Street/strip 400/430/455

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

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  1. Utah455
    Sticky

    Correct Oil Dip Stick for 1970 GS455 with power disc brakes - tube or no tube?

    Utah455, Oct 4, 2023
    Replies:
    10
    Views:
    606
    70Riv455
    Oct 26, 2023
  2. LARRY70GS
    Sticky

    Post your Cam Cards in this thread for reference by other members

    LARRY70GS, Jun 5, 2023 ... 2 3 4
    Replies:
    71
    Views:
    3,799
    VET
    Mar 12, 2024
  3. bignastyGS
    Sticky

    Let's discuss cam bearings

    bignastyGS, Dec 18, 2021 ... 2 3
    Replies:
    45
    Views:
    3,805
    TimR
    Aug 28, 2022
  4. Quick Buick
    Sticky

    ORIGINAL SAE CONFERENCE BB HANDOUT BOOKLET- SCAN BY JIM WEISE with Pics

    Quick Buick, Nov 28, 2019
    Replies:
    6
    Views:
    1,893
    Nailhead in a 1967
    Apr 5, 2024
  5. Quick Buick
    Sticky

    BOP 455 REAR SEAL INSTALL- STEP BY STEP BY JIM WEISE with Pics

    Quick Buick, Nov 28, 2019
    Replies:
    9
    Views:
    2,057
    wormwood
    Dec 28, 2023
  6. Quick Buick
    Sticky

    Understanding Core Shift in the 455 block- why sonic checking is so important. With Pics

    Quick Buick, Nov 28, 2019
    Replies:
    1
    Views:
    1,338
    The Big Guy
    Nov 28, 2019
  7. Quick Buick
    Sticky

    400/430/455 Block ID, Prep and Oiling mods With Pictures

    Quick Buick, Nov 27, 2019
    Replies:
    4
    Views:
    2,801
    Inglburt
    May 22, 2020
  8. MN GS455
    Sticky

    Blueprint machining videos, B.B. Buick

    MN GS455, Jan 14, 2019 ... 2
    Replies:
    26
    Views:
    4,219
    455 Powered
    Jul 17, 2019
  9. Jim Weise
    Sticky

    BOP 455 Rear seal Install- Step by Step

    Jim Weise, Sep 3, 2015 ... 2
    Replies:
    23
    Views:
    15,941
    1969RIVI
    Apr 11, 2024
  10. Jim Weise
    Sticky

    Camshaft degreeing 101

    Jim Weise, Jan 16, 2011 ... 2 3 4
    Replies:
    64
    Views:
    42,175
    Guy Parquette
    Feb 23, 2024
  11. Jim Weise
    Sticky

    Original SAE Conference BB handout booklet- scan

    Jim Weise, Dec 7, 2010 ... 2
    Replies:
    26
    Views:
    24,010
    matt68gs400
    Sep 3, 2017
  12. Jim Weise
    Sticky

    Engine break in prep and video

    Jim Weise, Oct 13, 2010
    Replies:
    12
    Views:
    24,140
    Drachen
    Mar 13, 2016
  13. Jim Weise
    Sticky

    400/430/455 Block ID, Prep and Oiling mods

    Jim Weise, Oct 8, 2010 ... 3 4 5
    Replies:
    96
    Views:
    96,327
    StfSocal
    May 2, 2022
  14. Jim Weise
    Sticky

    Understanding Core Shift in the 455 block- why sonic checking is so important.

    Jim Weise, Feb 14, 2009 ... 2 3
    Replies:
    58
    Views:
    53,583
    piston1
    Aug 10, 2019
  15. BrianTrick

    Pretty good explanation

    BrianTrick, Apr 25, 2024 at 6:58 AM ... 2
    Replies:
    27
    Views:
    406
    VET
    Apr 26, 2024 at 9:53 AM
  16. Marcus brevly

    Best antifreeze for 455 with aluminum heads and intake

    Marcus brevly, Apr 25, 2024 at 5:42 AM ... 2
    Replies:
    20
    Views:
    257
    Luxus
    Apr 26, 2024 at 10:05 AM
  17. MRJDBUICK

    400/430/455 Exhaust Bolt Hole Drill Template

    MRJDBUICK, Apr 21, 2024 at 12:58 PM
    Replies:
    10
    Views:
    312
    MRJDBUICK
    Apr 24, 2024 at 10:17 PM
  18. Bdogatx

    Found one!

    Bdogatx, Apr 19, 2024
    Replies:
    5
    Views:
    489
    Mark Demko
    Apr 23, 2024 at 9:18 AM
  19. accelr8

    Plate Welded to Bottom of SP1 Intake - How Beneficial is it?

    accelr8, Apr 19, 2024
    Replies:
    17
    Views:
    379
    Fox's Den
    Apr 20, 2024 at 6:32 AM
  20. Luxus

    Fuel pump bolts.

    Luxus, Apr 17, 2024
    Replies:
    7
    Views:
    193
    Luxus
    Apr 17, 2024
  21. midnightcruiser

    Liftergallery clearance

    midnightcruiser, Apr 16, 2024
    Replies:
    19
    Views:
    472
    alvareracing
    Apr 23, 2024 at 2:00 PM
  22. Dj stoner

    455 Intake

    Dj stoner, Apr 15, 2024
    Replies:
    3
    Views:
    189
    hugger
    Apr 15, 2024
  23. Clark Porter

    Oil pickup support bracket?

    Clark Porter, Apr 14, 2024
    Replies:
    7
    Views:
    247
    1973gs
    Apr 15, 2024
  24. Doug Stratoudakis

    455 Timing Cover Replacement

    Doug Stratoudakis, Apr 12, 2024 ... 2
    Replies:
    28
    Views:
    958
    FLGS400
    Apr 19, 2024
  25. 70staged

    Bent pushrod

    70staged, Apr 11, 2024
    Replies:
    4
    Views:
    357
    70staged
    Apr 15, 2024
  26. rjay

    headers in right hook

    rjay, Apr 10, 2024
    Replies:
    15
    Views:
    483
    rjay
    Apr 11, 2024
  27. gs430

    is it possible to swap cam in car?

    gs430, Apr 9, 2024
    Replies:
    13
    Views:
    562
    436'd Skylark
    Apr 12, 2024
  28. midnightcruiser

    Sleeving 455 block

    midnightcruiser, Apr 7, 2024
    Replies:
    8
    Views:
    636
    midnightcruiser
    Apr 16, 2024
  29. 67Skybird

    1972 heads CC

    67Skybird, Apr 5, 2024
    Replies:
    17
    Views:
    487
    telriv
    Apr 7, 2024
  30. 69gs400

    Stock rods?

    69gs400, Apr 1, 2024
    Replies:
    8
    Views:
    451
    Bens99gtp
    Apr 1, 2024
  31. RellyRell3605

    Won't start when up to temp

    RellyRell3605, Mar 31, 2024 ... 2
    Replies:
    24
    Views:
    849
    Schurkey
    Apr 19, 2024
  32. 1969briviera

    Ignition timing tech

    1969briviera, Mar 30, 2024
    Replies:
    4
    Views:
    181
    CJay
    Mar 30, 2024
  33. wormwood

    neutral safety switch?

    wormwood, Mar 29, 2024
    Replies:
    12
    Views:
    473
    wormwood
    Apr 15, 2024
  34. quickstage1

    Coolant in my oil

    quickstage1, Mar 29, 2024
    Replies:
    19
    Views:
    454
    quickstage1
    Mar 31, 2024
  35. ArcticRyan

    Fuel line supply/ return 67 GS

    ArcticRyan, Mar 28, 2024 ... 2
    Replies:
    27
    Views:
    711
    bostoncat68
    Apr 7, 2024
  36. 67Skybird

    Does this combo 455 work?

    67Skybird, Mar 28, 2024
    Replies:
    7
    Views:
    215
    67Skybird
    Mar 28, 2024
  37. alaskagn

    464 build

    alaskagn, Mar 27, 2024
    Replies:
    8
    Views:
    602
    Bens99gtp
    Apr 2, 2024
  38. 1969briviera

    Best 60's V8 ever build

    1969briviera, Mar 27, 2024 ... 2 3 4
    Replies:
    63
    Views:
    1,500
    Luxus
    Mar 30, 2024
  39. got_tork

    Main Bearing Oil Feeds

    got_tork, Mar 27, 2024
    Replies:
    2
    Views:
    124
    got_tork
    Mar 27, 2024
  40. ranger

    Horsepower Guestimates, please, and E.T. range, PLEASE!

    ranger, Mar 26, 2024 ... 2 3
    Replies:
    44
    Views:
    1,634
    ranger
    Apr 4, 2024
  41. TheSilverBuick

    SPX water passage

    TheSilverBuick, Mar 26, 2024
    Replies:
    6
    Views:
    284
    BQUICK
    Mar 30, 2024
  42. Tim

    What aluminum intake works best to keep GS air cleaner?

    Tim, Mar 25, 2024
    Replies:
    2
    Views:
    199
    BQUICK
    Mar 25, 2024
  43. rkammer

    Spark plug gap with Pertronix III?

    rkammer, Mar 25, 2024
    Replies:
    11
    Views:
    380
    Schurkey
    Mar 30, 2024
  44. 1969briviera

    NOS head gaskets 430

    1969briviera, Mar 22, 2024
    Replies:
    7
    Views:
    208
    1969briviera
    Mar 22, 2024
  45. TommyV

    Picked up my beast today!

    TommyV, Mar 21, 2024
    Replies:
    13
    Views:
    495
    TommyV
    Mar 23, 2024
  46. Atbb

    Quick flexplate question

    Atbb, Mar 21, 2024
    Replies:
    18
    Views:
    539
    BUQUICK
    Apr 12, 2024
  47. Skylard

    Belly Pan 68 Skylark

    Skylard, Mar 20, 2024
    Replies:
    5
    Views:
    186
    Schurkey
    Mar 22, 2024
  48. tubecatgs

    455 build quote/next steps/advice

    tubecatgs, Mar 20, 2024 ... 2
    Replies:
    21
    Views:
    638
    FJM568
    Mar 21, 2024
  49. JohnnyBuick

    Best type of material for 430 Head Gaskets?

    JohnnyBuick, Mar 18, 2024
    Replies:
    13
    Views:
    423
    JohnnyBuick
    Mar 29, 2024
  50. BQUICK

    455 Cam ID

    BQUICK, Mar 15, 2024
    Replies:
    0
    Views:
    123
    BQUICK
    Mar 15, 2024
  51. avmechanic

    Choosing one of my cams for my current 455 build.

    avmechanic, Mar 14, 2024
    Replies:
    9
    Views:
    319
    hugger
    Mar 15, 2024
  52. cknox

    total timing

    cknox, Mar 11, 2024 ... 2 3
    Replies:
    47
    Views:
    1,091
    1969briviera
    Mar 17, 2024
  53. 68Buick-Jim

    Oil pressure dropping during camshaft break-in.

    68Buick-Jim, Mar 9, 2024 ... 2 3
    Replies:
    42
    Views:
    1,613
    68Buick-Jim
    Mar 19, 2024
  54. got_tork

    Another Bearing Clearance Question

    got_tork, Mar 7, 2024
    Replies:
    2
    Views:
    128
    LARRY70GS
    Mar 7, 2024
  55. rkammer

    455 Flex Plate Bolts

    rkammer, Mar 5, 2024
    Replies:
    6
    Views:
    259
    Canadian GS 350
    Mar 7, 2024
  56. Utah455

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

    Utah455, Mar 5, 2024
    Replies:
    13
    Views:
    368
    Rob Ross
    Mar 8, 2024
  57. got_tork

    TA Adjustable Pushrods Thread Size

    got_tork, Mar 4, 2024
    Replies:
    3
    Views:
    200
    Kingfish
    Mar 25, 2024
  58. 1969briviera

    Checking on Timing set

    1969briviera, Mar 4, 2024 ... 4 5 6
    Replies:
    100
    Views:
    2,186
    12lives
    Mar 27, 2024
  59. Canadian GS 350

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

    Canadian GS 350, Mar 3, 2024
    Replies:
    6
    Views:
    210
    Canadian GS 350
    Mar 4, 2024
  60. 12lives

    Another oil thread

    12lives, Feb 29, 2024
    Replies:
    7
    Views:
    259
    knucklebusted
    Mar 1, 2024
  61. gsgtx

    ported heads vs HP

    gsgtx, Feb 29, 2024
    Replies:
    14
    Views:
    529
    LARRY70GS
    Mar 2, 2024
  62. wormwood

    Valve adjustment?

    wormwood, Feb 28, 2024
    Replies:
    13
    Views:
    333
    gsgtx
    Feb 29, 2024
  63. john.schaefer77

    Header bolts

    john.schaefer77, Feb 28, 2024
    Replies:
    7
    Views:
    242
    Bigpig455
    Mar 4, 2024
  64. Utah455

    Correct part numbers for 1970 455 Exhaust Manifolds

    Utah455, Feb 27, 2024
    Replies:
    10
    Views:
    467
    Johnny Angel
    Mar 23, 2024
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