Street/strip 400/430/455

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

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  1. 67skylarkin

    Proform shaft mounted roller rockers, any good?

    67skylarkin, Mar 5, 2023
    Replies:
    15
    Views:
    776
    john.schaefer77
    Mar 9, 2023
  2. knucklebusted

    TA (Maybe Poston) BBB Headers Obstruct Column Shifter?

    knucklebusted, Mar 5, 2023
    Replies:
    14
    Views:
    830
    knucklebusted
    Mar 8, 2023
  3. 67skylarkin

    Does anyone mod their driveshafts?

    67skylarkin, Mar 3, 2023 ... 2
    Replies:
    26
    Views:
    1,122
    12lives
    Mar 6, 2023
  4. ArcticRyan

    Buick enthusiasts/ motor heads in AK?

    ArcticRyan, Feb 25, 2023
    Replies:
    9
    Views:
    382
    Thumper (aka greatscat)
    Mar 6, 2023
  5. Kenneth Willis

    Torque strap

    Kenneth Willis, Nov 4, 2017 ... 2 3 4
    Replies:
    65
    Views:
    6,913
    Mark Demko
    Mar 4, 2023
  6. 87GN_70GS

    Do I have the right distributor gear for this roller core?

    87GN_70GS, Feb 27, 2023
    Replies:
    5
    Views:
    420
    87GN_70GS
    Mar 3, 2023
  7. Sebambam

    455 Performance upgrades with NO headers

    Sebambam, Feb 28, 2023 ... 2
    Replies:
    29
    Views:
    1,241
    Canadian GS 350
    Mar 2, 2023
  8. 87GN_70GS

    Hydraulic roller cam oiling for the distributor gear

    87GN_70GS, Feb 26, 2023
    Replies:
    5
    Views:
    366
    BrunoD
    Feb 28, 2023
  9. mikegs400

    Brace yourself

    mikegs400, Feb 25, 2023
    Replies:
    4
    Views:
    409
    BrianTrick
    Feb 26, 2023
  10. buickbravo

    Need To Know What Size Crankshaft Bolt Is On 455 4 Bbl Lesabre

    buickbravo, Oct 13, 2003
    Replies:
    4
    Views:
    3,846
    mitch28
    Feb 26, 2023
  11. 67skylarkin

    Are these heads good to go?

    67skylarkin, Feb 22, 2023
    Replies:
    16
    Views:
    715
    67skylarkin
    Feb 25, 2023
  12. Electra Sweden

    Buick 455 idle questions

    Electra Sweden, Oct 6, 2022 ... 2 3
    Replies:
    53
    Views:
    3,111
    Electra Sweden
    Feb 25, 2023
  13. rkammer

    Walker Dynomax Super Turbos - Still the Go-To?

    rkammer, Apr 27, 2022 ... 2 3
    Replies:
    47
    Views:
    3,450
    FLGS400
    Feb 24, 2023
  14. Jesse Tackett

    Hydraulic lifter preload

    Jesse Tackett, Feb 23, 2023
    Replies:
    2
    Views:
    324
    LARRY70GS
    Feb 23, 2023
  15. avmechanic

    Holley group has Big Block headers on sale.

    avmechanic, Feb 22, 2023
    Replies:
    4
    Views:
    388
    fastest430
    Feb 23, 2023
  16. 1969briviera

    Valve stem seals 430 ci

    1969briviera, Feb 20, 2023
    Replies:
    7
    Views:
    467
    1969briviera
    Feb 22, 2023
  17. 87GN_70GS

    Rear oil supply line - a different approach

    87GN_70GS, Feb 17, 2023 ... 2
    Replies:
    21
    Views:
    999
    87GN_70GS
    Feb 20, 2023
  18. Brett Slater

    Sheared Distributor Roll Pin

    Brett Slater, Apr 18, 2022 ... 2 3
    Replies:
    50
    Views:
    2,294
    87GN_70GS
    Feb 19, 2023
  19. RoseBud68

    A lot of carbon build up exhaust

    RoseBud68, Feb 19, 2023
    Replies:
    3
    Views:
    242
    RoseBud68
    Feb 19, 2023
  20. rkammer

    Change from Lectric Limited to Pertronix conversion?

    rkammer, Feb 5, 2023 ... 2 3
    Replies:
    42
    Views:
    1,600
    Gary Bohannon
    Feb 13, 2023
  21. got_tork

    Bronze Valve Guide Replacment

    got_tork, Feb 9, 2023
    Replies:
    13
    Views:
    451
    Mark Demko
    Feb 11, 2023
  22. 68special455

    Fuel tank insulation

    68special455, Feb 4, 2023
    Replies:
    7
    Views:
    389
    knucklebusted
    Feb 9, 2023
  23. Da Torquester.

    Good Fitting Engine Diaper

    Da Torquester., Feb 8, 2023
    Replies:
    2
    Views:
    298
    Da Torquester.
    Feb 9, 2023
  24. Frankie70GS

    Starter Clearances

    Frankie70GS, Jan 13, 2023 ... 2
    Replies:
    20
    Views:
    872
    1973gs
    Feb 9, 2023
  25. Ray

    New build

    Ray, Feb 5, 2023
    Replies:
    9
    Views:
    517
    73Stage2
    Feb 8, 2023
  26. mikegs400

    whats the diff.

    mikegs400, Feb 2, 2023
    Replies:
    12
    Views:
    579
    mikegs400
    Feb 6, 2023
  27. mikegs400

    Good machine shop

    mikegs400, Feb 5, 2023
    Replies:
    0
    Views:
    224
    mikegs400
    Feb 5, 2023
  28. Bigpig455

    Head Porting write up

    Bigpig455, Feb 4, 2023
    Replies:
    5
    Views:
    378
    LARRY70GS
    Feb 5, 2023
  29. 1970stage1455

    What valve springs to use?

    1970stage1455, Feb 1, 2023
    Replies:
    11
    Views:
    583
    BrunoD
    Feb 2, 2023
  30. Canadian GS 350

    71 and up 455 oil pressure hole size at front of block

    Canadian GS 350, Jan 29, 2023
    Replies:
    8
    Views:
    309
    Canadian GS 350
    Jan 30, 2023
  31. Jim57

    Camshaft

    Jim57, Jan 24, 2023
    Replies:
    11
    Views:
    720
    LARRY70GS
    Jan 24, 2023
  32. Jim57

    Camshafts

    Jim57, Jan 23, 2023
    Replies:
    3
    Views:
    379
    Schurkey
    Jan 24, 2023
  33. jr_

    Cam lobe to lifter alignment

    jr_, Jan 14, 2023
    Replies:
    13
    Views:
    667
    70 GMuscle
    Jan 21, 2023
  34. 87GN_70GS

    I cannot recommend the BOP one-piece rear main seal

    87GN_70GS, Jan 9, 2023
    Replies:
    16
    Views:
    1,254
    87GN_70GS
    Jan 20, 2023
  35. calvin dubose

    SR code SF code 455's whats the Difference

    calvin dubose, May 30, 2006 ... 2 3
    Replies:
    46
    Views:
    11,646
    LARRY70GS
    Jan 14, 2023
  36. srobinr

    Is this engine usable for stockish rebuild

    srobinr, Jan 12, 2023
    Replies:
    16
    Views:
    563
    Mark Demko
    Jan 14, 2023
  37. Jerrit72Riv

    Looking for Advice, Suggestions for Street 455 Build

    Jerrit72Riv, Dec 8, 2020 ... 2
    Replies:
    33
    Views:
    1,800
    Mark Demko
    Jan 13, 2023
  38. Carcrazy

    455 casting numbers vs stamped codes

    Carcrazy, Jan 12, 2023
    Replies:
    5
    Views:
    273
    Bigpig455
    Jan 12, 2023
  39. Bogus919

    Head Gasket Option, what should I use?

    Bogus919, Jan 10, 2023
    Replies:
    11
    Views:
    415
    Bogus919
    Jan 11, 2023
  40. 68special455

    Crazy loud fuel pump

    68special455, Jan 7, 2023 ... 2
    Replies:
    21
    Views:
    745
    68special455
    Jan 10, 2023
  41. RoseBud68

    GS Xmas gift

    RoseBud68, Jan 1, 2023
    Replies:
    3
    Views:
    345
    RoseBud68
    Jan 10, 2023
  42. fastest430

    Questionable casting

    fastest430, Jan 6, 2023 ... 2
    Replies:
    23
    Views:
    892
    hugger
    Jan 10, 2023
  43. dmruschell

    455 replacing fuel pump

    dmruschell, Jun 12, 2015 ... 2
    Replies:
    20
    Views:
    7,087
    BrunoD
    Jan 10, 2023
  44. fanofsteel

    Upgrade to a roller setup on 1970 GS455 with many TA parts

    fanofsteel, Dec 17, 2022 ... 2 3
    Replies:
    51
    Views:
    2,299
    Mark Demko
    Jan 10, 2023
  45. Briz

    That annoying tick.

    Briz, Sep 17, 2022 ... 2 3
    Replies:
    40
    Views:
    1,917
    Briz
    Jan 9, 2023
  46. ranger

    Best Canned Octane Booster??

    ranger, Dec 31, 2022 ... 2 3
    Replies:
    47
    Views:
    1,925
    Ken Mild
    Jan 9, 2023
  47. Jenna Nieves

    Howards Hyd Roller Lifters

    Jenna Nieves, Jan 6, 2023
    Replies:
    4
    Views:
    379
    sean Buick 76
    Jan 7, 2023
  48. The Big Guy

    Need harmonic balancer for Stage 1 455. Suggestions?

    The Big Guy, Dec 28, 2022
    Replies:
    8
    Views:
    424
    steve murray
    Jan 2, 2023
  49. 1969RIVI

    Another Compression ratio and build spec's thread

    1969RIVI, Jan 25, 2022 ... 2
    Replies:
    33
    Views:
    1,507
    sean Buick 76
    Dec 31, 2022
  50. Jesse Tackett

    Buick 455 specific valve spring shims??

    Jesse Tackett, Dec 26, 2022
    Replies:
    11
    Views:
    467
    Bens99gtp
    Dec 31, 2022
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