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

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

    Jim Weise, Oct 8, 2010 ... 3 4 5
    Replies:
    96
    Views:
    96,632
    StfSocal
    May 2, 2022
  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:
    4,257
    73Stage2
    Apr 30, 2024
  3. Jim Weise
    Sticky

    Camshaft degreeing 101

    Jim Weise, Jan 16, 2011 ... 2 3 4
    Replies:
    64
    Views:
    42,324
    Guy Parquette
    Feb 23, 2024
  4. 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:
    53,680
    piston1
    Aug 10, 2019
  5. bignastyGS
    Sticky

    Let's discuss cam bearings

    bignastyGS, Dec 18, 2021 ... 2 3
    Replies:
    45
    Views:
    3,937
    TimR
    Aug 28, 2022
  6. MN GS455
    Sticky

    Blueprint machining videos, B.B. Buick

    MN GS455, Jan 14, 2019 ... 2
    Replies:
    26
    Views:
    4,268
    455 Powered
    Jul 17, 2019
  7. Jim Weise
    Sticky

    Original SAE Conference BB handout booklet- scan

    Jim Weise, Dec 7, 2010 ... 2
    Replies:
    26
    Views:
    24,046
    matt68gs400
    Sep 3, 2017
  8. Jim Weise
    Sticky

    BOP 455 Rear seal Install- Step by Step

    Jim Weise, Sep 3, 2015 ... 2
    Replies:
    23
    Views:
    16,291
    1969RIVI
    Apr 11, 2024
  9. Jim Weise
    Sticky

    Engine break in prep and video

    Jim Weise, Oct 13, 2010
    Replies:
    12
    Views:
    24,171
    Drachen
    Mar 13, 2016
  10. Utah455
    Sticky

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

    Utah455, Oct 4, 2023
    Replies:
    10
    Views:
    629
    70Riv455
    Oct 26, 2023
  11. Quick Buick
    Sticky

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

    Quick Buick, Nov 28, 2019
    Replies:
    9
    Views:
    2,086
    wormwood
    Dec 28, 2023
  12. Quick Buick
    Sticky

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

    Quick Buick, Nov 28, 2019
    Replies:
    6
    Views:
    2,046
    Nailhead in a 1967
    Apr 5, 2024
  13. Quick Buick
    Sticky

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

    Quick Buick, Nov 27, 2019
    Replies:
    4
    Views:
    2,822
    Inglburt
    May 22, 2020
  14. 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:
    1,356
    The Big Guy
    Nov 28, 2019
  15. Nitro71455

    ATI Supercharger II

    Nitro71455, Sep 11, 2003 ... 18 19 20
    Replies:
    386
    Views:
    33,535
    buick46270
    Apr 18, 2008
  16. Jim Blackwood

    Big Block MGB

    Jim Blackwood, Apr 6, 2007 ... 17 18 19
    Replies:
    370
    Views:
    90,716
    Julian
    Feb 10, 2018
  17. Yardley

    TA 413 Cam

    Yardley, Oct 17, 2010 ... 15 16 17
    Replies:
    333
    Views:
    47,443
    Yardley
    May 25, 2011
  18. LARRY70GS

    TSP Level 2A-R (Larry's motor) Complete and Dyno tested.

    LARRY70GS, Jul 25, 2012 ... 14 15 16
    Replies:
    301
    Views:
    55,534
    gmcgruther
    Jul 31, 2016
  19. BP_Motorworks

    Supercharger on 455

    BP_Motorworks, Jun 18, 2003 ... 12 13 14
    Replies:
    279
    Views:
    30,013
    stage2man
    Oct 10, 2008
  20. oldschool85

    Post your 11/12 second 455 combos!

    oldschool85, Nov 9, 2013 ... 11 12 13
    Replies:
    249
    Views:
    56,787
    buick bud
    Feb 9, 2022
  21. Jim Weise

    TSP Level 2A-R Prototype Specs and testing (Larry's motor)

    Jim Weise, Jan 22, 2011 ... 11 12 13
    Replies:
    248
    Views:
    60,600
    BuickAl
    Apr 27, 2016
  22. Yardley

    At The End Of My Rope

    Yardley, Sep 7, 2009 ... 11 12 13
    Replies:
    244
    Views:
    20,981
    12lives
    Jan 11, 2010
  23. 1969RIVI

    Black Cherry Buick Build

    1969RIVI, Jun 24, 2021 ... 9 10 11
    Replies:
    214
    Views:
    9,417
    sean Buick 76
    Sep 7, 2022
  24. Johny Bee O

    Compression & Ignition Question

    Johny Bee O, Jan 29, 2011 ... 9 10 11
    Replies:
    211
    Views:
    30,395
    Robs455
    May 30, 2012
  25. frank700

    Edelbrock heads

    frank700, Nov 22, 2005 ... 9 10 11
    Replies:
    206
    Views:
    20,085
    gsjohnny
    Jan 31, 2006
  26. Sebambam

    69 C10 BBB Project

    Sebambam, Apr 23, 2021 ... 8 9 10
    Replies:
    199
    Views:
    9,664
    Sebambam
    Mar 9, 2023
  27. LARRY70GS

    Uhhh!, Timing cover leak.

    LARRY70GS, Aug 30, 2020 ... 8 9 10
    Replies:
    189
    Views:
    8,699
    telriv
    Sep 10, 2020
  28. 69_GS_400

    400 cooling and oil pressure issue

    69_GS_400, Aug 10, 2017 ... 8 9 10
    Replies:
    180
    Views:
    6,679
    69_GS_400
    Aug 27, 2023
  29. TheCynic

    455 has begun to bog with any throttle

    TheCynic, Dec 9, 2019 ... 7 8 9
    Replies:
    174
    Views:
    8,241
    TheCynic
    Feb 28, 2020
  30. 70lesabre455

    455 Rebuild

    70lesabre455, Jul 22, 2009 ... 7 8 9
    Replies:
    170
    Views:
    21,712
    70lesabre455
    Apr 2, 2010
  31. 68riviera430

    Does pertronix change your firing order...?

    68riviera430, Apr 2, 2009 ... 7 8 9
    Replies:
    165
    Views:
    21,007
    LARRY70GS
    Oct 12, 2016
  32. duke350

    Time to build the 455 ive always wanted

    duke350, Jun 17, 2015 ... 7 8 9
    Replies:
    165
    Views:
    20,532
    8ad-f85
    Jan 1, 2016
  33. Rossco

    455 in a Land Rover

    Rossco, Jul 9, 2015 ... 7 8 9
    Replies:
    161
    Views:
    8,700
    Finbuick
    Apr 27, 2023
  34. jr_

    470 assembly started

    jr_, Nov 3, 2022 ... 6 7 8
    Replies:
    156
    Views:
    6,420
    jr_
    May 16, 2024 at 3:35 PM
  35. Brett Slater

    I'm at a loss and grabbing at straws...

    Brett Slater, Jul 27, 2021 ... 6 7 8
    Replies:
    156
    Views:
    8,507
    12lives
    Jun 21, 2022
  36. Esasky's85GN

    Continuing with Wilson's problematic 72 Skylark

    Esasky's85GN, May 12, 2016 ... 6 7 8
    Replies:
    155
    Views:
    23,325
    Esasky's85GN
    Dec 8, 2017
  37. Jeremy Zepnick

    Jeremy's 455 motor build thread

    Jeremy Zepnick, Mar 30, 2022 ... 6 7 8
    Replies:
    154
    Views:
    9,000
    Jeremy Zepnick
    May 22, 2023
  38. sootie007

    First time out.... waa waa waa waaaaaaaa !

    sootie007, Dec 4, 2007 ... 6 7 8
    Replies:
    154
    Views:
    24,307
    sootie007
    Dec 30, 2011
  39. VET

    Looking for suggestions and expert advice: Upgrading my 1970 455 engine to a modern 455 engine

    VET, Nov 1, 2023 ... 6 7 8
    Replies:
    152
    Views:
    4,107
    BUICKRAT
    Nov 16, 2023
  40. Christopher Spouse Drew

    Need Help- Porting Heads for beginners

    Christopher Spouse Drew, Jul 25, 2018 ... 6 7 8
    Replies:
    150
    Views:
    10,301
    Stevem
    Feb 6, 2021
  41. Jim Weise

    New Oil tech..

    Jim Weise, Feb 9, 2011 ... 6 7 8
    Replies:
    146
    Views:
    41,524
    Fox's Den
    Mar 1, 2024
  42. Weekender

    Serpine belt systems for 455

    Weekender, Sep 23, 2004 ... 6 7 8
    Replies:
    145
    Views:
    23,572
    Hotrodgss1
    Oct 14, 2023
  43. knucklebusted

    Running a Little Bit Hot Tonight!

    knucklebusted, Jul 14, 2015 ... 6 7 8
    Replies:
    140
    Views:
    14,216
    knucklebusted
    Oct 20, 2015
  44. theone61636

    430 Build

    theone61636, Oct 10, 2012 ... 6 7 8
    Replies:
    140
    Views:
    17,555
    theone61636
    Jun 15, 2013
  45. Jim Weise

    New Buildup! 448ci STG 2 SE Hyd roller.. an MPG motor

    Jim Weise, Jul 27, 2012 ... 5 6 7
    Replies:
    133
    Views:
    318,848
    Jim Weise
    Nov 30, 2013
  46. Canadian GS 350

    Blew up the 350....here comes the 455 econo build

    Canadian GS 350, May 5, 2020 ... 5 6 7
    Replies:
    132
    Views:
    8,296
    Canadian GS 350
    Jul 4, 2022
  47. 87GN_70GS

    If you are using one of these type air cleaner bases - stop, and throw it away

    87GN_70GS, Dec 8, 2020 ... 5 6 7
    Replies:
    132
    Views:
    12,598
    12lives
    Feb 2, 2021
  48. rkammer

    My New TSP Sleeper 482 Stroker Motor

    rkammer, Apr 23, 2022 ... 5 6 7
    Replies:
    131
    Views:
    8,285
    TrunkMonkey
    Jul 22, 2023
  49. babyblue 69

    TA 413, or 290 08H

    babyblue 69, Jan 2, 2011 ... 5 6 7
    Replies:
    126
    Views:
    20,645
    grandville455
    Mar 22, 2011
  50. Bogus919

    Driveshaft Loop Needed?

    Bogus919, Aug 22, 2022 ... 5 6 7
    Replies:
    122
    Views:
    3,575
    Jeremy Zepnick
    Mar 17, 2023
  51. Gr8ScatFan

    What Carb Do You Like?

    Gr8ScatFan, Jan 27, 2004 ... 5 6 7
    Replies:
    121
    Views:
    32,229
    HotRodRivi
    Feb 21, 2014
  52. hugger

    65 Prostreet

    hugger, Aug 10, 2020 ... 5 6 7
    Replies:
    120
    Views:
    6,840
    sean Buick 76
    Nov 2, 2021
  53. babyblue 69

    Please tell me I don't have to pull the heads off

    babyblue 69, Sep 1, 2014 ... 4 5 6
    Replies:
    119
    Views:
    18,778
    flynbuick
    Dec 2, 2016
  54. MD_76_LIMITED

    My 455 Build Thread

    MD_76_LIMITED, Jan 24, 2015 ... 4 5 6
    Replies:
    119
    Views:
    19,269
    MD_76_LIMITED
    Jun 21, 2015
  55. ick

    Anyone using a Crower 52242 Compu Pro camshaft ..

    ick, Feb 13, 2013 ... 4 5 6
    Replies:
    117
    Views:
    12,997
    ick
    Apr 2, 2013
  56. hunter7389

    Knock/rattle at lowish rpm. 455 *teardown/rebuild pg5*

    hunter7389, Jul 16, 2017 ... 4 5 6
    Replies:
    116
    Views:
    9,064
    8ad-f85
    Jan 18, 2018
  57. Jallen7166

    New to buick 455 engines

    Jallen7166, Jan 31, 2019 ... 4 5 6
    Replies:
    115
    Views:
    6,361
    Jallen7166
    Feb 8, 2019
  58. 462CID

    What vacuum can I expect from a TA 288-94H cam?

    462CID, Nov 27, 2004 ... 4 5 6
    Replies:
    115
    Views:
    6,512
    leo455
    Jan 15, 2005
  59. Joe65SkylarkGS

    Show Under Your Hoods!!!!!! Pics!!!

    Joe65SkylarkGS, Nov 28, 2007 ... 4 5 6
    Replies:
    114
    Views:
    10,638
    rmstg2
    Jan 2, 2008
  60. Scot69GS400conv

    My AM&P 464 is finally here ....

    Scot69GS400conv, Dec 10, 2007 ... 4 5 6
    Replies:
    112
    Views:
    8,440
    Scot69GS400conv
    Jan 13, 2008
  61. Matt Ennis

    FNG/ Heads Selection Assist Needed

    Matt Ennis, May 12, 2019 ... 4 5 6
    Replies:
    109
    Views:
    5,047
    70 GMuscle
    Jun 12, 2019
  62. 1969briviera

    Stock 430ci pings

    1969briviera, Apr 14, 2007 ... 4 5 6
    Replies:
    108
    Views:
    8,197
    buicksstage1
    Dec 27, 2008
  63. 69WILD

    Slop in original timing chain on 78k 430

    69WILD, Aug 5, 2023 ... 4 5 6
    Replies:
    107
    Views:
    2,833
    Schurkey
    Nov 20, 2023
  64. josehf34

    455 Poor power poor gas mileage

    josehf34, Jan 31, 2019 ... 4 5 6
    Replies:
    107
    Views:
    6,749
    josehf34
    Mar 17, 2019
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