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

    455 build quote/next steps/advice

    tubecatgs, Mar 20, 2024 ... 2
    Replies:
    21
    Views:
    662
    FJM568
    Mar 21, 2024
  2. 68Buick-Jim

    Oil pressure dropping during camshaft break-in.

    68Buick-Jim, Mar 9, 2024 ... 2 3
    Replies:
    42
    Views:
    1,705
    68Buick-Jim
    Mar 19, 2024
  3. Steve Reynolds

    K&P Engineering Oil Filters

    Steve Reynolds, Nov 9, 2018 ... 2
    Replies:
    33
    Views:
    3,108
    cjeboyle
    Mar 19, 2024
  4. cknox

    total timing

    cknox, Mar 11, 2024 ... 2 3
    Replies:
    47
    Views:
    1,155
    1969briviera
    Mar 17, 2024
  5. BQUICK

    455 Cam ID

    BQUICK, Mar 15, 2024
    Replies:
    0
    Views:
    137
    BQUICK
    Mar 15, 2024
  6. avmechanic

    Choosing one of my cams for my current 455 build.

    avmechanic, Mar 14, 2024
    Replies:
    9
    Views:
    336
    hugger
    Mar 15, 2024
  7. patwhac

    67 430 "Big Port" Heads Worth It?

    patwhac, Aug 10, 2018 ... 2
    Replies:
    29
    Views:
    2,450
    patwhac
    Mar 11, 2024
  8. Frankie70GS

    Spark plugs

    Frankie70GS, Mar 28, 2023 ... 2
    Replies:
    29
    Views:
    995
    LARRY70GS
    Mar 10, 2024
  9. mazzy70

    TA-212 What initial advance are you running? Any big car experience?

    mazzy70, Oct 11, 2008
    Replies:
    9
    Views:
    1,344
    mazzy70
    Mar 9, 2024
  10. Jim Weise

    The "Sneaky 500 HP" motor

    Jim Weise, Jul 14, 2009 ... 3 4 5
    Replies:
    92
    Views:
    32,170
    Ryans-GSX
    Mar 8, 2024
  11. Utah455

    AT-205 Re seal - Anyone ever use to stop oil leaks?

    Utah455, Mar 5, 2024
    Replies:
    13
    Views:
    392
    Rob Ross
    Mar 8, 2024
  12. got_tork

    Another Bearing Clearance Question

    got_tork, Mar 7, 2024
    Replies:
    2
    Views:
    136
    LARRY70GS
    Mar 7, 2024
  13. rkammer

    455 Flex Plate Bolts

    rkammer, Mar 5, 2024
    Replies:
    6
    Views:
    283
    Canadian GS 350
    Mar 7, 2024
  14. Canadian GS 350

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

    Canadian GS 350, Mar 3, 2024
    Replies:
    6
    Views:
    219
    Canadian GS 350
    Mar 4, 2024
  15. john.schaefer77

    Header bolts

    john.schaefer77, Feb 28, 2024
    Replies:
    7
    Views:
    252
    Bigpig455
    Mar 4, 2024
  16. gsgtx

    ported heads vs HP

    gsgtx, Feb 29, 2024
    Replies:
    14
    Views:
    548
    LARRY70GS
    Mar 2, 2024
  17. Jim Weise

    New Oil tech..

    Jim Weise, Feb 9, 2011 ... 6 7 8
    Replies:
    146
    Views:
    41,461
    Fox's Den
    Mar 1, 2024
  18. wormwood

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

    wormwood, Feb 14, 2024
    Replies:
    10
    Views:
    602
    Nailhead in a 1967
    Mar 1, 2024
  19. 12lives

    Another oil thread

    12lives, Feb 29, 2024
    Replies:
    7
    Views:
    274
    knucklebusted
    Mar 1, 2024
  20. wormwood

    Valve adjustment?

    wormwood, Feb 28, 2024
    Replies:
    13
    Views:
    358
    gsgtx
    Feb 29, 2024
  21. George D.

    General tune up parts for a 1970 455 with points

    George D., Feb 26, 2024 ... 2
    Replies:
    25
    Views:
    578
    Jim Weise
    Feb 28, 2024
  22. Da Torquester.

    Pulling Engine AGAIN For stubborn Rear Main Seal Leak.

    Da Torquester., Feb 26, 2024
    Replies:
    11
    Views:
    476
    TORQUED455
    Feb 28, 2024
  23. Canadian GS 350

    Ac box on firewall extremely close to valve cover 72 GS

    Canadian GS 350, Feb 26, 2024
    Replies:
    10
    Views:
    265
    BrianTrick
    Feb 27, 2024
  24. Allen Haynes

    Can't get my buick electra to stay running

    Allen Haynes, Feb 25, 2024
    Replies:
    7
    Views:
    199
    Briz
    Feb 26, 2024
  25. Houtan

    Buick 455 dip stick length

    Houtan, Feb 22, 2024
    Replies:
    2
    Views:
    168
    Bigpig455
    Feb 25, 2024
  26. tubecatgs

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

    tubecatgs, Feb 18, 2024
    Replies:
    12
    Views:
    447
    LARRY70GS
    Feb 21, 2024
  27. Canadian GS 350

    Installing motor with stage 2 headers on Sunday

    Canadian GS 350, Feb 16, 2024 ... 2
    Replies:
    38
    Views:
    1,138
    LARRY70GS
    Feb 19, 2024
  28. tubecatgs

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

    tubecatgs, Feb 13, 2024 ... 2 3 4
    Replies:
    70
    Views:
    2,322
    69WILD
    Feb 18, 2024
  29. got_tork

    Stock Connecting Rods

    got_tork, Sep 25, 2023 ... 2 3
    Replies:
    40
    Views:
    1,502
    tubecatgs
    Feb 18, 2024
  30. Frankie70GS

    Engine oil dipstick tube. With stage 2 headers.

    Frankie70GS, Feb 2, 2024 ... 2
    Replies:
    21
    Views:
    590
    Frankie70GS
    Feb 17, 2024
  31. Bigpig455

    455 head stamp

    Bigpig455, Feb 15, 2024
    Replies:
    4
    Views:
    255
    Bigpig455
    Feb 16, 2024
  32. 12lives

    Early vs Late Stage 1 valve covers

    12lives, Feb 15, 2024
    Replies:
    3
    Views:
    251
    hugger
    Feb 16, 2024
  33. AtlBantam430

    How to choose the best cam?

    AtlBantam430, Feb 6, 2024 ... 2
    Replies:
    26
    Views:
    824
    AtlBantam430
    Feb 15, 2024
  34. AtlBantam430

    Let's talk square bore carbs....

    AtlBantam430, Feb 13, 2024
    Replies:
    12
    Views:
    349
    BrianTrick
    Feb 14, 2024
  35. 70sc455

    ATI SUPER DAMPER?

    70sc455, Feb 11, 2024
    Replies:
    9
    Views:
    292
    BrianTrick
    Feb 13, 2024
  36. rkammer

    Pertronix vs points ignition timing

    rkammer, Feb 11, 2024
    Replies:
    16
    Views:
    453
    436'd Skylark
    Feb 13, 2024
  37. Jeremy Zepnick

    GS Nationals

    Jeremy Zepnick, Feb 9, 2024
    Replies:
    11
    Views:
    395
    72STAGE1
    Feb 11, 2024
  38. AtlBantam430

    Front vs rear oil sender

    AtlBantam430, Feb 10, 2024
    Replies:
    6
    Views:
    201
    hugger
    Feb 11, 2024
  39. tubecatgs

    Timing cover oil passage, does size matter?

    tubecatgs, Feb 10, 2024
    Replies:
    5
    Views:
    229
    knucklebusted
    Feb 11, 2024
  40. tubecatgs

    '72 455 build, compatibility and clearances

    tubecatgs, Feb 6, 2024
    Replies:
    16
    Views:
    524
    knucklebusted
    Feb 10, 2024
  41. hugger

    My first attempt

    hugger, Feb 9, 2024
    Replies:
    12
    Views:
    362
    hugger
    Feb 10, 2024
  42. SMITHBERGRACING

    Post Your Flow Numbers - Buick Iron Heads

    SMITHBERGRACING, Apr 28, 2009 ... 2
    Replies:
    35
    Views:
    8,727
    69gs400
    Feb 9, 2024
  43. Bigpig455

    Rod bolt seat chamfer

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

    What primer for the engine block and iron heads?

    accelr8, Feb 6, 2024
    Replies:
    11
    Views:
    389
    Briz
    Feb 8, 2024
  45. jarrett

    494 Stroker reliability?

    jarrett, Feb 3, 2024 ... 2
    Replies:
    31
    Views:
    1,136
    jarrett
    Feb 8, 2024
  46. AtlBantam430

    CNC Edelbrock Heads

    AtlBantam430, Dec 6, 2023
    Replies:
    11
    Views:
    786
    Bens99gtp
    Feb 7, 2024
  47. VET

    Stage 2 - 455

    VET, Feb 3, 2024 ... 3 4 5
    Replies:
    92
    Views:
    2,151
    VET
    Feb 5, 2024
  48. ranger

    Edelbrock Performer available anywhere?

    ranger, Oct 24, 2023
    Replies:
    19
    Views:
    785
    Chi-Town67
    Feb 4, 2024
  49. black70buick

    Weighing on your mind

    black70buick, Feb 2, 2024
    Replies:
    11
    Views:
    329
    BrianTrick
    Feb 4, 2024
  50. ArcticRyan

    Going back to carb from efi..

    ArcticRyan, Jan 26, 2024 ... 2
    Replies:
    35
    Views:
    1,132
    nekkidhillbilly
    Feb 4, 2024
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