Street/strip 400/430/455

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

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  1. TommyV

    Let’s have your guesses!

    TommyV, Dec 8, 2023 ... 2 3
    Replies:
    44
    Views:
    1,723
    TommyV
    Jan 22, 2024
  2. rhedelius

    SP1 Intake on 455 in 66-67 Skylark

    rhedelius, Jan 20, 2024
    Replies:
    7
    Views:
    382
    DaWildcat
    Jan 22, 2024
  3. 12lives

    Aluminium Frame Mount Pads Problems?

    12lives, Jan 24, 2024
    Replies:
    3
    Views:
    243
    knucklebusted
    Jan 25, 2024
  4. Bigpig455

    Oil Drain Back Holes

    Bigpig455, Jan 9, 2024
    Replies:
    9
    Views:
    349
    Bigpig455
    Jan 28, 2024
  5. Utah455

    Heat stove bolt thread question for 72 455 head

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

    70/71 GS455 Upper hose

    Bigpig455, Oct 30, 2021 ... 2
    Replies:
    28
    Views:
    1,398
    Brett Slater
    Jan 30, 2024
  7. wormwood

    Help with bolt size?

    wormwood, Jan 30, 2024
    Replies:
    3
    Views:
    168
    wormwood
    Jan 30, 2024
  8. Canadian GS 350

    Weight of a 1972 cast iron intake?

    Canadian GS 350, Jan 21, 2024
    Replies:
    15
    Views:
    420
    black70buick
    Jan 30, 2024
  9. 1968_GS400

    Recurving pre-1969 stock points distributors

    1968_GS400, Dec 23, 2023 ... 2
    Replies:
    22
    Views:
    848
    87GN_70GS
    Jan 30, 2024
  10. Utah455

    Dip stick and tube question - purpose of tube?

    Utah455, Feb 2, 2024
    Replies:
    13
    Views:
    269
    DaWildcat
    Feb 2, 2024
  11. TommyV

    TA has cams in stock

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

    Starter/Flexplate issues

    Frankie70GS, Jan 25, 2024 ... 2
    Replies:
    35
    Views:
    869
    Frankie70GS
    Feb 3, 2024
  13. ArcticRyan

    Going back to carb from efi..

    ArcticRyan, Jan 26, 2024 ... 2
    Replies:
    35
    Views:
    1,135
    nekkidhillbilly
    Feb 4, 2024
  14. black70buick

    Weighing on your mind

    black70buick, Feb 2, 2024
    Replies:
    11
    Views:
    333
    BrianTrick
    Feb 4, 2024
  15. ranger

    Edelbrock Performer available anywhere?

    ranger, Oct 24, 2023
    Replies:
    19
    Views:
    801
    Chi-Town67
    Feb 4, 2024
  16. VET

    Stage 2 - 455

    VET, Feb 3, 2024 ... 3 4 5
    Replies:
    92
    Views:
    2,171
    VET
    Feb 5, 2024
  17. AtlBantam430

    CNC Edelbrock Heads

    AtlBantam430, Dec 6, 2023
    Replies:
    11
    Views:
    787
    Bens99gtp
    Feb 7, 2024
  18. jarrett

    494 Stroker reliability?

    jarrett, Feb 3, 2024 ... 2
    Replies:
    31
    Views:
    1,155
    jarrett
    Feb 8, 2024
  19. accelr8

    What primer for the engine block and iron heads?

    accelr8, Feb 6, 2024
    Replies:
    11
    Views:
    394
    Briz
    Feb 8, 2024
  20. Bigpig455

    Rod bolt seat chamfer

    Bigpig455, Feb 7, 2024
    Replies:
    6
    Views:
    219
    Bigpig455
    Feb 8, 2024
  21. SMITHBERGRACING

    Post Your Flow Numbers - Buick Iron Heads

    SMITHBERGRACING, Apr 28, 2009 ... 2
    Replies:
    35
    Views:
    8,735
    69gs400
    Feb 9, 2024
  22. hugger

    My first attempt

    hugger, Feb 9, 2024
    Replies:
    12
    Views:
    364
    hugger
    Feb 10, 2024
  23. tubecatgs

    '72 455 build, compatibility and clearances

    tubecatgs, Feb 6, 2024
    Replies:
    16
    Views:
    534
    knucklebusted
    Feb 10, 2024
  24. tubecatgs

    Timing cover oil passage, does size matter?

    tubecatgs, Feb 10, 2024
    Replies:
    5
    Views:
    237
    knucklebusted
    Feb 11, 2024
  25. AtlBantam430

    Front vs rear oil sender

    AtlBantam430, Feb 10, 2024
    Replies:
    6
    Views:
    207
    hugger
    Feb 11, 2024
  26. Jeremy Zepnick

    GS Nationals

    Jeremy Zepnick, Feb 9, 2024
    Replies:
    11
    Views:
    398
    72STAGE1
    Feb 11, 2024
  27. rkammer

    Pertronix vs points ignition timing

    rkammer, Feb 11, 2024
    Replies:
    16
    Views:
    470
    436'd Skylark
    Feb 13, 2024
  28. 70sc455

    ATI SUPER DAMPER?

    70sc455, Feb 11, 2024
    Replies:
    9
    Views:
    295
    BrianTrick
    Feb 13, 2024
  29. AtlBantam430

    Let's talk square bore carbs....

    AtlBantam430, Feb 13, 2024
    Replies:
    12
    Views:
    355
    BrianTrick
    Feb 14, 2024
  30. AtlBantam430

    How to choose the best cam?

    AtlBantam430, Feb 6, 2024 ... 2
    Replies:
    26
    Views:
    836
    AtlBantam430
    Feb 15, 2024
  31. 12lives

    Early vs Late Stage 1 valve covers

    12lives, Feb 15, 2024
    Replies:
    3
    Views:
    255
    hugger
    Feb 16, 2024
  32. Bigpig455

    455 head stamp

    Bigpig455, Feb 15, 2024
    Replies:
    4
    Views:
    256
    Bigpig455
    Feb 16, 2024
  33. Frankie70GS

    Engine oil dipstick tube. With stage 2 headers.

    Frankie70GS, Feb 2, 2024 ... 2
    Replies:
    21
    Views:
    592
    Frankie70GS
    Feb 17, 2024
  34. got_tork

    Stock Connecting Rods

    got_tork, Sep 25, 2023 ... 2 3
    Replies:
    40
    Views:
    1,505
    tubecatgs
    Feb 18, 2024
  35. tubecatgs

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

    tubecatgs, Feb 13, 2024 ... 2 3 4
    Replies:
    70
    Views:
    2,382
    69WILD
    Feb 18, 2024
  36. Canadian GS 350

    Installing motor with stage 2 headers on Sunday

    Canadian GS 350, Feb 16, 2024 ... 2
    Replies:
    38
    Views:
    1,159
    LARRY70GS
    Feb 19, 2024
  37. tubecatgs

    Older 455 Performer intake, 72 heads, and what valley pan?

    tubecatgs, Feb 18, 2024
    Replies:
    12
    Views:
    457
    LARRY70GS
    Feb 21, 2024
  38. Houtan

    Buick 455 dip stick length

    Houtan, Feb 22, 2024
    Replies:
    2
    Views:
    170
    Bigpig455
    Feb 25, 2024
  39. Allen Haynes

    Can't get my buick electra to stay running

    Allen Haynes, Feb 25, 2024
    Replies:
    7
    Views:
    201
    Briz
    Feb 26, 2024
  40. Canadian GS 350

    Ac box on firewall extremely close to valve cover 72 GS

    Canadian GS 350, Feb 26, 2024
    Replies:
    10
    Views:
    272
    BrianTrick
    Feb 27, 2024
  41. Da Torquester.

    Pulling Engine AGAIN For stubborn Rear Main Seal Leak.

    Da Torquester., Feb 26, 2024
    Replies:
    11
    Views:
    482
    TORQUED455
    Feb 28, 2024
  42. George D.

    General tune up parts for a 1970 455 with points

    George D., Feb 26, 2024 ... 2
    Replies:
    25
    Views:
    591
    Jim Weise
    Feb 28, 2024
  43. wormwood

    Valve adjustment?

    wormwood, Feb 28, 2024
    Replies:
    13
    Views:
    365
    gsgtx
    Feb 29, 2024
  44. 12lives

    Another oil thread

    12lives, Feb 29, 2024
    Replies:
    7
    Views:
    275
    knucklebusted
    Mar 1, 2024
  45. wormwood

    this should be the craziest thread of the year...

    wormwood, Feb 14, 2024
    Replies:
    10
    Views:
    604
    Nailhead in a 1967
    Mar 1, 2024
  46. Jim Weise

    New Oil tech..

    Jim Weise, Feb 9, 2011 ... 6 7 8
    Replies:
    146
    Views:
    41,541
    Fox's Den
    Mar 1, 2024
  47. gsgtx

    ported heads vs HP

    gsgtx, Feb 29, 2024
    Replies:
    14
    Views:
    558
    LARRY70GS
    Mar 2, 2024
  48. john.schaefer77

    Header bolts

    john.schaefer77, Feb 28, 2024
    Replies:
    7
    Views:
    256
    Bigpig455
    Mar 4, 2024
  49. Canadian GS 350

    Throttle cable with SPX (assume SP1, SP2, B4B) length issue

    Canadian GS 350, Mar 3, 2024
    Replies:
    6
    Views:
    220
    Canadian GS 350
    Mar 4, 2024
  50. rkammer

    455 Flex Plate Bolts

    rkammer, Mar 5, 2024
    Replies:
    6
    Views:
    287
    Canadian GS 350
    Mar 7, 2024
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