 2
    Replies:
    30
    Views:
    3,905
    Kqqlcat
    May 2, 2017
  38. Frankscat

    Need O-Ring measurements thermostat housing

    Frankscat, Apr 3, 2017
    Replies:
    13
    Views:
    2,745
    Frankscat
    Apr 24, 2017
  39. nekkidhillbilly

    supercharger pulley for nailhead

    nekkidhillbilly, Apr 21, 2017
    Replies:
    3
    Views:
    672
    nekkidhillbilly
    Apr 23, 2017
  40. DreamMachine63

    401 Sudden Coolant Leak

    DreamMachine63, Apr 7, 2017
    Replies:
    7
    Views:
    1,380
    DreamMachine63
    Apr 10, 2017
  41. TexasJohn55

    One lifter noisy Only when really hot on highway

    TexasJohn55, Mar 4, 2017 ... 2
    Replies:
    32
    Views:
    2,550
    TexasJohn55
    Apr 10, 2017
  42. 64 wildcat conv

    401 Engine dress up

    64 wildcat conv, Apr 3, 2017
    Replies:
    3
    Views:
    690
    gs66
    Apr 4, 2017
  43. 66gsconv

    The great nailhead intake comparison

    66gsconv, Mar 12, 2013 ... 3 4 5
    Replies:
    84
    Views:
    13,227
    Bigpig455
    Apr 3, 2017
  44. Dznuggets

    57 Barn find has bent push rods and stuck valves

    Dznuggets, Sep 20, 2016 ... 2 3
    Replies:
    42
    Views:
    4,647
    Smartin
    Apr 2, 2017
  45. 64 wildcat conv

    Dual Quad PCV valve P/N

    64 wildcat conv, Mar 20, 2017
    Replies:
    3
    Views:
    752
    64 wildcat conv
    Mar 23, 2017
  46. Aussie V8

    Easy engine block question

    Aussie V8, Mar 19, 2017
    Replies:
    6
    Views:
    756
    telriv
    Mar 20, 2017
  47. gsgtx

    valve notches

    gsgtx, Feb 25, 2017
    Replies:
    8
    Views:
    1,193
    sriley531
    Mar 18, 2017
  48. dryhoze1

    Nailhead motor mount differences

    dryhoze1, Mar 13, 2017
    Replies:
    4
    Views:
    729
    dryhoze1
    Mar 18, 2017
  49. KustomKreeps

    401 cam Advice

    KustomKreeps, Mar 12, 2017
    Replies:
    3
    Views:
    2,236
    CameoInvicta
    Mar 16, 2017
  50. Bill Bailey

    Cam

    Bill Bailey, Sep 2, 2002
    Replies:
    15
    Views:
    2,415
    CameoInvicta
    Mar 16, 2017
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