Street/strip 400/430/455

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

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  1. Jim Weise
    Sticky

    BOP 455 Rear seal Install- Step by Step

    Jim Weise, Sep 3, 2015 ... 2
    Replies:
    23
    Views:
    17,311
    1969RIVI
    Apr 11, 2024
  2. Quick Buick
    Sticky

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

    Quick Buick, Nov 28, 2019
    Replies:
    6
    Views:
    2,488
    Nailhead in a 1967
    Apr 5, 2024
  3. LARRY70GS
    Sticky

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

    LARRY70GS, Jun 5, 2023 ... 2 3 4
    Replies:
    71
    Views:
    5,196
    VET
    Mar 12, 2024
  4. Jim Weise
    Sticky

    Camshaft degreeing 101

    Jim Weise, Jan 16, 2011 ... 2 3 4
    Replies:
    64
    Views:
    42,660
    Guy Parquette
    Feb 23, 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:
    2,200
    wormwood
    Dec 28, 2023
  6. Utah455
    Sticky

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

    Utah455, Oct 4, 2023
    Replies:
    10
    Views:
    718
    70Riv455
    Oct 26, 2023
  7. bignastyGS
    Sticky

    Let's discuss cam bearings

    bignastyGS, Dec 18, 2021 ... 2 3
    Replies:
    45
    Views:
    4,292
    TimR
    Aug 28, 2022
  8. Jim Weise
    Sticky

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

    Jim Weise, Oct 8, 2010 ... 3 4 5
    Replies:
    96
    Views:
    97,486
    StfSocal
    May 2, 2022
  9. Quick Buick
    Sticky

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

    Quick Buick, Nov 27, 2019
    Replies:
    4
    Views:
    2,925
    Inglburt
    May 22, 2020
  10. 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:
    1,432
    The Big Guy
    Nov 28, 2019
  11. 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:
    53,954
    piston1
    Aug 10, 2019
  12. MN GS455
    Sticky

    Blueprint machining videos, B.B. Buick

    MN GS455, Jan 14, 2019 ... 2
    Replies:
    26
    Views:
    4,432
    455 Powered
    Jul 17, 2019
  13. Jim Weise
    Sticky

    Original SAE Conference BB handout booklet- scan

    Jim Weise, Dec 7, 2010 ... 2
    Replies:
    26
    Views:
    24,163
    matt68gs400
    Sep 3, 2017
  14. Jim Weise
    Sticky

    Engine break in prep and video

    Jim Weise, Oct 13, 2010
    Replies:
    12
    Views:
    24,287
    Drachen
    Mar 13, 2016
  15. dhenderz

    455 Conn Rod Nuts - 12 or 6 pt from Factory?

    dhenderz, Jul 25, 2024 at 7:27 PM
    Replies:
    11
    Views:
    217
    Redmanf1
    Jul 27, 2024 at 5:07 AM
  16. Atbb

    Quick flexplate question

    Atbb, Mar 21, 2024 ... 2
    Replies:
    20
    Views:
    786
    Schurkey
    Jul 27, 2024 at 5:00 AM
  17. Al T

    Throttle Cable Adjustment?

    Al T, Jul 25, 2024 at 9:39 AM
    Replies:
    8
    Views:
    191
    Al T
    Jul 26, 2024 at 12:36 PM
  18. dhenderz

    Stage1 Valve Covers - New or Rechrome?

    dhenderz, Jul 22, 2024 at 1:17 PM ... 2
    Replies:
    20
    Views:
    622
    breakinbuick11
    Jul 26, 2024 at 10:05 AM
  19. chrome yellow

    Flexplate

    chrome yellow, Jul 20, 2024
    Replies:
    19
    Views:
    376
    12lives
    Jul 24, 2024 at 12:55 PM
  20. bostoncat68

    Engine Oil Additives - why we shouldn't use them

    bostoncat68, Jul 20, 2024
    Replies:
    6
    Views:
    398
    knucklebusted
    Jul 22, 2024 at 10:23 AM
  21. rallye

    Cam card needed

    rallye, Jul 20, 2024
    Replies:
    7
    Views:
    208
    rallye
    Jul 21, 2024 at 5:27 PM
  22. josehf34

    455 no oil pressure

    josehf34, Jan 9, 2017 ... 4 5 6
    Replies:
    119
    Views:
    3,953
    TrunkMonkey
    Jul 19, 2024
  23. got_tork

    Chipped Cam Tooth Gear

    got_tork, Jul 14, 2024
    Replies:
    13
    Views:
    448
    John Osborne
    Jul 19, 2024
  24. jr_

    470 assembly started

    jr_, Nov 3, 2022 ... 8 9 10
    Replies:
    184
    Views:
    8,127
    jr_
    Jul 18, 2024
  25. Bryan C. Robertson

    455 overheating/stalling

    Bryan C. Robertson, Jul 17, 2024
    Replies:
    7
    Views:
    205
    Mark Demko
    Jul 18, 2024
  26. Emil H

    The right q-jet for a 455

    Emil H, Nov 10, 2023 ... 2 3 4
    Replies:
    66
    Views:
    1,719
    mbryson
    Jul 17, 2024
  27. TommyV

    Robmcpeformance Fuelpump upgrade?

    TommyV, Jul 14, 2024
    Replies:
    15
    Views:
    318
    436'd Skylark
    Jul 15, 2024
  28. accelr8

    NEW hydraulic roller lifters - Soak in oil prior to install???

    accelr8, Jul 9, 2024
    Replies:
    12
    Views:
    374
    Mark Demko
    Jul 14, 2024
  29. john.schaefer77

    I guess it happens

    john.schaefer77, Jul 13, 2024
    Replies:
    13
    Views:
    305
    TrunkMonkey
    Jul 13, 2024
  30. TommyV

    The Beast is finally ready..Now to find traction on the street

    TommyV, Jul 9, 2024 ... 2
    Replies:
    20
    Views:
    633
    70 GMuscle
    Jul 13, 2024
  31. got_tork

    Cam Info Needed

    got_tork, Jul 12, 2024
    Replies:
    5
    Views:
    189
    got_tork
    Jul 12, 2024
  32. Canadian GS 350

    470 Stroker build

    Canadian GS 350, Jul 24, 2022 ... 4 5 6
    Replies:
    115
    Views:
    7,412
    Canadian GS 350
    Jul 7, 2024
  33. quickstage1

    SPX Intake Question

    quickstage1, Jun 2, 2024 ... 2
    Replies:
    22
    Views:
    747
    LARRY70GS
    Jul 6, 2024
  34. Desiata7

    Engine Install

    Desiata7, Jul 4, 2024
    Replies:
    3
    Views:
    257
    LARRY70GS
    Jul 5, 2024
  35. accelr8

    Head Gasket Install Question

    accelr8, Jul 2, 2024
    Replies:
    11
    Views:
    329
    Schurkey
    Jul 4, 2024
  36. Daves

    Tear down 455

    Daves, Jun 29, 2024 ... 2
    Replies:
    30
    Views:
    865
    Daves
    Jul 1, 2024
  37. john.schaefer77

    Oil pump gears

    john.schaefer77, Jun 27, 2024
    Replies:
    13
    Views:
    416
    Bens99gtp
    Jun 30, 2024
  38. Stage 2 iron

    Round 2 iron head stage 2

    Stage 2 iron, Jun 16, 2023 ... 9 10 11
    Replies:
    209
    Views:
    10,040
    Stage 2 iron
    Jun 29, 2024
  39. Daves

    455 oil problems

    Daves, Jun 23, 2024 ... 2 3
    Replies:
    54
    Views:
    1,226
    Daves
    Jun 27, 2024
  40. Canadian GS 350

    1972 455 GS fan shroud

    Canadian GS 350, Jun 25, 2024
    Replies:
    9
    Views:
    271
    TimR
    Jun 26, 2024
  41. EricV216

    55 Century 455 swap

    EricV216, Jun 6, 2024
    Replies:
    10
    Views:
    361
    12lives
    Jun 25, 2024
  42. ranger

    Different pushrods when using '69 alum rockers on '75 BBB?

    ranger, Jun 22, 2024
    Replies:
    9
    Views:
    207
    Mark Demko
    Jun 23, 2024
  43. 12lives

    How Much does a Stock Piston Weigh?

    12lives, Jun 15, 2024
    Replies:
    18
    Views:
    538
    Da Torquester.
    Jun 23, 2024
  44. 68Buick-Jim

    T/A Performance 455 Waterpumps

    68Buick-Jim, Jun 21, 2024
    Replies:
    1
    Views:
    227
    RoseBud68
    Jun 21, 2024
  45. accelr8

    Oil Pump Clearance Question

    accelr8, Jun 20, 2024
    Replies:
    10
    Views:
    244
    Mark Demko
    Jun 21, 2024
  46. accelr8

    Need the DCR calculator that Larry posted several times

    accelr8, Jan 14, 2024
    Replies:
    8
    Views:
    389
    FJM568
    Jun 20, 2024
  47. FJM568

    my block cam thrust surface fix...

    FJM568, Jun 13, 2024
    Replies:
    18
    Views:
    686
    BrianTrick
    Jun 20, 2024
  48. 1970stage1455

    Bad cam bearing? Sounds like a diesel

    1970stage1455, Jun 16, 2024
    Replies:
    8
    Views:
    420
    1970stage1455
    Jun 18, 2024
  49. 12lives

    Weird Engine Mount Issue

    12lives, Jun 15, 2024
    Replies:
    2
    Views:
    197
    12lives
    Jun 16, 2024
  50. ranger

    Help removing 400 rockers from shaft

    ranger, Jun 15, 2024
    Replies:
    4
    Views:
    177
    ranger
    Jun 15, 2024
  51. ranger

    Help identifying alum rockers

    ranger, Jun 13, 2024
    Replies:
    11
    Views:
    283
    LARRY70GS
    Jun 15, 2024
  52. Bigpig455

    462 Rebuild

    Bigpig455, May 3, 2024 ... 2
    Replies:
    31
    Views:
    1,469
    DaWildcat
    Jun 11, 2024
  53. Al T

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

    Al T, May 16, 2024
    Replies:
    18
    Views:
    846
    jaye
    Jun 11, 2024
  54. john.schaefer77

    RobbMC fuel pump

    john.schaefer77, May 27, 2024 ... 2
    Replies:
    28
    Views:
    967
    Briz
    Jun 9, 2024
  55. FJM568

    compression ratio calc...

    FJM568, Jun 6, 2024
    Replies:
    18
    Views:
    348
    FJM568
    Jun 7, 2024
  56. crazy4my67gs400

    AC Idle Compensation

    crazy4my67gs400, Apr 18, 2021
    Replies:
    10
    Views:
    538
    alsalp
    Jun 7, 2024
  57. Big Twist

    100k mile 455 gasket replacement

    Big Twist, Jun 5, 2024
    Replies:
    11
    Views:
    334
    Mark Demko
    Jun 6, 2024
  58. ArcticRyan

    Switch pitch hook up

    ArcticRyan, May 31, 2024
    Replies:
    11
    Views:
    387
    got_tork
    Jun 4, 2024
  59. 1969briviera

    Lifter/camshaft pressure 430ci

    1969briviera, May 29, 2024
    Replies:
    16
    Views:
    404
    Schurkey
    Jun 4, 2024
  60. billwpm

    one push rod like a fountain

    billwpm, Jun 3, 2024
    Replies:
    3
    Views:
    250
    Schurkey
    Jun 4, 2024
  61. midnightcruiser

    Hard Blok

    midnightcruiser, May 17, 2024
    Replies:
    12
    Views:
    515
    dan gaither
    Jun 1, 2024
  62. Sebm-One

    Shifter Rod Clearance Issue 455/400

    Sebm-One, May 26, 2024 ... 2
    Replies:
    20
    Views:
    613
    12lives
    May 29, 2024
  63. 70Riv455

    A/C Recharge

    70Riv455, May 21, 2024
    Replies:
    8
    Views:
    306
    70Riv455
    May 28, 2024
  64. Luxus

    PCV grommet?

    Luxus, May 21, 2024 ... 2
    Replies:
    28
    Views:
    654
    Deogi2
    May 26, 2024
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