Street/strip 400/430/455

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

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  1. drspencer

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

    drspencer, Dec 27, 2009 ... 3 4 5
    Replies:
    80
    Views:
    8,562
    300sbb_overkill
    Jul 26, 2017
  2. BOPGMCARS

    8.3 in 1/8 mile with 3.90 gear

    BOPGMCARS, May 15, 2013 ... 3 4 5
    Replies:
    80
    Views:
    7,224
    BOPGMCARS
    Nov 25, 2014
  3. pooods

    Junk Header Gaskets!!! Now, opinions needed.

    pooods, May 15, 2004 ... 3 4 5
    Replies:
    80
    Views:
    9,351
    sean Buick 76
    Apr 24, 2012
  4. Jason Teague

    Anyone running The GSCA Pop Mech cam in thier 455?

    Jason Teague, Nov 18, 2003 ... 3 4 5
    Replies:
    80
    Views:
    5,894
    KELLY SONNABEND
    Nov 22, 2003
  5. 69 stepchild

    Thoughts on 455 oil pressure drop?

    69 stepchild, Jul 14, 2021 ... 2 3 4
    Replies:
    79
    Views:
    3,029
    69 stepchild
    Oct 12, 2021
  6. OZGS455

    Timing Chain Cover

    OZGS455, Dec 11, 2018 ... 2 3 4
    Replies:
    79
    Views:
    3,722
    OZGS455
    Jan 8, 2019
  7. oldsbuickhybrid

    Fixing Up 1976 Buick Junkyard Engine

    oldsbuickhybrid, Jul 25, 2014 ... 2 3 4
    Replies:
    79
    Views:
    11,726
    oldsbuickhybrid
    Nov 2, 2016
  8. Jim Weise

    BB Exhaust manifold testing revisted

    Jim Weise, Dec 3, 2015 ... 2 3 4
    Replies:
    79
    Views:
    6,838
    Gary Farmer
    Dec 7, 2015
  9. Whitedrifter

    rear end ratio??????

    Whitedrifter, Oct 6, 2012 ... 2 3 4
    Replies:
    79
    Views:
    10,121
    Whitedrifter
    Oct 25, 2012
  10. 462 Chevelle

    im doing it! nitrous

    462 Chevelle, Oct 11, 2011 ... 2 3 4
    Replies:
    79
    Views:
    5,048
    carmantx
    Oct 28, 2011
  11. BLT4SPD

    starting up a new engine.....

    BLT4SPD, Nov 14, 2004 ... 2 3 4
    Replies:
    78
    Views:
    3,806
    BLT4SPD
    Dec 28, 2004
  12. dukec

    Cooling issue

    dukec, Jul 5, 2013 ... 2 3 4
    Replies:
    77
    Views:
    6,031
    TheSilverBuick
    Aug 5, 2013
  13. NeverL8

    455 Stage 2 build has started!

    NeverL8, May 21, 2009 ... 2 3 4
    Replies:
    77
    Views:
    11,537
    LukeN
    Mar 16, 2012
  14. KenneBelle455

    Problems with fresh 455 rebuild, machine shop

    KenneBelle455, Feb 14, 2018 ... 2 3 4
    Replies:
    76
    Views:
    7,244
    Stage 2 iron
    May 29, 2020
  15. 68riviera430

    Car starting issues are driving me crazy!

    68riviera430, Dec 7, 2009 ... 2 3 4
    Replies:
    76
    Views:
    3,823
    Daves72
    Dec 15, 2009
  16. whamo

    11 second combos

    whamo, Feb 24, 2008 ... 2 3 4
    Replies:
    76
    Views:
    17,103
    cray1801
    Oct 2, 2009
  17. mygs462

    Aluminum radiator HELP

    mygs462, Mar 22, 2005 ... 2 3 4
    Replies:
    76
    Views:
    7,558
    xxtremeGS
    Nov 11, 2005
  18. chrisg

    OK, how do I get my '72 Skylark from 12.20's to 11.80's?

    chrisg, Nov 14, 2014 ... 2 3 4
    Replies:
    75
    Views:
    12,457
    70 gsconvt
    Aug 30, 2015
  19. Jim Weise

    Sneak peek.. STG 2 Iron motor- all the parts from Buick..

    Jim Weise, Dec 3, 2009 ... 2 3 4
    Replies:
    75
    Views:
    12,553
    Aerobatix
    Sep 3, 2014
  20. GNSX

    Tuning a stock 455

    GNSX, Apr 24, 2014 ... 2 3 4
    Replies:
    75
    Views:
    9,930
    GNSX
    May 28, 2014
  21. Cutlass

    Wanted: 75 Horses escaped my Buick

    Cutlass, Sep 5, 2019 ... 2 3 4
    Replies:
    74
    Views:
    4,369
    Cutlass
    Sep 21, 2020
  22. 70purplerag

    Ignition upgrade:MSD,Accel,Crane, Mallory, Jacobs, Holley?

    70purplerag, Sep 23, 2003 ... 2 3 4
    Replies:
    74
    Views:
    26,777
    Schurkey
    May 20, 2016
  23. rkammer

    Help me with some engine build decisions, please............

    rkammer, May 24, 2014 ... 2 3 4
    Replies:
    74
    Views:
    4,531
    pmuller9
    Jun 25, 2014
  24. VET

    How important is it to have a good .040 squish/quench?

    VET, Sep 11, 2023 ... 2 3 4
    Replies:
    73
    Views:
    2,102
    Mark Demko
    Sep 26, 2023
  25. 1969RIVI

    Engine assembly questions for noobies

    1969RIVI, Aug 1, 2021 ... 2 3 4
    Replies:
    73
    Views:
    3,345
    1969RIVI
    Sep 19, 2021
  26. JayZee88

    My 455 engine recipe

    JayZee88, Mar 12, 2016 ... 2 3 4
    Replies:
    73
    Views:
    8,310
    Rich Wardwell
    Jan 2, 2020
  27. hugger

    500" iron setup

    hugger, Jun 9, 2019 ... 2 3 4
    Replies:
    73
    Views:
    3,711
    Bens99gtp
    Jun 22, 2019
  28. theone61636

    Buick 455 build...last one i swear

    theone61636, Feb 16, 2014 ... 2 3 4
    Replies:
    73
    Views:
    11,343
    snucks
    Oct 18, 2014
  29. LeSabre400

    Intake manifold of choice?

    LeSabre400, May 20, 2004 ... 2 3 4
    Replies:
    73
    Views:
    30,070
    BQUICK
    Mar 8, 2013
  30. 1969briviera

    Oil consumption 430ci

    1969briviera, Aug 10, 2023 ... 2 3 4
    Replies:
    72
    Views:
    1,974
    1969briviera
    Aug 18, 2023
  31. 68Wildcat455

    BBB overheating at idle.

    68Wildcat455, Jun 28, 2016 ... 2 3 4
    Replies:
    72
    Views:
    6,884
    buicksstage1
    Sep 5, 2019
  32. Donks82

    Buick 455

    Donks82, Jan 6, 2009 ... 2 3 4
    Replies:
    72
    Views:
    17,010
    Donks82
    Feb 15, 2009
  33. 41speciman

    Camshaft and gears

    41speciman, Aug 22, 2018 ... 2 3 4
    Replies:
    71
    Views:
    3,347
    MN GS455
    Oct 29, 2018
  34. BIGJOE

    I came up on a great deal, but now I have a dilemma!

    BIGJOE, Nov 21, 2011 ... 2 3 4
    Replies:
    71
    Views:
    6,561
    BIGJOE
    Dec 9, 2011
  35. WarHawg75

    Enough Carb?

    WarHawg75, May 15, 2011 ... 2 3 4
    Replies:
    71
    Views:
    5,048
    WarHawg75
    Jul 2, 2011
  36. 462bbbcamaro
    Locked

    Can you guys look at some pics for me and help me settle something PLEASE

    462bbbcamaro, Jan 1, 2011 ... 2 3 4
    Replies:
    71
    Views:
    6,750
    Jim Weise
    Jan 29, 2011
  37. ejackson1271

    Let's Hear it!!!!!!

    ejackson1271, Feb 22, 2009 ... 2 3 4
    Replies:
    71
    Views:
    17,030
    skylarkcruiser
    Dec 19, 2010
  38. tubecatgs

    Roller or flat tappet cams? shop won't guarantee flat tappet...

    tubecatgs, Feb 13, 2024 ... 2 3 4
    Replies:
    70
    Views:
    2,253
    69WILD
    Feb 18, 2024
  39. 69SkylarkGS

    Broken main cap bolts on a 455

    69SkylarkGS, Dec 14, 2019 ... 2 3 4
    Replies:
    70
    Views:
    3,933
    69SkylarkGS
    Mar 30, 2020
  40. sootie007

    Car Craft June 2009 455 Buildups

    sootie007, Apr 9, 2009 ... 2 3 4
    Replies:
    70
    Views:
    8,084
    sootie007
    May 12, 2009
  41. LARRY70GS

    SP-1 Intake installed

    LARRY70GS, Jul 15, 2007 ... 2 3 4
    Replies:
    70
    Views:
    9,391
    LARRY70GS
    Aug 19, 2007
  42. jj455

    Oil Pressure....help

    jj455, Jul 31, 2009 ... 2 3 4
    Replies:
    69
    Views:
    4,704
    jay bird
    Aug 10, 2009
  43. VET

    Upgrade a Base 455 to a Stage 1 Engine

    VET, Aug 1, 2023 ... 2 3 4
    Replies:
    68
    Views:
    1,719
    TrunkMonkey
    Aug 7, 2023
  44. 455 Powered

    600hp with exhaust manifolds?

    455 Powered, Dec 12, 2020 ... 2 3 4
    Replies:
    68
    Views:
    3,847
    BuickV8Mike
    Dec 20, 2020
  45. buicksstage1

    Dyno results 470 street engine

    buicksstage1, Nov 15, 2016 ... 2 3 4
    Replies:
    68
    Views:
    10,974
    Julian
    Mar 10, 2018
  46. Ratty72lark

    Doing a 455 build now

    Ratty72lark, Sep 23, 2015 ... 2 3 4
    Replies:
    68
    Views:
    7,647
    Ratty72lark
    Mar 24, 2016
  47. 1972LesabreVert

    When to use synthetic oil?

    1972LesabreVert, Jul 3, 2012 ... 2 3 4
    Replies:
    68
    Views:
    11,504
    DauntlessSB92
    Sep 12, 2012
  48. bmdiener

    LS Swap

    bmdiener, Nov 22, 2010 ... 2 3 4
    Replies:
    68
    Views:
    20,664
    bammax
    Nov 27, 2010
  49. Smiley's84

    buick engine builders in Ohio

    Smiley's84, Apr 8, 2007 ... 2 3 4
    Replies:
    68
    Views:
    14,884
    ranger
    Sep 2, 2007
  50. 1969briviera

    Buick's head design

    1969briviera, Sep 13, 2023 ... 2 3 4
    Replies:
    67
    Views:
    1,932
    PGSS
    Sep 18, 2023
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