Street/strip 400/430/455

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

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  1. Bigpig455

    455 Motor Mounts

    Bigpig455, Dec 31, 2023
    Replies:
    2
    Views:
    188
    Bigpig455
    Dec 31, 2023
  2. RellyRell3605

    Intake leak

    RellyRell3605, Dec 28, 2023
    Replies:
    5
    Views:
    216
    FJM568
    Dec 29, 2023
  3. AtlBantam430

    430 oil mod drill bit 5/8 x 12

    AtlBantam430, Dec 25, 2023
    Replies:
    7
    Views:
    451
    AtlBantam430
    Dec 27, 2023
  4. Briz

    Riviera line lock.

    Briz, Dec 25, 2023
    Replies:
    19
    Views:
    522
    hugger
    Dec 28, 2023
  5. 1968_GS400

    Recurving pre-1969 stock points distributors

    1968_GS400, Dec 23, 2023 ... 2
    Replies:
    22
    Views:
    817
    87GN_70GS
    Jan 30, 2024
  6. 1973gs

    2 more broken valve springs

    1973gs, Dec 22, 2023 ... 2 3 4
    Replies:
    64
    Views:
    1,658
    1973gs
    Jan 9, 2024
  7. Luxus

    Booster fuel pump

    Luxus, Dec 18, 2023 ... 2 3
    Replies:
    51
    Views:
    1,124
    ranger
    Dec 30, 2023
  8. socal rider

    455 build plan

    socal rider, Dec 17, 2023 ... 2
    Replies:
    27
    Views:
    1,213
    Mark Demko
    Jan 16, 2024
  9. Frankie70GS

    So. Who knew

    Frankie70GS, Dec 17, 2023 ... 2 3
    Replies:
    41
    Views:
    1,706
    Frankie70GS
    Jan 13, 2024
  10. Brent

    Chevy Lifter in a Buick Question

    Brent, Dec 15, 2023
    Replies:
    13
    Views:
    699
    Mark Demko
    Dec 29, 2023
  11. Dj stoner

    Machine shop

    Dj stoner, Dec 13, 2023
    Replies:
    10
    Views:
    387
    knucklebusted
    Dec 15, 2023
  12. breakinbuick11

    Need motor mount to frame pad installation validation

    breakinbuick11, Dec 13, 2023 ... 2
    Replies:
    23
    Views:
    552
    RoseBud68
    Dec 19, 2023
  13. Dj stoner

    Novice / Uneducated

    Dj stoner, Dec 11, 2023 ... 2 3
    Replies:
    50
    Views:
    1,624
    TommyV
    Dec 22, 2023
  14. socal rider

    Identify 73 455

    socal rider, Dec 10, 2023
    Replies:
    11
    Views:
    357
    Herman Gross
    Dec 13, 2023
  15. hugger

    Stock shortblock cams

    hugger, Dec 10, 2023
    Replies:
    14
    Views:
    379
    hugger
    Dec 10, 2023
  16. got_tork

    Hays 15-075 Sfi Flexplate

    got_tork, Dec 9, 2023
    Replies:
    4
    Views:
    175
    got_tork
    Dec 10, 2023
  17. TommyV

    Let’s have your guesses!

    TommyV, Dec 8, 2023 ... 2 3
    Replies:
    44
    Views:
    1,684
    TommyV
    Jan 22, 2024
  18. accelr8

    I'm looking for flat tappet cam manufacture recommendations

    accelr8, Dec 7, 2023 ... 2
    Replies:
    21
    Views:
    1,122
    BrianTrick
    Dec 28, 2023
  19. AtlBantam430

    CNC Edelbrock Heads

    AtlBantam430, Dec 6, 2023
    Replies:
    11
    Views:
    782
    Bens99gtp
    Feb 7, 2024
  20. TommyV

    TA Stage 2 Headers..2” or 2 1/8th”?

    TommyV, Dec 5, 2023
    Replies:
    11
    Views:
    412
    TommyV
    Dec 6, 2023
  21. Utah455

    Emissions sticker location for 1970 Stage1 Plastic top

    Utah455, Dec 2, 2023
    Replies:
    6
    Views:
    182
    Utah455
    Dec 2, 2023
  22. FJM568

    what valve stem seals to use during refresh?

    FJM568, Nov 29, 2023
    Replies:
    4
    Views:
    218
    Thumper (aka greatscat)
    Nov 30, 2023
  23. Bigpig455

    Has anyone got a cam card for an older version of the TA C118 Cam?

    Bigpig455, Nov 28, 2023
    Replies:
    2
    Views:
    176
    Bigpig455
    Nov 29, 2023
  24. Imreal

    455 need oil pan for girdled block?

    Imreal, Nov 27, 2023
    Replies:
    6
    Views:
    321
    1973gs
    Dec 3, 2023
  25. FJM568

    455 crank undersize question...

    FJM568, Nov 26, 2023
    Replies:
    8
    Views:
    456
    Schurkey
    Nov 29, 2023
  26. hugger

    107-118 cam users

    hugger, Nov 25, 2023 ... 2
    Replies:
    23
    Views:
    1,449
    73Stage2
    Jan 17, 2024
  27. socal rider

    Front stablizer bar

    socal rider, Nov 23, 2023
    Replies:
    2
    Views:
    193
    socal rider
    Nov 24, 2023
  28. 70Riv455

    T-Stat Housing leak.

    70Riv455, Nov 22, 2023
    Replies:
    7
    Views:
    196
    70Riv455
    Nov 22, 2023
  29. Frankie70GS

    Baby back home. Finally. See y

    Frankie70GS, Nov 21, 2023 ... 2
    Replies:
    32
    Views:
    1,044
    Frankie70GS
    Nov 27, 2023
  30. wormwood

    Ok dumb question of the day

    wormwood, Nov 20, 2023
    Replies:
    13
    Views:
    398
    SpecialWagon65
    Nov 21, 2023
  31. Utah455

    Install a new Fan Shroud - How to, what needs to be removed/not removed?

    Utah455, Nov 20, 2023
    Replies:
    11
    Views:
    330
    TommyV
    Nov 20, 2023
  32. Bigpig455

    455 Coolant Leak

    Bigpig455, Nov 20, 2023
    Replies:
    13
    Views:
    382
    Mark Demko
    Nov 22, 2023
  33. accelr8

    First engine build and have an unusual thrust bearing question

    accelr8, Nov 20, 2023
    Replies:
    7
    Views:
    381
    accelr8
    Nov 21, 2023
  34. Canadian GS 350

    Spx intake with stock ac brackets ….anyone done this?

    Canadian GS 350, Nov 12, 2023
    Replies:
    4
    Views:
    224
    TheSilverBuick
    Nov 13, 2023
  35. socal rider

    New to me 455

    socal rider, Nov 10, 2023
    Replies:
    4
    Views:
    252
    Schurkey
    Nov 11, 2023
  36. Emil H

    The right q-jet for a 455

    Emil H, Nov 10, 2023 ... 2
    Replies:
    20
    Views:
    671
    Emil H
    Nov 14, 2023
  37. Lars GS

    TA Cams

    Lars GS, Nov 9, 2023 ... 2
    Replies:
    31
    Views:
    1,652
    Mark Demko
    Nov 29, 2023
  38. jaystoy

    Header install question

    jaystoy, Nov 7, 2023
    Replies:
    14
    Views:
    471
    jaystoy
    Nov 9, 2023
  39. 70Riv455

    Stupid Coolant question...

    70Riv455, Nov 7, 2023
    Replies:
    9
    Views:
    419
    70Riv455
    Nov 8, 2023
  40. Canadian GS 350

    In preparation for chassis dyno

    Canadian GS 350, Nov 6, 2023
    Replies:
    13
    Views:
    377
    Canadian GS 350
    Nov 11, 2023
  41. RoseBud68

    No spark from the coil.

    RoseBud68, Nov 5, 2023
    Replies:
    11
    Views:
    298
    RoseBud68
    Nov 7, 2023
  42. 70Riv455

    455 Oil Change

    70Riv455, Nov 5, 2023
    Replies:
    7
    Views:
    277
    70Riv455
    Nov 5, 2023
  43. VET

    Looking for suggestions and expert advice: Upgrading my 1970 455 engine to a modern 455 engine

    VET, Nov 1, 2023 ... 6 7 8
    Replies:
    152
    Views:
    4,014
    BUICKRAT
    Nov 16, 2023
  44. 87GN_70GS

    Port match SP1 or not?

    87GN_70GS, Oct 31, 2023
    Replies:
    4
    Views:
    307
    Stevem
    Nov 2, 2023
  45. nekkidhillbilly

    Iron Head question

    nekkidhillbilly, Oct 29, 2023 ... 2
    Replies:
    21
    Views:
    858
    nekkidhillbilly
    Nov 4, 2023
  46. 70Riv455

    Oil Pan gasket replacement 455

    70Riv455, Oct 27, 2023
    Replies:
    6
    Views:
    279
    Quick Buick
    Oct 28, 2023
  47. Jesse Tackett

    Kenne Bell 455 lifters, bottom coated?

    Jesse Tackett, Oct 27, 2023
    Replies:
    3
    Views:
    229
    Jesse Tackett
    Oct 27, 2023
  48. AtlBantam430

    430 build for different type project...

    AtlBantam430, Oct 25, 2023
    Replies:
    19
    Views:
    783
    AtlBantam430
    Oct 29, 2023
  49. ranger

    Edelbrock Performer available anywhere?

    ranger, Oct 24, 2023
    Replies:
    19
    Views:
    781
    Chi-Town67
    Feb 4, 2024
  50. section8mainiac

    BBB w/1970 Heads on 1971 Block & HP/TQ guess

    section8mainiac, Oct 24, 2023
    Replies:
    2
    Views:
    195
    pbr400
    Oct 24, 2023
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