Street/strip 400/430/455

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

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  1. VET

    What is normal water temperature for a 455 engine with A/C engaged?

    VET, Aug 29, 2023 ... 2 3
    Replies:
    53
    Views:
    1,283
    VET
    Sep 23, 2023
  2. Canadian GS 350

    SPX intake - port to match gasket or as cast……hp difference ?

    Canadian GS 350, Sep 20, 2023
    Replies:
    10
    Views:
    545
    Bens99gtp
    Sep 21, 2023
  3. robert v

    Cast iron cylinder head question (is damage repairable?)

    robert v, Sep 18, 2023
    Replies:
    7
    Views:
    439
    Stevem
    Sep 20, 2023
  4. mkingan1212

    need help on Edelbrock intake mounts/ports

    mkingan1212, Mar 19, 2017 ... 2
    Replies:
    23
    Views:
    2,280
    Fred vandenHeuvel
    Sep 19, 2023
  5. 1969briviera

    Buick's head design

    1969briviera, Sep 13, 2023 ... 2 3 4
    Replies:
    67
    Views:
    1,961
    PGSS
    Sep 18, 2023
  6. Jeremy Zepnick

    Lost dang it!

    Jeremy Zepnick, Sep 16, 2023
    Replies:
    5
    Views:
    304
    2manybuicks
    Sep 17, 2023
  7. knucklebusted

    Magnets on Oil Filters Anyone?

    knucklebusted, May 7, 2023 ... 2
    Replies:
    24
    Views:
    912
    Guy Parquette
    Sep 13, 2023
  8. APVGS

    430 Head Porting

    APVGS, Aug 10, 2023
    Replies:
    14
    Views:
    536
    Stevem
    Sep 12, 2023
  9. Jerrit72Riv

    Hydraulic flat tappet lifters

    Jerrit72Riv, Oct 12, 2021 ... 2
    Replies:
    25
    Views:
    1,983
    mikegs400
    Sep 11, 2023
  10. Big Twist

    455 overheated 1975 Lesabre

    Big Twist, Aug 18, 2023 ... 2
    Replies:
    27
    Views:
    822
    CanadaCat
    Sep 8, 2023
  11. Houndogforever

    Starter issues on 455.

    Houndogforever, Sep 6, 2023
    Replies:
    9
    Views:
    255
    BUICKRAT
    Sep 7, 2023
  12. knucklebusted

    Left Me on the Side of the Road! Now What?

    knucklebusted, Aug 1, 2023 ... 2 3 4
    Replies:
    61
    Views:
    2,391
    knucklebusted
    Sep 3, 2023
  13. srb

    Lifter tick 430?

    srb, Jan 9, 2023 ... 2
    Replies:
    29
    Views:
    1,241
    srb
    Aug 29, 2023
  14. got_tork

    430 Rocker Arms

    got_tork, Aug 28, 2023
    Replies:
    2
    Views:
    224
    DaWildcat
    Aug 28, 2023
  15. 69_GS_400

    400 cooling and oil pressure issue

    69_GS_400, Aug 10, 2017 ... 8 9 10
    Replies:
    180
    Views:
    6,517
    69_GS_400
    Aug 27, 2023
  16. Atbb

    Exhaust question - offset or central position?

    Atbb, May 24, 2023 ... 2
    Replies:
    25
    Views:
    1,004
    BillA
    Aug 27, 2023
  17. George D.

    Head bolt suggestions? Shanked? Call ARP?

    George D., Aug 22, 2023
    Replies:
    15
    Views:
    357
    Schurkey
    Aug 23, 2023
  18. 68Buick-Jim

    Main bearing cap bolt torque spec.

    68Buick-Jim, Aug 18, 2023
    Replies:
    11
    Views:
    444
    rjay
    Aug 22, 2023
  19. RellyRell3605

    Won't stay running

    RellyRell3605, Aug 20, 2023
    Replies:
    16
    Views:
    479
    LARRY70GS
    Aug 22, 2023
  20. 1969briviera

    Oil consumption 430ci

    1969briviera, Aug 10, 2023 ... 2 3 4
    Replies:
    72
    Views:
    1,999
    1969briviera
    Aug 18, 2023
  21. Canadian GS 350

    Piston brand ?

    Canadian GS 350, Aug 15, 2023
    Replies:
    9
    Views:
    438
    Canadian GS 350
    Aug 16, 2023
  22. Canadian GS 350

    Cam id?

    Canadian GS 350, Aug 15, 2023
    Replies:
    2
    Views:
    213
    DaWildcat
    Aug 15, 2023
  23. hvramesq

    Please help Identify

    hvramesq, Aug 14, 2023
    Replies:
    3
    Views:
    193
    Matt Knutson
    Aug 14, 2023
  24. ArcticRyan

    430 rebuild

    ArcticRyan, Mar 14, 2023 ... 4 5 6
    Replies:
    106
    Views:
    4,194
    alaskagn
    Aug 14, 2023
  25. hvramesq

    1971 stage 1 head ID

    hvramesq, Aug 11, 2023
    Replies:
    2
    Views:
    243
    thepartsman
    Aug 12, 2023
  26. mattd3933

    Building a project 71 GS. looking for Distributor advice

    mattd3933, Aug 7, 2023
    Replies:
    12
    Views:
    448
    Canadian GS 350
    Aug 9, 2023
  27. rkammer

    Pertronix interface with tachometers

    rkammer, Jul 29, 2023
    Replies:
    4
    Views:
    349
    Bigpig455
    Aug 7, 2023
  28. VET

    Upgrade a Base 455 to a Stage 1 Engine

    VET, Aug 1, 2023 ... 2 3 4
    Replies:
    68
    Views:
    1,749
    TrunkMonkey
    Aug 7, 2023
  29. Edward Crosson

    Starter nose cone breaking

    Edward Crosson, Jul 10, 2023 ... 2
    Replies:
    32
    Views:
    910
    BUICKRAT
    Aug 5, 2023
  30. George D.

    Intake manifold gasket/ valley pan- which one?

    George D., Aug 4, 2023
    Replies:
    2
    Views:
    272
    hugger
    Aug 4, 2023
  31. TommyV

    With TA performance heads probably not available for a long time..

    TommyV, May 11, 2023 ... 2
    Replies:
    20
    Views:
    1,780
    Freakazoid
    Aug 4, 2023
  32. 70staged

    3" exhaust

    70staged, Aug 2, 2023
    Replies:
    10
    Views:
    514
    BrianTrick
    Aug 4, 2023
  33. Bluzilla

    New " MUST HAVE" Lifter Valley Baffle Tray from T/A Performance

    Bluzilla, Oct 12, 2016 ... 2
    Replies:
    32
    Views:
    3,306
    mbryson
    Jul 30, 2023
  34. Luxus

    Rear main seal leak

    Luxus, Jul 18, 2023
    Replies:
    12
    Views:
    657
    Jim Weise
    Jul 30, 2023
  35. accelr8

    Rear Main Seal Install Question

    accelr8, Jun 26, 2023 ... 2 3
    Replies:
    57
    Views:
    1,695
    Tom Righter
    Jul 29, 2023
  36. Note 1970

    Compression estimate

    Note 1970, Jul 26, 2023
    Replies:
    10
    Views:
    354
    Mark Demko
    Jul 27, 2023
  37. accelr8

    Does my cylinder have a crack?

    accelr8, Jul 18, 2023 ... 2
    Replies:
    23
    Views:
    816
    Jim Weise
    Jul 26, 2023
  38. StKing

    Correct head gaskets?

    StKing, Jul 21, 2023
    Replies:
    4
    Views:
    298
    Mark Demko
    Jul 26, 2023
  39. 05snopro440

    455 - No oil at driver's side head

    05snopro440, Jul 21, 2023
    Replies:
    14
    Views:
    772
    05snopro440
    Jul 25, 2023
  40. RoseBud68

    Funny deposit in my radiator

    RoseBud68, Jun 6, 2023 ... 2
    Replies:
    23
    Views:
    858
    Mark Demko
    Jul 25, 2023
  41. Guido

    Oil pressure issue 1967 430

    Guido, Jul 22, 2023 ... 2
    Replies:
    21
    Views:
    677
    Max Damage
    Jul 24, 2023
  42. 87GN_70GS

    Oil pan gaskets

    87GN_70GS, Jul 24, 2023
    Replies:
    3
    Views:
    266
    Tom Righter
    Jul 24, 2023
  43. rkammer

    My New TSP Sleeper 482 Stroker Motor

    rkammer, Apr 23, 2022 ... 5 6 7
    Replies:
    131
    Views:
    8,116
    TrunkMonkey
    Jul 22, 2023
  44. rkammer

    Some troubleshooting ideas please.

    rkammer, Jul 8, 2023 ... 3 4 5
    Replies:
    95
    Views:
    2,903
    hwprouty
    Jul 17, 2023
  45. Jerry Burzinski

    Valve Train Noise

    Jerry Burzinski, Jul 9, 2023
    Replies:
    4
    Views:
    376
    Jerry Burzinski
    Jul 16, 2023
  46. Canadian GS 350

    Anyone using studs for their stage 2 headers on TA SE heads?

    Canadian GS 350, Jul 14, 2023
    Replies:
    4
    Views:
    295
    TrunkMonkey
    Jul 15, 2023
  47. StfSocal

    Timing cover question

    StfSocal, Jul 13, 2023 ... 2
    Replies:
    22
    Views:
    773
    Mark Demko
    Jul 14, 2023
  48. Frankie70GS

    Aluminum Rods

    Frankie70GS, Jun 22, 2023
    Replies:
    14
    Views:
    778
    Frankie70GS
    Jul 11, 2023
  49. Briz

    Wix Filter Issues?

    Briz, Apr 23, 2023 ... 3 4 5
    Replies:
    80
    Views:
    4,607
    john.schaefer77
    Jul 11, 2023
  50. Canadian GS 350

    455 block year id

    Canadian GS 350, Jun 13, 2023
    Replies:
    13
    Views:
    529
    Canadian GS 350
    Jul 10, 2023
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