Street/strip 400/430/455

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

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  1. LKBUMM

    BeeHive spring retainers????

    LKBUMM, Jul 5, 2010 ... 2
    Replies:
    22
    Views:
    4,394
    VET
    Dec 14, 2023
  2. socal rider

    Identify 73 455

    socal rider, Dec 10, 2023
    Replies:
    11
    Views:
    370
    Herman Gross
    Dec 13, 2023
  3. got_tork

    Hays 15-075 Sfi Flexplate

    got_tork, Dec 9, 2023
    Replies:
    4
    Views:
    185
    got_tork
    Dec 10, 2023
  4. hugger

    Stock shortblock cams

    hugger, Dec 10, 2023
    Replies:
    14
    Views:
    392
    hugger
    Dec 10, 2023
  5. TommyV

    TA Stage 2 Headers..2” or 2 1/8th”?

    TommyV, Dec 5, 2023
    Replies:
    11
    Views:
    441
    TommyV
    Dec 6, 2023
  6. TommyV

    Am i leaving anything on the table?

    TommyV, Oct 23, 2023 ... 2
    Replies:
    26
    Views:
    1,114
    TommyV
    Dec 5, 2023
  7. waterwolf

    Edelbrock heads 60049

    waterwolf, Sep 28, 2011 ... 2 3 4
    Replies:
    61
    Views:
    13,201
    TommyV
    Dec 3, 2023
  8. Imreal

    455 need oil pan for girdled block?

    Imreal, Nov 27, 2023
    Replies:
    6
    Views:
    330
    1973gs
    Dec 3, 2023
  9. Utah455

    Emissions sticker location for 1970 Stage1 Plastic top

    Utah455, Dec 2, 2023
    Replies:
    6
    Views:
    195
    Utah455
    Dec 2, 2023
  10. FJM568

    what valve stem seals to use during refresh?

    FJM568, Nov 29, 2023
    Replies:
    4
    Views:
    223
    Thumper (aka greatscat)
    Nov 30, 2023
  11. FJM568

    455 crank undersize question...

    FJM568, Nov 26, 2023
    Replies:
    8
    Views:
    467
    Schurkey
    Nov 29, 2023
  12. Lars GS

    TA Cams

    Lars GS, Nov 9, 2023 ... 2
    Replies:
    31
    Views:
    1,678
    Mark Demko
    Nov 29, 2023
  13. Bigpig455

    Has anyone got a cam card for an older version of the TA C118 Cam?

    Bigpig455, Nov 28, 2023
    Replies:
    2
    Views:
    181
    Bigpig455
    Nov 29, 2023
  14. Frankie70GS

    Baby back home. Finally. See y

    Frankie70GS, Nov 21, 2023 ... 2
    Replies:
    32
    Views:
    1,068
    Frankie70GS
    Nov 27, 2023
  15. Houndogforever

    question regarding piston center nibs. L2353 forged Sealed power.

    Houndogforever, Feb 23, 2013 ... 2
    Replies:
    24
    Views:
    3,413
    DaWildcat
    Nov 26, 2023
  16. flatire

    Buick! Machine shop in Los Angeles?

    flatire, Jul 22, 2008
    Replies:
    5
    Views:
    1,151
    socal rider
    Nov 25, 2023
  17. socal rider

    Front stablizer bar

    socal rider, Nov 23, 2023
    Replies:
    2
    Views:
    199
    socal rider
    Nov 24, 2023
  18. 70Riv455

    T-Stat Housing leak.

    70Riv455, Nov 22, 2023
    Replies:
    7
    Views:
    204
    70Riv455
    Nov 22, 2023
  19. Bigpig455

    455 Coolant Leak

    Bigpig455, Nov 20, 2023
    Replies:
    13
    Views:
    390
    Mark Demko
    Nov 22, 2023
  20. accelr8

    First engine build and have an unusual thrust bearing question

    accelr8, Nov 20, 2023
    Replies:
    7
    Views:
    402
    accelr8
    Nov 21, 2023
  21. wormwood

    Ok dumb question of the day

    wormwood, Nov 20, 2023
    Replies:
    13
    Views:
    409
    SpecialWagon65
    Nov 21, 2023
  22. Utah455

    Install a new Fan Shroud - How to, what needs to be removed/not removed?

    Utah455, Nov 20, 2023
    Replies:
    11
    Views:
    342
    TommyV
    Nov 20, 2023
  23. 69WILD

    Slop in original timing chain on 78k 430

    69WILD, Aug 5, 2023 ... 4 5 6
    Replies:
    107
    Views:
    2,812
    Schurkey
    Nov 20, 2023
  24. ROCK N ROLL GSX

    STAGE 2 HOOD SCOOP x 3

    ROCK N ROLL GSX, Jan 14, 2023 ... 2 3
    Replies:
    42
    Views:
    2,782
    ROCK N ROLL GSX
    Nov 17, 2023
  25. 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:
    4,081
    BUICKRAT
    Nov 16, 2023
  26. 1969briviera

    430 heads

    1969briviera, Nov 28, 2016 ... 2
    Replies:
    27
    Views:
    1,449
    Stg'd 2Discover
    Nov 15, 2023
  27. Emil H

    The right q-jet for a 455

    Emil H, Nov 10, 2023 ... 2
    Replies:
    20
    Views:
    685
    Emil H
    Nov 14, 2023
  28. Canadian GS 350

    Spx intake with stock ac brackets ….anyone done this?

    Canadian GS 350, Nov 12, 2023
    Replies:
    4
    Views:
    230
    TheSilverBuick
    Nov 13, 2023
  29. socal rider

    New to me 455

    socal rider, Nov 10, 2023
    Replies:
    4
    Views:
    257
    Schurkey
    Nov 11, 2023
  30. Canadian GS 350

    In preparation for chassis dyno

    Canadian GS 350, Nov 6, 2023
    Replies:
    13
    Views:
    383
    Canadian GS 350
    Nov 11, 2023
  31. Canadian GS 350

    7 blade 18 inch versus 5 blade 20 inch for best cooling

    Canadian GS 350, Oct 16, 2023
    Replies:
    13
    Views:
    625
    Gary Bohannon
    Nov 10, 2023
  32. jaystoy

    Header install question

    jaystoy, Nov 7, 2023
    Replies:
    14
    Views:
    475
    jaystoy
    Nov 9, 2023
  33. 70Riv455

    Stupid Coolant question...

    70Riv455, Nov 7, 2023
    Replies:
    9
    Views:
    429
    70Riv455
    Nov 8, 2023
  34. RoseBud68

    No spark from the coil.

    RoseBud68, Nov 5, 2023
    Replies:
    11
    Views:
    306
    RoseBud68
    Nov 7, 2023
  35. 70Riv455

    455 Oil Change

    70Riv455, Nov 5, 2023
    Replies:
    7
    Views:
    288
    70Riv455
    Nov 5, 2023
  36. nekkidhillbilly

    Iron Head question

    nekkidhillbilly, Oct 29, 2023 ... 2
    Replies:
    21
    Views:
    879
    nekkidhillbilly
    Nov 4, 2023
  37. 87GN_70GS

    Port match SP1 or not?

    87GN_70GS, Oct 31, 2023
    Replies:
    4
    Views:
    313
    Stevem
    Nov 2, 2023
  38. AtlBantam430

    430 build for different type project...

    AtlBantam430, Oct 25, 2023
    Replies:
    19
    Views:
    810
    AtlBantam430
    Oct 29, 2023
  39. jhems17

    Header collectors and pipe size

    jhems17, Oct 24, 2023
    Replies:
    8
    Views:
    363
    jhems17
    Oct 29, 2023
  40. 70Riv455

    Oil Pan gasket replacement 455

    70Riv455, Oct 27, 2023
    Replies:
    6
    Views:
    295
    Quick Buick
    Oct 28, 2023
  41. socal rider

    1968 430 oil mods

    socal rider, Oct 15, 2023 ... 2 3
    Replies:
    40
    Views:
    1,314
    VET
    Oct 27, 2023
  42. Jesse Tackett

    Kenne Bell 455 lifters, bottom coated?

    Jesse Tackett, Oct 27, 2023
    Replies:
    3
    Views:
    236
    Jesse Tackett
    Oct 27, 2023
  43. jzuelly1

    flexplate bolts

    jzuelly1, May 4, 2015
    Replies:
    12
    Views:
    1,633
    jzuelly1
    Oct 25, 2023
  44. Tom Raschka

    1379242 crankshaft

    Tom Raschka, Oct 23, 2023
    Replies:
    2
    Views:
    241
    Tom Raschka
    Oct 25, 2023
  45. section8mainiac

    BBB w/1970 Heads on 1971 Block & HP/TQ guess

    section8mainiac, Oct 24, 2023
    Replies:
    2
    Views:
    198
    pbr400
    Oct 24, 2023
  46. gs430

    71 stage 1 iron heads on '68 430?

    gs430, Oct 6, 2023
    Replies:
    15
    Views:
    709
    436'd Skylark
    Oct 23, 2023
  47. theone61636

    Engine Carnage

    theone61636, Sep 4, 2023 ... 2
    Replies:
    25
    Views:
    1,216
    TheSilverBuick
    Oct 23, 2023
  48. dan zepnick

    Composite intake gasket installation?

    dan zepnick, Oct 20, 2023
    Replies:
    12
    Views:
    385
    Mark Demko
    Oct 23, 2023
  49. 436'd Skylark

    B4B vs. SP-1 and a quest for mileage..

    436'd Skylark, Aug 3, 2020 ... 2
    Replies:
    36
    Views:
    3,222
    Quick Buick
    Oct 20, 2023
  50. rus

    400/455 auto flywheel same?

    rus, Nov 30, 2021
    Replies:
    19
    Views:
    1,218
    LARRY70GS
    Oct 19, 2023
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