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:
    632
    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:
    72
    Views:
    4,287
    73Stage2
    Apr 30, 2024
  3. bignastyGS
    Sticky

    Let's discuss cam bearings

    bignastyGS, Dec 18, 2021 ... 2 3
    Replies:
    45
    Views:
    3,948
    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:
    2,055
    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:
    2,087
    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:
    1,359
    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:
    2,825
    Inglburt
    May 22, 2020
  8. MN GS455
    Sticky

    Blueprint machining videos, B.B. Buick

    MN GS455, Jan 14, 2019 ... 2
    Replies:
    26
    Views:
    4,276
    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:
    16,312
    1969RIVI
    Apr 11, 2024
  10. Jim Weise
    Sticky

    Camshaft degreeing 101

    Jim Weise, Jan 16, 2011 ... 2 3 4
    Replies:
    64
    Views:
    42,331
    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:
    24,053
    matt68gs400
    Sep 3, 2017
  12. Jim Weise
    Sticky

    Engine break in prep and video

    Jim Weise, Oct 13, 2010
    Replies:
    12
    Views:
    24,178
    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:
    96,658
    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:
    53,689
    piston1
    Aug 10, 2019
  15. midnightcruiser

    Hard Blok

    midnightcruiser, May 17, 2024 at 1:28 PM
    Replies:
    4
    Views:
    119
    72 skylark custom
    May 17, 2024 at 6:59 PM
  16. Jeremy Zepnick

    GS Nationals

    Jeremy Zepnick, May 17, 2024 at 6:38 AM
    Replies:
    2
    Views:
    156
    Steve Reynolds
    May 17, 2024 at 7:59 AM
  17. Al T

    Issue With Newly Installed Stage 1 455 In My '69 GS 400

    Al T, May 16, 2024 at 12:19 PM
    Replies:
    9
    Views:
    248
    12lives
    May 17, 2024 at 12:51 PM
  18. hugger

    Any dyno test of stock intake vs SP1

    hugger, May 15, 2024 at 10:24 PM
    Replies:
    9
    Views:
    260
    436'd Skylark
    May 16, 2024 at 2:09 PM
  19. GSXER

    What cam is this

    GSXER, May 13, 2024 at 10:29 PM
    Replies:
    1
    Views:
    135
    hugger
    May 14, 2024 at 5:07 AM
  20. Stage 2 iron

    MSD 8517 distributor and factory ram air air breather

    Stage 2 iron, May 11, 2024
    Replies:
    16
    Views:
    265
    Stage 2 iron
    May 13, 2024 at 7:04 PM
  21. C.Rob

    Gasket sealer

    C.Rob, May 8, 2024
    Replies:
    2
    Views:
    102
    hugger
    May 8, 2024
  22. accelr8

    Do I need a bronze cam thrust washer with my hydraulic roller cam?

    accelr8, May 7, 2024 ... 2
    Replies:
    29
    Views:
    637
    accelr8
    May 14, 2024 at 7:31 PM
  23. Note 1970

    Se t/a alum heads

    Note 1970, May 3, 2024
    Replies:
    10
    Views:
    495
    standup 69
    May 4, 2024
  24. Bigpig455

    462 Rebuild

    Bigpig455, May 3, 2024 ... 2
    Replies:
    25
    Views:
    759
    Bigpig455
    May 13, 2024 at 10:19 AM
  25. accelr8

    Checking piston-to-valve clearance with a hydraulic roller cam???

    accelr8, Apr 30, 2024
    Replies:
    12
    Views:
    405
    Bigpig455
    May 5, 2024
  26. Freakazoid

    Roller cam and play.

    Freakazoid, Apr 29, 2024
    Replies:
    2
    Views:
    283
    Freakazoid
    Apr 29, 2024
  27. Jeremy Zepnick

    Winner!

    Jeremy Zepnick, Apr 27, 2024
    Replies:
    15
    Views:
    434
    Ken Mild
    May 1, 2024
  28. BrianTrick

    Pretty good explanation

    BrianTrick, Apr 25, 2024 ... 2 3
    Replies:
    42
    Views:
    1,167
    Mark Demko
    May 3, 2024
  29. Marcus brevly

    Best antifreeze for 455 with aluminum heads and intake

    Marcus brevly, Apr 25, 2024 ... 2 3
    Replies:
    49
    Views:
    1,269
    1973gs
    Apr 30, 2024
  30. MRJDBUICK

    400/430/455 Exhaust Bolt Hole Drill Template

    MRJDBUICK, Apr 21, 2024
    Replies:
    10
    Views:
    529
    MRJDBUICK
    Apr 24, 2024
  31. Bdogatx

    Found one!

    Bdogatx, Apr 19, 2024
    Replies:
    6
    Views:
    750
    alvareracing
    Apr 29, 2024
  32. accelr8

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

    accelr8, Apr 19, 2024
    Replies:
    17
    Views:
    590
    Fox's Den
    Apr 20, 2024
  33. Luxus

    Fuel pump bolts.

    Luxus, Apr 17, 2024
    Replies:
    7
    Views:
    363
    Luxus
    Apr 17, 2024
  34. midnightcruiser

    Liftergallery clearance

    midnightcruiser, Apr 16, 2024
    Replies:
    19
    Views:
    705
    alvareracing
    Apr 23, 2024
  35. Dj stoner

    455 Intake

    Dj stoner, Apr 15, 2024
    Replies:
    3
    Views:
    360
    hugger
    Apr 15, 2024
  36. Clark Porter

    Oil pickup support bracket?

    Clark Porter, Apr 14, 2024
    Replies:
    7
    Views:
    424
    1973gs
    Apr 15, 2024
  37. Doug Stratoudakis

    455 Timing Cover Replacement

    Doug Stratoudakis, Apr 12, 2024 ... 2 3
    Replies:
    47
    Views:
    1,851
    Doug Stratoudakis
    Apr 30, 2024
  38. 70staged

    Bent pushrod

    70staged, Apr 11, 2024
    Replies:
    4
    Views:
    529
    70staged
    Apr 15, 2024
  39. rjay

    headers in right hook

    rjay, Apr 10, 2024 ... 2
    Replies:
    20
    Views:
    833
    436'd Skylark
    May 7, 2024
  40. gs430

    is it possible to swap cam in car?

    gs430, Apr 9, 2024
    Replies:
    13
    Views:
    775
    436'd Skylark
    Apr 12, 2024
  41. midnightcruiser

    Sleeving 455 block

    midnightcruiser, Apr 7, 2024
    Replies:
    8
    Views:
    832
    midnightcruiser
    Apr 16, 2024
  42. 67Skybird

    1972 heads CC

    67Skybird, Apr 5, 2024
    Replies:
    17
    Views:
    673
    telriv
    Apr 7, 2024
  43. 69gs400

    Stock rods?

    69gs400, Apr 1, 2024
    Replies:
    8
    Views:
    619
    Bens99gtp
    Apr 1, 2024
  44. RellyRell3605

    Won't start when up to temp

    RellyRell3605, Mar 31, 2024 ... 2
    Replies:
    24
    Views:
    1,242
    Schurkey
    Apr 19, 2024
  45. 1969briviera

    Ignition timing tech

    1969briviera, Mar 30, 2024
    Replies:
    4
    Views:
    214
    CJay
    Mar 30, 2024
  46. wormwood

    neutral safety switch?

    wormwood, Mar 29, 2024
    Replies:
    12
    Views:
    665
    wormwood
    Apr 15, 2024
  47. quickstage1

    Coolant in my oil

    quickstage1, Mar 29, 2024
    Replies:
    19
    Views:
    509
    quickstage1
    Mar 31, 2024
  48. ArcticRyan

    Fuel line supply/ return 67 GS

    ArcticRyan, Mar 28, 2024 ... 2
    Replies:
    27
    Views:
    1,065
    bostoncat68
    Apr 7, 2024
  49. 67Skybird

    Does this combo 455 work?

    67Skybird, Mar 28, 2024
    Replies:
    7
    Views:
    254
    67Skybird
    Mar 28, 2024
  50. alaskagn

    464 build

    alaskagn, Mar 27, 2024
    Replies:
    8
    Views:
    802
    Bens99gtp
    Apr 2, 2024
  51. 1969briviera

    Best 60's V8 ever build

    1969briviera, Mar 27, 2024 ... 2 3 4
    Replies:
    63
    Views:
    1,825
    Luxus
    Mar 30, 2024
  52. got_tork

    Main Bearing Oil Feeds

    got_tork, Mar 27, 2024
    Replies:
    2
    Views:
    147
    got_tork
    Mar 27, 2024
  53. ranger

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

    ranger, Mar 26, 2024 ... 2 3
    Replies:
    44
    Views:
    2,104
    ranger
    Apr 4, 2024
  54. TheSilverBuick

    SPX water passage

    TheSilverBuick, Mar 26, 2024
    Replies:
    6
    Views:
    311
    BQUICK
    Mar 30, 2024
  55. Tim

    What aluminum intake works best to keep GS air cleaner?

    Tim, Mar 25, 2024
    Replies:
    2
    Views:
    222
    BQUICK
    Mar 25, 2024
  56. rkammer

    Spark plug gap with Pertronix III?

    rkammer, Mar 25, 2024
    Replies:
    11
    Views:
    438
    Schurkey
    Mar 30, 2024
  57. 1969briviera

    NOS head gaskets 430

    1969briviera, Mar 22, 2024
    Replies:
    7
    Views:
    232
    1969briviera
    Mar 22, 2024
  58. TommyV

    Picked up my beast today!

    TommyV, Mar 21, 2024
    Replies:
    13
    Views:
    531
    TommyV
    Mar 23, 2024
  59. Atbb

    Quick flexplate question

    Atbb, Mar 21, 2024
    Replies:
    19
    Views:
    686
    Atbb
    May 3, 2024
  60. Skylard

    Belly Pan 68 Skylark

    Skylard, Mar 20, 2024
    Replies:
    5
    Views:
    201
    Schurkey
    Mar 22, 2024
  61. tubecatgs

    455 build quote/next steps/advice

    tubecatgs, Mar 20, 2024 ... 2
    Replies:
    21
    Views:
    682
    FJM568
    Mar 21, 2024
  62. JohnnyBuick

    Best type of material for 430 Head Gaskets?

    JohnnyBuick, Mar 18, 2024
    Replies:
    13
    Views:
    458
    JohnnyBuick
    Mar 29, 2024
  63. BQUICK

    455 Cam ID

    BQUICK, Mar 15, 2024
    Replies:
    0
    Views:
    141
    BQUICK
    Mar 15, 2024
  64. avmechanic

    Choosing one of my cams for my current 455 build.

    avmechanic, Mar 14, 2024
    Replies:
    9
    Views:
    353
    hugger
    Mar 15, 2024
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