Street/strip 400/430/455

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

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  1. tubecatgs

    '72 455 build, compatibility and clearances

    tubecatgs, Feb 6, 2024
    Replies:
    16
    Views:
    542
    knucklebusted
    Feb 10, 2024
  2. hugger

    My first attempt

    hugger, Feb 9, 2024
    Replies:
    12
    Views:
    364
    hugger
    Feb 10, 2024
  3. SMITHBERGRACING

    Post Your Flow Numbers - Buick Iron Heads

    SMITHBERGRACING, Apr 28, 2009 ... 2
    Replies:
    35
    Views:
    8,743
    69gs400
    Feb 9, 2024
  4. Bigpig455

    Rod bolt seat chamfer

    Bigpig455, Feb 7, 2024
    Replies:
    6
    Views:
    219
    Bigpig455
    Feb 8, 2024
  5. accelr8

    What primer for the engine block and iron heads?

    accelr8, Feb 6, 2024
    Replies:
    11
    Views:
    397
    Briz
    Feb 8, 2024
  6. jarrett

    494 Stroker reliability?

    jarrett, Feb 3, 2024 ... 2
    Replies:
    31
    Views:
    1,167
    jarrett
    Feb 8, 2024
  7. AtlBantam430

    CNC Edelbrock Heads

    AtlBantam430, Dec 6, 2023
    Replies:
    11
    Views:
    787
    Bens99gtp
    Feb 7, 2024
  8. VET

    Stage 2 - 455

    VET, Feb 3, 2024 ... 3 4 5
    Replies:
    92
    Views:
    2,206
    VET
    Feb 5, 2024
  9. ranger

    Edelbrock Performer available anywhere?

    ranger, Oct 24, 2023
    Replies:
    19
    Views:
    806
    Chi-Town67
    Feb 4, 2024
  10. black70buick

    Weighing on your mind

    black70buick, Feb 2, 2024
    Replies:
    11
    Views:
    337
    BrianTrick
    Feb 4, 2024
  11. ArcticRyan

    Going back to carb from efi..

    ArcticRyan, Jan 26, 2024 ... 2
    Replies:
    35
    Views:
    1,156
    nekkidhillbilly
    Feb 4, 2024
  12. Frankie70GS

    Starter/Flexplate issues

    Frankie70GS, Jan 25, 2024 ... 2
    Replies:
    35
    Views:
    882
    Frankie70GS
    Feb 3, 2024
  13. TommyV

    TA has cams in stock

    TommyV, Jan 22, 2024
    Replies:
    1
    Views:
    350
    Frankie70GS
    Feb 3, 2024
  14. Utah455

    Dip stick and tube question - purpose of tube?

    Utah455, Feb 2, 2024
    Replies:
    13
    Views:
    273
    DaWildcat
    Feb 2, 2024
  15. 1968_GS400

    Recurving pre-1969 stock points distributors

    1968_GS400, Dec 23, 2023 ... 2
    Replies:
    22
    Views:
    852
    87GN_70GS
    Jan 30, 2024
  16. Canadian GS 350

    Weight of a 1972 cast iron intake?

    Canadian GS 350, Jan 21, 2024
    Replies:
    15
    Views:
    421
    black70buick
    Jan 30, 2024
  17. wormwood

    Help with bolt size?

    wormwood, Jan 30, 2024
    Replies:
    3
    Views:
    169
    wormwood
    Jan 30, 2024
  18. Bigpig455

    70/71 GS455 Upper hose

    Bigpig455, Oct 30, 2021 ... 2
    Replies:
    28
    Views:
    1,404
    Brett Slater
    Jan 30, 2024
  19. Utah455

    Heat stove bolt thread question for 72 455 head

    Utah455, Jan 28, 2024
    Replies:
    1
    Views:
    78
    GSX 554
    Jan 28, 2024
  20. Bigpig455

    Oil Drain Back Holes

    Bigpig455, Jan 9, 2024
    Replies:
    9
    Views:
    351
    Bigpig455
    Jan 28, 2024
  21. 12lives

    Aluminium Frame Mount Pads Problems?

    12lives, Jan 24, 2024
    Replies:
    3
    Views:
    244
    knucklebusted
    Jan 25, 2024
  22. rhedelius

    SP1 Intake on 455 in 66-67 Skylark

    rhedelius, Jan 20, 2024
    Replies:
    7
    Views:
    384
    DaWildcat
    Jan 22, 2024
  23. TommyV

    Let’s have your guesses!

    TommyV, Dec 8, 2023 ... 2 3
    Replies:
    44
    Views:
    1,745
    TommyV
    Jan 22, 2024
  24. bluebuick

    Crane cam and lifter ?

    bluebuick, Jan 20, 2024 ... 2
    Replies:
    27
    Views:
    776
    DaWildcat
    Jan 22, 2024
  25. 71stagegs

    cam for 72 gs 350

    71stagegs, Jan 19, 2024
    Replies:
    11
    Views:
    377
    71stagegs
    Jan 21, 2024
  26. hugger

    107-118 cam users

    hugger, Nov 25, 2023 ... 2
    Replies:
    23
    Views:
    1,477
    73Stage2
    Jan 17, 2024
  27. socal rider

    455 build plan

    socal rider, Dec 17, 2023 ... 2
    Replies:
    27
    Views:
    1,241
    Mark Demko
    Jan 16, 2024
  28. Canadian GS 350

    Anyone have experience with TA 510 cam?

    Canadian GS 350, Jan 13, 2024
    Replies:
    6
    Views:
    339
    Canadian GS 350
    Jan 15, 2024
  29. Frankie70GS

    Engine assembly lube

    Frankie70GS, Jan 14, 2024
    Replies:
    9
    Views:
    314
    Schurkey
    Jan 14, 2024
  30. accelr8

    Need the DCR calculator that Larry posted several times

    accelr8, Jan 14, 2024
    Replies:
    5
    Views:
    227
    DaWildcat
    Jan 14, 2024
  31. Frankie70GS

    So. Who knew

    Frankie70GS, Dec 17, 2023 ... 2 3
    Replies:
    41
    Views:
    1,756
    Frankie70GS
    Jan 13, 2024
  32. rkammer

    Value of 1970 Heads, Pistons, cam?

    rkammer, Jan 10, 2024 ... 2
    Replies:
    22
    Views:
    910
    TommyV
    Jan 11, 2024
  33. NotRyan

    Best Way to Get the Carbon Build-up Out of My Engine?

    NotRyan, Apr 14, 2023 ... 2 3
    Replies:
    49
    Views:
    2,016
    12lives
    Jan 10, 2024
  34. quickstage1

    When do I reinstall the inner valve springs after break in?

    quickstage1, Jan 6, 2024
    Replies:
    15
    Views:
    502
    Fox's Den
    Jan 10, 2024
  35. wormwood

    Interesting?

    wormwood, Jan 6, 2024 ... 2
    Replies:
    20
    Views:
    555
    TrunkMonkey
    Jan 10, 2024
  36. 1973gs

    2 more broken valve springs

    1973gs, Dec 22, 2023 ... 2 3 4
    Replies:
    64
    Views:
    1,737
    1973gs
    Jan 9, 2024
  37. VET

    Port job = HP?

    VET, Jan 3, 2024 ... 2 3
    Replies:
    48
    Views:
    1,589
    DaWildcat
    Jan 5, 2024
  38. Canadian GS 350

    Weight of a fully assembled TA stage 2 head, weight of a fully assembled cast iron head?

    Canadian GS 350, Jan 1, 2024 ... 2
    Replies:
    26
    Views:
    862
    BrianTrick
    Jan 3, 2024
  39. Utah455

    Spark plug wire recommendation for 455

    Utah455, Aug 29, 2023 ... 2 3 4
    Replies:
    62
    Views:
    2,178
    Max Damage
    Jan 3, 2024
  40. qak

    progression ignition distributor review

    qak, Apr 15, 2021 ... 4 5 6
    Replies:
    100
    Views:
    11,570
    1968_GS400
    Jan 2, 2024
  41. Bigpig455

    455 Motor Mounts

    Bigpig455, Dec 31, 2023
    Replies:
    2
    Views:
    195
    Bigpig455
    Dec 31, 2023
  42. Luxus

    Booster fuel pump

    Luxus, Dec 18, 2023 ... 2 3
    Replies:
    51
    Views:
    1,181
    ranger
    Dec 30, 2023
  43. RellyRell3605

    Intake leak

    RellyRell3605, Dec 28, 2023
    Replies:
    5
    Views:
    227
    FJM568
    Dec 29, 2023
  44. Brent

    Chevy Lifter in a Buick Question

    Brent, Dec 15, 2023
    Replies:
    13
    Views:
    723
    Mark Demko
    Dec 29, 2023
  45. Johnny Angel

    air filter/sealer pan setup for Stage 2 scoop???

    Johnny Angel, Feb 20, 2020
    Replies:
    14
    Views:
    1,128
    Guy Parquette
    Dec 28, 2023
  46. accelr8

    I'm looking for flat tappet cam manufacture recommendations

    accelr8, Dec 7, 2023 ... 2
    Replies:
    21
    Views:
    1,158
    BrianTrick
    Dec 28, 2023
  47. Briz

    Riviera line lock.

    Briz, Dec 25, 2023
    Replies:
    19
    Views:
    545
    hugger
    Dec 28, 2023
  48. AtlBantam430

    430 oil mod drill bit 5/8 x 12

    AtlBantam430, Dec 25, 2023
    Replies:
    7
    Views:
    468
    AtlBantam430
    Dec 27, 2023
  49. VET

    What is the difference between Manifold & Ported Vacuum Advance? Which one should I use?

    VET, Aug 16, 2023 ... 2
    Replies:
    28
    Views:
    4,421
    Schurkey
    Dec 24, 2023
  50. buick46270

    Setting up distributor

    buick46270, Sep 4, 2007
    Replies:
    18
    Views:
    1,390
    BrianTrick
    Dec 23, 2023
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