Street/strip 400/430/455

Building your GS motor? Ask all questions relating to the late big block here.

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  1. lemmy-67

    Fuel Sending Unit: Sock is Toast

    lemmy-67, Jul 22, 2011 ... 2 3
    Replies:
    47
    Views:
    9,572
    DruRizzo
    Oct 2, 2012
  2. cray1801

    Dyno day, the good and the bad....

    cray1801, Oct 25, 2008 ... 3 4 5
    Replies:
    92
    Views:
    9,523
    Rossco
    Feb 20, 2009
  3. 1969RIVI

    Black Cherry Buick Build

    1969RIVI, Jun 24, 2021 ... 9 10 11
    Replies:
    214
    Views:
    9,474
    sean Buick 76
    Sep 7, 2022
  4. LARRY70GS

    SP-1 Intake installed

    LARRY70GS, Jul 15, 2007 ... 2 3 4
    Replies:
    70
    Views:
    9,468
    LARRY70GS
    Aug 19, 2007
  5. LARRY70GS

    3" Exhaust.

    LARRY70GS, Apr 28, 2014 ... 2 3
    Replies:
    57
    Views:
    9,416
    Mark Demko
    Nov 1, 2014
  6. Robs455

    Vibration and blow by (engine tear down)

    Robs455, Mar 19, 2014 ... 2 3 4
    Replies:
    62
    Views:
    9,413
    Robs455
    Jul 15, 2014
  7. Patrik

    What ignition timing for a -70 455

    Patrik, Jul 10, 2013
    Replies:
    2
    Views:
    9,400
    Patrik
    Jul 12, 2013
  8. pooods

    Junk Header Gaskets!!! Now, opinions needed.

    pooods, May 15, 2004 ... 3 4 5
    Replies:
    80
    Views:
    9,380
    sean Buick 76
    Apr 24, 2012
  9. Jolly-John

    BUICK 455 vs. CHEV 454

    Jolly-John, Jan 25, 2006
    Replies:
    14
    Views:
    9,356
    gusszgs
    Jan 27, 2006
  10. GRIMM

    Time for Engine Assembly

    GRIMM, Jan 25, 2007 ... 4 5 6
    Replies:
    106
    Views:
    9,329
    RG67BEAST
    Jan 27, 2010
  11. 70aqua_custom

    Another lesson in how NOT to build a BBB

    70aqua_custom, Jul 26, 2007 ... 2 3
    Replies:
    52
    Views:
    9,233
    whamo
    Jan 3, 2010
  12. 67Cat

    Buick crate engine versus rebuild?...(opinions wanted)

    67Cat, Jun 26, 2007
    Replies:
    13
    Views:
    9,155
    alec296
    Jun 27, 2007
  13. bbb72

    Cam help

    bbb72, Apr 7, 2014 ... 4 5 6
    Replies:
    101
    Views:
    9,097
    G. Avery
    Apr 29, 2014
  14. hunter7389

    Knock/rattle at lowish rpm. 455 *teardown/rebuild pg5*

    hunter7389, Jul 16, 2017 ... 4 5 6
    Replies:
    116
    Views:
    9,092
    8ad-f85
    Jan 18, 2018
  15. Jeremy Zepnick

    Jeremy's 455 motor build thread

    Jeremy Zepnick, Mar 30, 2022 ... 6 7 8
    Replies:
    154
    Views:
    9,054
    Jeremy Zepnick
    May 22, 2023
  16. Heavy D

    455 w/roots style blower

    Heavy D, Jun 6, 2009 ... 2
    Replies:
    24
    Views:
    9,052
    dered54
    Apr 6, 2024
  17. GSX Tribute

    NGK UR-4 OR UR-5 Spark plugs?

    GSX Tribute, Aug 2, 2012
    Replies:
    8
    Views:
    9,042
    ronbz455
    Aug 4, 2012
  18. 61Caddy

    Help - Buick 455 Procharger supercharger kit

    61Caddy, Apr 22, 2011
    Replies:
    19
    Views:
    9,039
    Michael Evans
    Apr 29, 2011
  19. Land Yacht

    Aftermarket 455 valve cover options

    Land Yacht, Jan 25, 2012 ... 2
    Replies:
    33
    Views:
    9,025
    Cellguy
    Jan 26, 2012
  20. 455nglide

    500hp 464

    455nglide, Feb 17, 2016 ... 3 4 5
    Replies:
    81
    Views:
    9,004
    LARRY70GS
    Feb 25, 2016
  21. arschmitz

    455 budget build

    arschmitz, Apr 29, 2017
    Replies:
    19
    Views:
    8,988
    Tomahawk
    Aug 13, 2017
  22. LARRY70GS

    Ram Air/Cold Air Induction

    LARRY70GS, Nov 2, 2009 ... 2 3
    Replies:
    55
    Views:
    8,982
    Gary Bohannon
    Feb 24, 2013
  23. Hawaii69GS

    455 Identification

    Hawaii69GS, Jul 25, 2009 ... 2 3
    Replies:
    52
    Views:
    8,966
    Hawaii69GS
    Sep 18, 2009
  24. techg8

    Vacuum for this 228/236 duration cam? 455

    techg8, Sep 17, 2015 ... 2 3
    Replies:
    57
    Views:
    8,896
    techg8
    Oct 21, 2017
  25. pmuller9

    POLL: Why use a flat tappet over a roller cam?

    pmuller9, Mar 6, 2013 ... 2 3 4
    Replies:
    63
    Views:
    8,819
    LARRY70GS
    Jul 22, 2013
  26. Timonator

    How much slack should a timing chain have ?

    Timonator, Apr 18, 2012 ... 2 3
    Replies:
    56
    Views:
    8,784
    Timonator
    Apr 22, 2012
  27. Michiel

    500+ Hp street / strip 455 from Automotive Machine and Performance

    Michiel, Nov 9, 2014 ... 2 3
    Replies:
    43
    Views:
    8,783
    gsx678
    Dec 21, 2014
  28. LARRY70GS

    Uhhh!, Timing cover leak.

    LARRY70GS, Aug 30, 2020 ... 8 9 10
    Replies:
    189
    Views:
    8,779
    telriv
    Sep 10, 2020
  29. eagleguy

    350 to 455 swap

    eagleguy, Jun 21, 2015 ... 2
    Replies:
    27
    Views:
    8,771
    kenwatson
    Jul 19, 2015
  30. SMITHBERGRACING

    Post Your Flow Numbers - Buick Iron Heads

    SMITHBERGRACING, Apr 28, 2009 ... 2
    Replies:
    35
    Views:
    8,743
    69gs400
    Feb 9, 2024
  31. leadsled01

    starter keeps breaking..help

    leadsled01, May 17, 2008 ... 2 3
    Replies:
    54
    Views:
    8,735
    83Stage1
    May 30, 2008
  32. Freakazoid

    Block water jacket rust removal and best engine paint.

    Freakazoid, Dec 13, 2007
    Replies:
    9
    Views:
    8,722
    Martian
    Dec 15, 2007
  33. 455 Skylark

    455 HP. question

    455 Skylark, Mar 6, 2013 ... 3 4 5
    Replies:
    82
    Views:
    8,718
    mltdwn12
    May 29, 2013
  34. Rossco

    455 in a Land Rover

    Rossco, Jul 9, 2015 ... 7 8 9
    Replies:
    161
    Views:
    8,717
    Finbuick
    Apr 27, 2023
  35. Dan Gerber

    Edelbrock Head/Guideplate Adjustment Question: PLEASE HELP

    Dan Gerber, Feb 1, 2017 ... 2 3
    Replies:
    53
    Views:
    8,673
    Mark Demko
    May 24, 2022
  36. Todd69GS

    Collapsed lifter?

    Todd69GS, May 16, 2005 ... 2
    Replies:
    27
    Views:
    8,662
    lcac_man
    Jun 4, 2005
  37. 1969RIVI

    TA or PROFORM timing cover

    1969RIVI, Mar 9, 2018 ... 3 4 5
    Replies:
    99
    Views:
    8,657
    scubasteve455
    Mar 29, 2018
  38. drspencer

    71 350 Conv. Resto. Keep matching #'s 350 or Get 455?

    drspencer, Dec 27, 2009 ... 3 4 5
    Replies:
    80
    Views:
    8,622
    300sbb_overkill
    Jul 26, 2017
  39. Gary Bohannon

    Exhaust tricks = big torque gains

    Gary Bohannon, Nov 20, 2015 ... 2 3
    Replies:
    50
    Views:
    8,589
    Gary Farmer
    Dec 4, 2015
  40. fatboybuick

    carcraft 500hp 455

    fatboybuick, Jul 20, 2008
    Replies:
    13
    Views:
    8,588
    mygs462
    Jul 24, 2008
  41. babyblue 69

    Finally got it to the track

    babyblue 69, Dec 3, 2016 ... 3 4 5
    Replies:
    85
    Views:
    8,563
    babyblue 69
    Aug 11, 2017
  42. kick71

    My new Wildcat 455 has arrived..SWEEETT!

    kick71, Jul 26, 2007 ... 4 5 6
    Replies:
    101
    Views:
    8,557
    kick71
    Feb 23, 2008
  43. Brett Slater

    I'm at a loss and grabbing at straws...

    Brett Slater, Jul 27, 2021 ... 6 7 8
    Replies:
    156
    Views:
    8,543
    12lives
    Jun 21, 2022
  44. Steve S

    question about drag racing 455 Buick

    Steve S, Sep 16, 2010 ... 2
    Replies:
    37
    Views:
    8,537
    TheSilverBuick
    Sep 20, 2010
  45. Scot69GS400conv

    My AM&P 464 is finally here ....

    Scot69GS400conv, Dec 10, 2007 ... 4 5 6
    Replies:
    112
    Views:
    8,472
    Scot69GS400conv
    Jan 13, 2008
  46. speedtigger

    Show me a low compression 455 that's fast.

    speedtigger, Jul 11, 2010 ... 2
    Replies:
    34
    Views:
    8,451
    thomas perkins
    Aug 5, 2010
  47. JayZee88

    My 455 engine recipe

    JayZee88, Mar 12, 2016 ... 2 3 4
    Replies:
    73
    Views:
    8,439
    Rich Wardwell
    Jan 2, 2020
  48. gsxbuildernut

    Lifter Bores

    gsxbuildernut, May 21, 2007 ... 2
    Replies:
    39
    Views:
    8,388
    gsxbuildernut
    Mar 27, 2019
  49. rkammer

    My New TSP Sleeper 482 Stroker Motor

    rkammer, Apr 23, 2022 ... 5 6 7
    Replies:
    131
    Views:
    8,342
    TrunkMonkey
    Jul 22, 2023
  50. Canadian GS 350

    Blew up the 350....here comes the 455 econo build

    Canadian GS 350, May 5, 2020 ... 5 6 7
    Replies:
    132
    Views:
    8,329
    Canadian GS 350
    Jul 4, 2022
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