'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. wild1965

    Spark plug wires

    wild1965, Dec 14, 2003 ... 2
    Replies:
    22
    Views:
    4,589
    IgnitionMan
    Jan 22, 2004
  2. rb25

    425 injected

    rb25, Oct 7, 2008 ... 2
    Replies:
    25
    Views:
    4,582
    nekkidhillbilly
    Oct 8, 2008
  3. dschwarze

    Eelco Finned Valley Cover

    dschwarze, Nov 19, 2007 ... 2
    Replies:
    23
    Views:
    4,566
    doc
    Dec 4, 2007
  4. dirk401425

    how much does a 1963 401 nailhead weigh

    dirk401425, Jul 15, 2013
    Replies:
    10
    Views:
    4,557
    401Riviera
    Jul 22, 2013
  5. riviairhead

    Freshly rebuilt 401, I've got water in my oil

    riviairhead, Mar 12, 2010 ... 2
    Replies:
    21
    Views:
    4,556
    all455
    Mar 16, 2010
  6. German57Special

    Rope Seal replacement

    German57Special, Feb 24, 2009
    Replies:
    14
    Views:
    4,504
    German57Special
    Jul 24, 2009
  7. Bay65

    What can I fit in a 65 riviera?

    Bay65, Sep 21, 2007
    Replies:
    15
    Views:
    4,492
    doc
    Sep 24, 2007
  8. Dan K

    Well, I need to find a good nailhead builder...again

    Dan K, Jan 5, 2011 ... 2
    Replies:
    31
    Views:
    4,481
    doc
    Apr 3, 2011
  9. nailhead deuce

    Schiefer Aluminum Flywheel for the street??

    nailhead deuce, Dec 17, 2006
    Replies:
    4
    Views:
    4,473
    4toe
    Dec 25, 2006
  10. BuickStreet

    Dual Carter Jet sizing?

    BuickStreet, May 1, 2003
    Replies:
    14
    Views:
    4,459
    CTX-SLPR
    May 6, 2003
  11. benderbrew

    Offenhauser intake manifold question

    benderbrew, Dec 29, 2002
    Replies:
    3
    Views:
    4,457
    IgnitionMan
    Dec 29, 2002
  12. gsgtx

    bigger valves,smaller stems

    gsgtx, Oct 23, 2010 ... 2
    Replies:
    27
    Views:
    4,455
    doc
    Nov 23, 2010
  13. funkyriv

    425 Challenges

    funkyriv, Jan 16, 2015 ... 2
    Replies:
    24
    Views:
    4,436
    doc
    Jan 27, 2015
  14. Wicked50

    Alternator or Generator

    Wicked50, Jul 25, 2010 ... 2
    Replies:
    36
    Views:
    4,432
    John Codman
    Dec 9, 2010
  15. heyjude076

    401 with 8 single barrel carbs

    heyjude076, Dec 17, 2009
    Replies:
    8
    Views:
    4,424
    CameoInvicta
    Dec 19, 2009
  16. buick195646r

    322 Performance Parts

    buick195646r, Dec 6, 2003 ... 2
    Replies:
    34
    Views:
    4,408
    19gn87
    Jan 9, 2004
  17. Donuts & Peelouts

    Nailhead colors red/green

    Donuts & Peelouts, Dec 28, 2019 ... 2
    Replies:
    37
    Views:
    4,407
    1972Mach1
    Apr 7, 2021
  18. Kqqlcat

    401 Started Smoking

    Kqqlcat, Jun 22, 2017 ... 2 3
    Replies:
    47
    Views:
    4,406
    Kqqlcat
    Aug 16, 2017
  19. KDML

    New Engine Won't Start

    KDML, Apr 25, 2014 ... 2
    Replies:
    36
    Views:
    4,402
    KDML
    May 11, 2014
  20. tysongross

    1964 nailhead to st300 questions...

    tysongross, Sep 25, 2010 ... 2
    Replies:
    32
    Views:
    4,387
    nekkidhillbilly
    Sep 29, 2010
  21. 66riv

    squarebore vs spreadbore

    66riv, Feb 9, 2002
    Replies:
    18
    Views:
    4,386
    BuickStreet
    Jul 4, 2002
  22. TAANK

    edelbrock to dynaflow trans linkage

    TAANK, Sep 14, 2008
    Replies:
    19
    Views:
    4,374
    kitabel
    Dec 13, 2009
  23. Bigpig455

    Carb Comparo Thrash

    Bigpig455, Aug 31, 2012 ... 2
    Replies:
    37
    Views:
    4,371
    Bigpig455
    Sep 8, 2012
  24. TA Perf

    401-425 Rear Sump Oil Pan Needed

    TA Perf, Jan 29, 2010 ... 2
    Replies:
    20
    Views:
    4,366
    4toe
    Feb 23, 2010
  25. Wicked50

    My 401 Vs a Ford

    Wicked50, Mar 11, 2010 ... 2
    Replies:
    34
    Views:
    4,361
    funkyriv
    Mar 17, 2010
  26. 66electrafied

    Here's one for the tuning experts

    66electrafied, Sep 5, 2010 ... 2
    Replies:
    31
    Views:
    4,338
    66electrafied
    Sep 24, 2010
  27. billy nugz

    Fuel injection 401 nailhead

    billy nugz, Aug 12, 2010
    Replies:
    5
    Views:
    4,336
    66larkgs
    Aug 17, 2010
  28. gemslessig

    Offenhauser Valve covers

    gemslessig, Apr 7, 2007
    Replies:
    6
    Views:
    4,327
    DualQuad55
    Apr 7, 2007
  29. 66larkgs

    turbo nailhead almost done!! need fuel pump

    66larkgs, Sep 14, 2008 ... 2
    Replies:
    25
    Views:
    4,326
    66larkgs
    Oct 5, 2008
  30. Herby

    nailhead 401 muffler

    Herby, Jul 24, 2010 ... 2
    Replies:
    25
    Views:
    4,319
    nekkidhillbilly
    Jul 29, 2010
  31. kcombs

    carb gasket & stainless baffel

    kcombs, Nov 23, 2009 ... 2
    Replies:
    29
    Views:
    4,312
    64Electra
    Dec 17, 2009
  32. riv1964

    Nailhead Crank Pully

    riv1964, Apr 1, 2011
    Replies:
    17
    Views:
    4,311
    snake
    Nov 25, 2014
  33. bob k. mando

    Absolutely insane question, I know....

    bob k. mando, Jan 28, 2007 ... 2
    Replies:
    33
    Views:
    4,309
    cooterbfd
    Feb 26, 2010
  34. 56buickboy

    Max Balchowskys Old Yeller Winfield Camshaft

    56buickboy, Aug 25, 2013
    Replies:
    16
    Views:
    4,289
    Babeola
    Sep 25, 2013
  35. Wicked50

    Finned Valve Covers

    Wicked50, Jan 6, 2010
    Replies:
    16
    Views:
    4,273
    DugsSin
    Jul 20, 2010
  36. v8regalowner

    what trans should i use behind the 66 401.

    v8regalowner, Apr 14, 2011 ... 2
    Replies:
    24
    Views:
    4,273
    Dragdoc
    Apr 19, 2020
  37. william.ali.kay

    chrome valve covers

    william.ali.kay, Aug 7, 2010
    Replies:
    14
    Views:
    4,264
    doc
    Aug 12, 2010
  38. gemslessig

    Dynaflow

    gemslessig, May 18, 2007 ... 2
    Replies:
    29
    Views:
    4,259
    doc
    Jul 22, 2007
  39. Ghooge2008

    removing a 425 NH...inserting chevy 350...

    Ghooge2008, Jun 16, 2010 ... 2
    Replies:
    34
    Views:
    4,250
    TAANK
    Jun 21, 2010
  40. WPearson

    Carburetor interchangabilty for dual quad set up

    WPearson, Jan 30, 2016 ... 2
    Replies:
    24
    Views:
    4,233
    nailheadnut
    Mar 12, 2016
  41. Aussie V8

    Compression ratio for stock replacement pistons.

    Aussie V8, Jan 11, 2015 ... 2
    Replies:
    22
    Views:
    4,213
    Aussie V8
    Jan 15, 2015
  42. jan

    What is Max Bore on a 401?

    jan, Dec 20, 2007 ... 2
    Replies:
    23
    Views:
    4,197
    wkillgs
    Feb 28, 2008
  43. andre207

    1965 Riviera Identification

    andre207, Jan 24, 2012
    Replies:
    10
    Views:
    4,187
    Babeola
    Feb 18, 2012
  44. 66GSconv.

    HEI distributor

    66GSconv., Aug 9, 2011
    Replies:
    12
    Views:
    4,186
    EEE
    Feb 1, 2015
  45. wkillgs

    If CompCams had Nailhead cams...

    wkillgs, Sep 23, 2010 ... 2
    Replies:
    26
    Views:
    4,183
    6671
    Oct 17, 2010
  46. Weezo182

    lake pipes for my 56

    Weezo182, Oct 5, 2007
    Replies:
    7
    Views:
    4,183
    Weezo182
    Oct 9, 2007
  47. gsgtx

    how do you get this car out of 2nd gear

    gsgtx, Feb 10, 2013 ... 2 3
    Replies:
    46
    Views:
    4,176
    Bigpig455
    Mar 9, 2013
  48. Junkman

    Buick Green Paint Secret- Onan/Cummins

    Junkman, Feb 23, 2012
    Replies:
    4
    Views:
    4,173
    Kqqlcat
    Feb 25, 2012
  49. TABuickMike

    Nailhead Hydraulic Roller Cams

    TABuickMike, Apr 28, 2009
    Replies:
    10
    Views:
    4,166
    GOSFAST
    May 10, 2009
  50. S2X01

    Nailhead Intakes

    S2X01, Nov 28, 2011
    Replies:
    19
    Views:
    4,164
    flynbuick
    Dec 11, 2011
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