Street/strip 400/430/455

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

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  1. 1969briviera

    Buick's head design

    1969briviera, Sep 13, 2023 ... 2 3 4
    Replies:
    67
    Views:
    1,994
    PGSS
    Sep 18, 2023
  2. accelr8

    The honeymoon is over – Broken timing chain?

    accelr8, May 29, 2021 ... 2 3 4
    Replies:
    67
    Views:
    2,802
    sean Buick 76
    Jul 8, 2021
  3. matt68gs400

    Proform roller rockers

    matt68gs400, Jul 7, 2019 ... 2 3 4
    Replies:
    67
    Views:
    7,163
    Billy
    Sep 6, 2019
  4. deluxe68

    Engine Build and Plug Questions

    deluxe68, Dec 30, 2013 ... 2 3 4
    Replies:
    67
    Views:
    7,326
    8ad-f85
    Aug 28, 2015
  5. ick

    lifter crash ?

    ick, Mar 31, 2013 ... 2 3 4
    Replies:
    67
    Views:
    10,162
    ick
    Apr 24, 2013
  6. techg8

    430 out of the frying pan into the fire

    techg8, Mar 24, 2013 ... 2 3 4
    Replies:
    67
    Views:
    6,449
    Briz
    Apr 14, 2013
  7. 1969BuickRivier

    1969 Buick Riviera 430 suggestions....

    1969BuickRivier, Sep 30, 2012 ... 2 3 4
    Replies:
    67
    Views:
    14,738
    1969BuickRivier
    Oct 11, 2012
  8. sharkmonkey

    Should I go back to a stock intake?

    sharkmonkey, Mar 21, 2006 ... 2 3 4
    Replies:
    67
    Views:
    4,222
    sharkmonkey
    May 20, 2008
  9. Bluzilla

    Cast Camshaft Cores

    Bluzilla, Jan 4, 2022 ... 2 3 4
    Replies:
    66
    Views:
    4,009
    94IDI
    Mar 19, 2022
  10. TommyV

    Tired of being pulled on by newer cars...Time for a 470

    TommyV, May 24, 2021 ... 2 3 4
    Replies:
    66
    Views:
    2,880
    Bens99gtp
    May 27, 2021
  11. rollerball

    Is the Buick 455 a weak engine?

    rollerball, Dec 22, 2006 ... 2 3 4
    Replies:
    66
    Views:
    30,150
    rolliew
    Nov 13, 2019
  12. yachtsmanbill

    Still running lousy...

    yachtsmanbill, Mar 29, 2015 ... 2 3 4
    Replies:
    66
    Views:
    10,674
    UticaGeoff
    Apr 8, 2015
  13. jmccart

    1/2" fuel line conversion

    jmccart, Feb 12, 2004 ... 2 3 4
    Replies:
    66
    Views:
    4,756
    70aqua_custom
    Mar 9, 2008
  14. srb

    Cooling issue on idle; waterpump(?) combo(?)

    srb, Oct 30, 2022 ... 2 3 4
    Replies:
    65
    Views:
    2,528
    srb
    Jun 12, 2023
  15. Kenneth Willis

    Torque strap

    Kenneth Willis, Nov 4, 2017 ... 2 3 4
    Replies:
    65
    Views:
    6,885
    Mark Demko
    Mar 4, 2023
  16. Sebambam

    Richard Holdener 455 testing

    Sebambam, Aug 6, 2020 ... 2 3 4
    Replies:
    65
    Views:
    3,981
    breakinbuick11
    Aug 17, 2020
  17. Torsdalen

    EFI for Buick 455, what do i choose ?

    Torsdalen, Feb 23, 2018 ... 2 3 4
    Replies:
    65
    Views:
    12,799
    sailbrd
    Oct 7, 2018
  18. 1973gs

    2 more broken valve springs

    1973gs, Dec 22, 2023 ... 2 3 4
    Replies:
    64
    Views:
    1,665
    1973gs
    Jan 9, 2024
  19. RoseBud68

    After more than ten year of rest, Its time

    RoseBud68, Mar 17, 2019 ... 2 3 4
    Replies:
    64
    Views:
    3,593
    RoseBud68
    Apr 27, 2019
  20. 462 Chevelle

    max rpm with this combo

    462 Chevelle, Jan 19, 2012 ... 2 3 4
    Replies:
    64
    Views:
    4,944
    online170
    Jan 24, 2012
  21. Opa

    NOS 455 shortblock

    Opa, Jan 10, 2012 ... 2 3 4
    Replies:
    64
    Views:
    6,837
    Gary Bohannon
    Jan 23, 2012
  22. nelson20

    455 Performer intake install

    nelson20, Jan 29, 2009 ... 2 3 4
    Replies:
    64
    Views:
    11,908
    nelson20
    Mar 4, 2009
  23. 1969briviera

    Best 60's V8 ever build

    1969briviera, Mar 27, 2024 ... 2 3 4
    Replies:
    63
    Views:
    1,670
    Luxus
    Mar 30, 2024
  24. rkammer

    Help me decide how to sell my great running motor.

    rkammer, Mar 14, 2021 ... 2 3 4
    Replies:
    63
    Views:
    3,206
    Bad Buick
    Mar 24, 2021
  25. '72 Skylark Custom 4bbl

    455 Dyno'd today & I am horrified!!

    '72 Skylark Custom 4bbl, May 25, 2019 ... 2 3 4
    Replies:
    63
    Views:
    5,059
    12lives
    May 30, 2019
  26. Jim Weise

    1000+ HP Supercharged BBB

    Jim Weise, Sep 23, 2010 ... 2 3 4
    Replies:
    63
    Views:
    21,029
    stg1john
    Oct 8, 2013
  27. Torsdalen

    Noise from lifters after rebuild buick 455

    Torsdalen, Apr 18, 2013 ... 2 3 4
    Replies:
    63
    Views:
    17,325
    paul c
    Jul 27, 2013
  28. pmuller9

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

    pmuller9, Mar 6, 2013 ... 2 3 4
    Replies:
    63
    Views:
    8,771
    LARRY70GS
    Jul 22, 2013
  29. NickEv

    Cam degree issue losing my mind!!!!!!!!!!!!

    NickEv, Feb 9, 2013 ... 2 3 4
    Replies:
    63
    Views:
    4,592
    NickEv
    Feb 19, 2013
  30. Skidmark

    462 build, help with static and dynamic compression

    Skidmark, Oct 12, 2012 ... 2 3 4
    Replies:
    63
    Views:
    5,711
    Bad Buick
    Oct 21, 2012
  31. LARRY70GS

    Cool Running

    LARRY70GS, Feb 10, 2006 ... 2 3 4
    Replies:
    63
    Views:
    4,743
    71stagegs
    Feb 16, 2006
  32. Utah455

    Spark plug wire recommendation for 455

    Utah455, Aug 29, 2023 ... 2 3 4
    Replies:
    62
    Views:
    2,112
    Max Damage
    Jan 3, 2024
  33. Robs455

    Vibration and blow by (engine tear down)

    Robs455, Mar 19, 2014 ... 2 3 4
    Replies:
    62
    Views:
    9,367
    Robs455
    Jul 15, 2014
  34. Smartin

    Symptoms that Distributor is off by One tooth?

    Smartin, Dec 27, 2003 ... 2 3 4
    Replies:
    62
    Views:
    6,864
    12lives
    Dec 31, 2003
  35. waterwolf

    Edelbrock heads 60049

    waterwolf, Sep 28, 2011 ... 2 3 4
    Replies:
    61
    Views:
    13,174
    TommyV
    Dec 3, 2023
  36. knucklebusted

    Left Me on the Side of the Road! Now What?

    knucklebusted, Aug 1, 2023 ... 2 3 4
    Replies:
    61
    Views:
    2,449
    knucklebusted
    Sep 3, 2023
  37. 2manybuicks

    Damaged Flange on Mickey Thompson Super Scavengers

    2manybuicks, Jul 6, 2018 ... 2 3 4
    Replies:
    61
    Views:
    5,199
    CONNECTNROD
    Feb 11, 2021
  38. kev 190164

    EFI fuel injection

    kev 190164, Oct 10, 2015 ... 2 3 4
    Replies:
    61
    Views:
    12,014
    8ad-f85
    Feb 13, 2016
  39. CJay

    Need a mail order exhaust system that actually fits

    CJay, Oct 7, 2015 ... 2 3 4
    Replies:
    61
    Views:
    10,746
    elagache
    Jan 28, 2016
  40. kick71

    Pinging???Question

    kick71, Apr 18, 2008 ... 2 3 4
    Replies:
    61
    Views:
    3,660
    kick71
    May 24, 2008
  41. tommieboy

    New B4B's in stock...

    tommieboy, Sep 24, 2004 ... 2 3 4
    Replies:
    61
    Views:
    5,257
    69GS400s
    Jan 11, 2005
  42. oldschool85

    Post your 12 /13 Second 455 combos!

    oldschool85, Sep 25, 2016 ... 2 3 4
    Replies:
    60
    Views:
    8,077
    70 GMuscle
    May 26, 2023
  43. 67gsman

    Buick Specific Engine Rebuilders Nationwide ?

    67gsman, Nov 4, 2018 ... 2 3 4
    Replies:
    60
    Views:
    5,259
    Gary Bohannon
    Dec 6, 2022
  44. mikebart101

    Cadillac Big Block Swap

    mikebart101, Feb 20, 2009 ... 2 3 4
    Replies:
    60
    Views:
    20,723
    garybuick
    Jan 1, 2015
  45. Ken Warner

    Aluminum Radiator CHOSEN!

    Ken Warner, Jun 19, 2006 ... 2 3 4
    Replies:
    60
    Views:
    11,317
    Alumitech Repro
    Nov 11, 2007
  46. 70aqua_custom

    How far do you drive your highly modified 455?

    70aqua_custom, Aug 25, 2007 ... 2 3 4
    Replies:
    60
    Views:
    4,159
    bobc455
    Sep 3, 2007
  47. Skylard

    10.5 Slick 68-69 Skylark

    Skylard, Jun 22, 2021 ... 2 3
    Replies:
    59
    Views:
    2,112
    Sebambam
    Jun 30, 2021
  48. 7Duece

    Belt alignment

    7Duece, Aug 11, 2020 ... 2 3
    Replies:
    59
    Views:
    1,731
    LARRY70GS
    Aug 31, 2020
  49. Al Pixton

    lifter noise under load

    Al Pixton, Nov 3, 2018 ... 2 3
    Replies:
    59
    Views:
    4,466
    Mark Demko
    Jun 26, 2019
  50. rcolosi

    290H Cam vacuum

    rcolosi, Dec 16, 2015 ... 2 3
    Replies:
    59
    Views:
    5,469
    Julian
    Feb 26, 2018
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