'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. 68riviera430

    BLOWN PISTON! What do i do now?

    68riviera430, May 11, 2010 ... 3 4 5
    Replies:
    91
    Views:
    9,980
    68riviera430
    Jun 23, 2010
  2. nailheadfrench

    Increase the performance of my 401

    nailheadfrench, Jul 22, 2014 ... 2 3 4
    Replies:
    63
    Views:
    9,914
    bhambulldog
    Feb 9, 2015
  3. Smartin

    .005 Ridge at the top of the cylinder wall...problem?

    Smartin, Feb 20, 2010
    Replies:
    12
    Views:
    9,866
    doc
    Feb 21, 2010
  4. cnh123

    help damsel in distress!!

    cnh123, Jun 19, 2010 ... 2 3 4
    Replies:
    77
    Views:
    9,864
    doc
    Jul 3, 2010
  5. 66larkgs

    is there a market for nailhead turbo headers??

    66larkgs, Sep 11, 2011 ... 2 3 4
    Replies:
    61
    Views:
    9,862
    66larkgs
    Dec 7, 2011
  6. KDML

    Hastings Piston Oil Ring Install

    KDML, Aug 11, 2013 ... 2 3
    Replies:
    41
    Views:
    9,595
    wilber
    Aug 30, 2013
  7. 66gsconv

    Kinda slow in da nailhead section lately

    66gsconv, Mar 27, 2012 ... 4 5 6
    Replies:
    106
    Views:
    9,502
    dirk401425
    Feb 20, 2014
  8. UntamedKitty

    SS French Locks (exhaust keepers) for Nailheads, any interest?

    UntamedKitty, Jan 25, 2015 ... 2 3 4
    Replies:
    72
    Views:
    9,364
    picturedlife
    Oct 14, 2015
  9. Bigpig455

    65 Gran Sport -Q-Jet, Manifold and Tom's rockers comparison race results

    Bigpig455, Sep 28, 2014 ... 2 3 4
    Replies:
    73
    Views:
    9,225
    Bigpig455
    Oct 22, 2014
  10. cobravii

    piston opinions wanted

    cobravii, Dec 28, 2016 ... 2 3 4
    Replies:
    67
    Views:
    9,175
    John Codman
    Aug 8, 2017
  11. funkyriv

    TA Roller Cam

    funkyriv, Jan 22, 2010 ... 2 3
    Replies:
    58
    Views:
    9,127
    telriv
    Oct 17, 2010
  12. r0ckstarr

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

    r0ckstarr, Dec 24, 2010 ... 2
    Replies:
    23
    Views:
    9,062
    Jim Cannon
    Dec 29, 2015
  13. 6671

    Edelbrock aluminum heads for but what about us...

    6671, Jan 13, 2008 ... 2 3
    Replies:
    48
    Views:
    9,024
    DualQuad55
    May 10, 2008
  14. stg2NW

    Nailhead Head Porting

    stg2NW, Dec 14, 2008 ... 2
    Replies:
    33
    Views:
    8,904
    riv1964
    Feb 8, 2009
  15. Weezo182

    Post Your Nail Head

    Weezo182, Apr 3, 2008 ... 2
    Replies:
    39
    Views:
    8,898
    mr62buick
    May 14, 2013
  16. TA Perf

    Nailhead Hyd. roller cam, any interest?

    TA Perf, Jul 16, 2008 ... 2 3
    Replies:
    42
    Views:
    8,855
    63 Rivi
    Dec 10, 2008
  17. 68riviera430

    My first nailhead question...

    68riviera430, Feb 3, 2010 ... 2 3 4
    Replies:
    60
    Views:
    8,685
    68riviera430
    Sep 20, 2010
  18. RJBT

    401 Oil pressure - blocked oil passages ?

    RJBT, Jun 16, 2011 ... 2 3
    Replies:
    50
    Views:
    8,661
    RJBT
    Oct 17, 2011
  19. nimrod

    TA Nailhead 425 "Shorty" Headers

    nimrod, Aug 11, 2007 ... 2
    Replies:
    25
    Views:
    8,614
    65_Riviera
    Sep 9, 2007
  20. CarlBraun

    Riviera 425 engine ticking noise

    CarlBraun, Mar 29, 2011 ... 2 3
    Replies:
    49
    Views:
    8,532
    63-CAT
    May 4, 2013
  21. Bigpig455

    401 Build Continued..

    Bigpig455, Mar 17, 2019 ... 4 5 6
    Replies:
    111
    Views:
    8,494
    gs66
    Jan 20, 2020
  22. CameoInvicta

    Falls flat under load at 5k rpms

    CameoInvicta, Jun 5, 2011 ... 2 3
    Replies:
    55
    Views:
    8,494
    CameoInvicta
    Jun 9, 2012
  23. 4toe

    Single 4 aluminum intake sign up / interest thread

    4toe, Feb 27, 2015 ... 2 3
    Replies:
    49
    Views:
    8,451
    Aussie V8
    Sep 4, 2015
  24. jimtash

    Autozone is discontinuing the Mobil 1 oil filter that fits the Nailhead.......

    jimtash, Jan 25, 2008 ... 2 3
    Replies:
    55
    Views:
    8,441
    jimtash
    Feb 6, 2008
  25. 66larkgs

    Turbocharged your Nailhead tips

    66larkgs, Jul 13, 2015 ... 2
    Replies:
    32
    Views:
    8,440
    MSharkey
    Jun 4, 2023
  26. KDML

    Block Inspection

    KDML, Dec 15, 2011 ... 2 3
    Replies:
    53
    Views:
    8,417
    KDML
    Mar 7, 2012
  27. JZRIV

    Degreeing a Cam and its Effect on Manifold Vacuum

    JZRIV, Apr 18, 2016 ... 2
    Replies:
    39
    Views:
    8,331
    BuickMike
    Apr 24, 2016
  28. 66larkgs

    hurt the 401 nailhead!!! need ---9:1 forged pistons/bearings

    66larkgs, Dec 16, 2011 ... 2 3
    Replies:
    42
    Views:
    8,212
    HULK
    Jan 6, 2014
  29. Marty World

    ULTRA-RARE "D" items

    Marty World, Oct 29, 2007 ... 2
    Replies:
    34
    Views:
    8,198
    Marty World
    May 9, 2012
  30. gsgtx

    ethanol gas

    gsgtx, Dec 4, 2017 ... 2 3 4
    Replies:
    79
    Views:
    8,184
    jshanks
    Apr 13, 2018
  31. 4toe
    Locked

    EELCO update

    4toe, Nov 28, 2010 ... 2 3 4
    Replies:
    72
    Views:
    8,160
    87GN@Tahoe
    Feb 8, 2011
  32. Aussie V8

    322 from 1955

    Aussie V8, Feb 14, 2014 ... 2 3
    Replies:
    55
    Views:
    8,012
    Aussie V8
    May 1, 2014
  33. 1966buickgs

    I have a harmonic balancer wobbling...

    1966buickgs, Apr 19, 2014 ... 2 3 4
    Replies:
    65
    Views:
    8,010
    Aussie V8
    Jul 11, 2014
  34. freddiezee65

    Nailhead/aftermarket fuel injection

    freddiezee65, Jul 27, 2013
    Replies:
    19
    Views:
    7,995
    nekkidhillbilly
    Jan 18, 2014
  35. Golden Oldie 65

    dual quad nailhead on Craigslist, not mine

    Golden Oldie 65, Dec 14, 2009 ... 2
    Replies:
    29
    Views:
    7,981
    Golden Oldie 65
    Dec 26, 2009
  36. rlafash

    "Original" Quad Set Up

    rlafash, Jan 18, 2010 ... 2
    Replies:
    33
    Views:
    7,963
    Bigpig455
    Sep 18, 2017
  37. 401Riviera

    Porting Nailheads, Tips? Do's? Dont's?

    401Riviera, Feb 18, 2013 ... 2 3
    Replies:
    58
    Views:
    7,879
    66gsconv
    Nov 23, 2013
  38. hudrod

    Its alive with home made Hilborn EFI conversion

    hudrod, Jun 29, 2011 ... 2
    Replies:
    24
    Views:
    7,850
    doc
    Dec 10, 2011
  39. Brian

    Nailhead head gaskets

    Brian, Mar 12, 2007 ... 2
    Replies:
    37
    Views:
    7,825
    TAANK
    Mar 29, 2008
  40. TheBraus

    455 buick, or 454 chevy, power question

    TheBraus, Feb 22, 2010 ... 2
    Replies:
    36
    Views:
    7,681
    cooterbfd
    Mar 3, 2010
  41. NJBuickRacer

    Can a nailhead run 12s NA and be streetable?

    NJBuickRacer, Oct 21, 2003 ... 2 3 4
    Replies:
    63
    Views:
    7,680
    66larkgs
    Mar 18, 2012
  42. gsgtx

    doctors orders

    gsgtx, Jul 27, 2010 ... 2 3 4
    Replies:
    63
    Views:
    7,652
    kitabel
    Nov 10, 2010
  43. 66larkgs

    serpentine belt setup on nailhead?

    66larkgs, Aug 1, 2011 ... 2
    Replies:
    30
    Views:
    7,630
    66larkgs
    Dec 15, 2012
  44. N.J.-SLICK-1

    How you tell the difference bet. a 401 or 425

    N.J.-SLICK-1, Sep 16, 2011
    Replies:
    19
    Views:
    7,588
    nailheadnut
    Oct 11, 2013
  45. Lightweights4me

    1965 nailhead green engine paint

    Lightweights4me, Nov 21, 2012
    Replies:
    9
    Views:
    7,554
    87GN@Tahoe
    Nov 30, 2012
  46. BuickGS65

    700r4 2004r tranny adapter ?

    BuickGS65, Nov 26, 2002 ... 2
    Replies:
    27
    Views:
    7,531
    CTX-SLPR
    Apr 14, 2003
  47. super 225

    nailhead crate motor?

    super 225, Dec 11, 2004
    Replies:
    16
    Views:
    7,497
    Dennis S
    Jan 7, 2005
  48. Bigpig455

    Race Day - 65 Gran Sport

    Bigpig455, Sep 29, 2013 ... 3 4 5
    Replies:
    83
    Views:
    7,450
    Bigpig455
    Oct 30, 2013
  49. 66BulldogGS

    The Return of Don's 1966 Skylark GS....The Beginning

    66BulldogGS, Apr 8, 2013 ... 2 3
    Replies:
    50
    Views:
    7,432
    telriv
    Feb 13, 2017
  50. 401nailhead65

    Qjet for a nailhead

    401nailhead65, Aug 22, 2011 ... 2 3
    Replies:
    42
    Views:
    7,428
    6WildCat5
    Apr 11, 2012
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