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:
    603
    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:
    3,787
    VET
    Mar 12, 2024
  3. bignastyGS
    Sticky

    Let's discuss cam bearings

    bignastyGS, Dec 18, 2021 ... 2 3
    Replies:
    45
    Views:
    3,786
    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:
    1,886
    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:
    2,054
    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:
    1,337
    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:
    2,800
    Inglburt
    May 22, 2020
  8. MN GS455
    Sticky

    Blueprint machining videos, B.B. Buick

    MN GS455, Jan 14, 2019 ... 2
    Replies:
    26
    Views:
    4,211
    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:
    15,919
    1969RIVI
    Apr 11, 2024
  10. Jim Weise
    Sticky

    Camshaft degreeing 101

    Jim Weise, Jan 16, 2011 ... 2 3 4
    Replies:
    64
    Views:
    42,145
    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:
    24,003
    matt68gs400
    Sep 3, 2017
  12. Jim Weise
    Sticky

    Engine break in prep and video

    Jim Weise, Oct 13, 2010
    Replies:
    12
    Views:
    24,136
    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:
    96,286
    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:
    53,565
    piston1
    Aug 10, 2019
  15. MRJDBUICK

    400/430/455 Exhaust Bolt Hole Drill Template

    MRJDBUICK, Apr 21, 2024 at 12:58 PM
    Replies:
    10
    Views:
    263
    MRJDBUICK
    Apr 24, 2024 at 10:17 PM
  16. Bdogatx

    Found one!

    Bdogatx, Apr 19, 2024 at 3:00 PM
    Replies:
    5
    Views:
    474
    Mark Demko
    Apr 23, 2024 at 9:18 AM
  17. accelr8

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

    accelr8, Apr 19, 2024 at 7:31 AM
    Replies:
    17
    Views:
    366
    Fox's Den
    Apr 20, 2024 at 6:32 AM
  18. Luxus

    Fuel pump bolts.

    Luxus, Apr 17, 2024
    Replies:
    7
    Views:
    183
    Luxus
    Apr 17, 2024
  19. midnightcruiser

    Liftergallery clearance

    midnightcruiser, Apr 16, 2024
    Replies:
    19
    Views:
    455
    alvareracing
    Apr 23, 2024 at 2:00 PM
  20. Dj stoner

    455 Intake

    Dj stoner, Apr 15, 2024
    Replies:
    3
    Views:
    183
    hugger
    Apr 15, 2024
  21. Clark Porter

    Oil pickup support bracket?

    Clark Porter, Apr 14, 2024
    Replies:
    7
    Views:
    243
    1973gs
    Apr 15, 2024
  22. Doug Stratoudakis

    455 Timing Cover Replacement

    Doug Stratoudakis, Apr 12, 2024 ... 2
    Replies:
    28
    Views:
    925
    FLGS400
    Apr 19, 2024 at 6:16 PM
  23. 70staged

    Bent pushrod

    70staged, Apr 11, 2024
    Replies:
    4
    Views:
    351
    70staged
    Apr 15, 2024
  24. rjay

    headers in right hook

    rjay, Apr 10, 2024
    Replies:
    15
    Views:
    470
    rjay
    Apr 11, 2024
  25. gs430

    is it possible to swap cam in car?

    gs430, Apr 9, 2024
    Replies:
    13
    Views:
    548
    436'd Skylark
    Apr 12, 2024
  26. midnightcruiser

    Sleeving 455 block

    midnightcruiser, Apr 7, 2024
    Replies:
    8
    Views:
    630
    midnightcruiser
    Apr 16, 2024
  27. 67Skybird

    1972 heads CC

    67Skybird, Apr 5, 2024
    Replies:
    17
    Views:
    480
    telriv
    Apr 7, 2024
  28. 69gs400

    Stock rods?

    69gs400, Apr 1, 2024
    Replies:
    8
    Views:
    447
    Bens99gtp
    Apr 1, 2024
  29. RellyRell3605

    Won't start when up to temp

    RellyRell3605, Mar 31, 2024 ... 2
    Replies:
    24
    Views:
    839
    Schurkey
    Apr 19, 2024 at 3:45 PM
  30. 1969briviera

    Ignition timing tech

    1969briviera, Mar 30, 2024
    Replies:
    4
    Views:
    177
    CJay
    Mar 30, 2024
  31. wormwood

    neutral safety switch?

    wormwood, Mar 29, 2024
    Replies:
    12
    Views:
    465
    wormwood
    Apr 15, 2024
  32. quickstage1

    Coolant in my oil

    quickstage1, Mar 29, 2024
    Replies:
    19
    Views:
    448
    quickstage1
    Mar 31, 2024
  33. ArcticRyan

    Fuel line supply/ return 67 GS

    ArcticRyan, Mar 28, 2024 ... 2
    Replies:
    27
    Views:
    701
    bostoncat68
    Apr 7, 2024
  34. 67Skybird

    Does this combo 455 work?

    67Skybird, Mar 28, 2024
    Replies:
    7
    Views:
    214
    67Skybird
    Mar 28, 2024
  35. alaskagn

    464 build

    alaskagn, Mar 27, 2024
    Replies:
    8
    Views:
    594
    Bens99gtp
    Apr 2, 2024
  36. 1969briviera

    Best 60's V8 ever build

    1969briviera, Mar 27, 2024 ... 2 3 4
    Replies:
    63
    Views:
    1,452
    Luxus
    Mar 30, 2024
  37. got_tork

    Main Bearing Oil Feeds

    got_tork, Mar 27, 2024
    Replies:
    2
    Views:
    123
    got_tork
    Mar 27, 2024
  38. ranger

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

    ranger, Mar 26, 2024 ... 2 3
    Replies:
    44
    Views:
    1,587
    ranger
    Apr 4, 2024
  39. TheSilverBuick

    SPX water passage

    TheSilverBuick, Mar 26, 2024
    Replies:
    6
    Views:
    279
    BQUICK
    Mar 30, 2024
  40. Tim

    What aluminum intake works best to keep GS air cleaner?

    Tim, Mar 25, 2024
    Replies:
    2
    Views:
    196
    BQUICK
    Mar 25, 2024
  41. rkammer

    Spark plug gap with Pertronix III?

    rkammer, Mar 25, 2024
    Replies:
    11
    Views:
    371
    Schurkey
    Mar 30, 2024
  42. 1969briviera

    NOS head gaskets 430

    1969briviera, Mar 22, 2024
    Replies:
    7
    Views:
    202
    1969briviera
    Mar 22, 2024
  43. TommyV

    Picked up my beast today!

    TommyV, Mar 21, 2024
    Replies:
    13
    Views:
    492
    TommyV
    Mar 23, 2024
  44. Atbb

    Quick flexplate question

    Atbb, Mar 21, 2024
    Replies:
    18
    Views:
    530
    BUQUICK
    Apr 12, 2024
  45. Skylard

    Belly Pan 68 Skylark

    Skylard, Mar 20, 2024
    Replies:
    5
    Views:
    185
    Schurkey
    Mar 22, 2024
  46. tubecatgs

    455 build quote/next steps/advice

    tubecatgs, Mar 20, 2024 ... 2
    Replies:
    21
    Views:
    632
    FJM568
    Mar 21, 2024
  47. JohnnyBuick

    Best type of material for 430 Head Gaskets?

    JohnnyBuick, Mar 18, 2024
    Replies:
    13
    Views:
    416
    JohnnyBuick
    Mar 29, 2024
  48. BQUICK

    455 Cam ID

    BQUICK, Mar 15, 2024
    Replies:
    0
    Views:
    121
    BQUICK
    Mar 15, 2024
  49. avmechanic

    Choosing one of my cams for my current 455 build.

    avmechanic, Mar 14, 2024
    Replies:
    9
    Views:
    311
    hugger
    Mar 15, 2024
  50. cknox

    total timing

    cknox, Mar 11, 2024 ... 2 3
    Replies:
    47
    Views:
    1,078
    1969briviera
    Mar 17, 2024
  51. 68Buick-Jim

    Oil pressure dropping during camshaft break-in.

    68Buick-Jim, Mar 9, 2024 ... 2 3
    Replies:
    42
    Views:
    1,596
    68Buick-Jim
    Mar 19, 2024
  52. got_tork

    Another Bearing Clearance Question

    got_tork, Mar 7, 2024
    Replies:
    2
    Views:
    126
    LARRY70GS
    Mar 7, 2024
  53. rkammer

    455 Flex Plate Bolts

    rkammer, Mar 5, 2024
    Replies:
    6
    Views:
    256
    Canadian GS 350
    Mar 7, 2024
  54. Utah455

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

    Utah455, Mar 5, 2024
    Replies:
    13
    Views:
    365
    Rob Ross
    Mar 8, 2024
  55. got_tork

    TA Adjustable Pushrods Thread Size

    got_tork, Mar 4, 2024
    Replies:
    3
    Views:
    198
    Kingfish
    Mar 25, 2024
  56. 1969briviera

    Checking on Timing set

    1969briviera, Mar 4, 2024 ... 4 5 6
    Replies:
    100
    Views:
    2,125
    12lives
    Mar 27, 2024
  57. 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
  58. 12lives

    Another oil thread

    12lives, Feb 29, 2024
    Replies:
    7
    Views:
    257
    knucklebusted
    Mar 1, 2024
  59. gsgtx

    ported heads vs HP

    gsgtx, Feb 29, 2024
    Replies:
    14
    Views:
    521
    LARRY70GS
    Mar 2, 2024
  60. wormwood

    Valve adjustment?

    wormwood, Feb 28, 2024
    Replies:
    13
    Views:
    331
    gsgtx
    Feb 29, 2024
  61. john.schaefer77

    Header bolts

    john.schaefer77, Feb 28, 2024
    Replies:
    7
    Views:
    240
    Bigpig455
    Mar 4, 2024
  62. Utah455

    Correct part numbers for 1970 455 Exhaust Manifolds

    Utah455, Feb 27, 2024
    Replies:
    10
    Views:
    461
    Johnny Angel
    Mar 23, 2024
  63. Da Torquester.

    Pulling Engine AGAIN For stubborn Rear Main Seal Leak.

    Da Torquester., Feb 26, 2024
    Replies:
    11
    Views:
    464
    TORQUED455
    Feb 28, 2024
  64. Canadian GS 350

    Ac box on firewall extremely close to valve cover 72 GS

    Canadian GS 350, Feb 26, 2024
    Replies:
    10
    Views:
    251
    BrianTrick
    Feb 27, 2024
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