Street/strip 400/430/455

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

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  1. ranger

    Best Canned Octane Booster??

    ranger, Dec 31, 2022 ... 2 3
    Replies:
    47
    Views:
    1,951
    Ken Mild
    Jan 9, 2023
  2. The Big Guy

    Need harmonic balancer for Stage 1 455. Suggestions?

    The Big Guy, Dec 28, 2022
    Replies:
    8
    Views:
    427
    steve murray
    Jan 2, 2023
  3. jbeary

    Why is my air cleaner weird?

    jbeary, Dec 28, 2022
    Replies:
    15
    Views:
    608
    Chi-Town67
    Dec 30, 2022
  4. Jesse Tackett

    Buick 455 specific valve spring shims??

    Jesse Tackett, Dec 26, 2022
    Replies:
    11
    Views:
    471
    Bens99gtp
    Dec 31, 2022
  5. Canadian GS 350

    TA Stage 2 SE - combustion chamber cc

    Canadian GS 350, Dec 18, 2022
    Replies:
    4
    Views:
    408
    Canadian GS 350
    Dec 19, 2022
  6. fanofsteel

    Upgrade to a roller setup on 1970 GS455 with many TA parts

    fanofsteel, Dec 17, 2022 ... 2 3
    Replies:
    51
    Views:
    2,317
    Mark Demko
    Jan 10, 2023
  7. 1973gs

    Timing cover gasket brand

    1973gs, Dec 15, 2022
    Replies:
    18
    Views:
    670
    Matt Knutson
    Dec 23, 2022
  8. bignastyGS

    Magnafuel fuel pump and filter setup..Good??

    bignastyGS, Dec 14, 2022
    Replies:
    15
    Views:
    460
    bignastyGS
    Dec 28, 2022
  9. Jesse Tackett

    Old KB C188 cam kit :: cut valve guides??

    Jesse Tackett, Dec 13, 2022
    Replies:
    8
    Views:
    465
    Jesse Tackett
    Dec 18, 2022
  10. larrymac40

    Issues lining up

    larrymac40, Dec 13, 2022 ... 2
    Replies:
    37
    Views:
    880
    Super Bald Menace
    Dec 14, 2022
  11. Bigpig455

    Valve lash : solid cams vs. hyd cams w/ solids

    Bigpig455, Dec 11, 2022
    Replies:
    5
    Views:
    353
    Bigpig455
    Dec 12, 2022
  12. 66sky

    What would you do on this 455.......030 over

    66sky, Dec 10, 2022 ... 2
    Replies:
    31
    Views:
    943
    12lives
    Dec 11, 2022
  13. SS/GN

    Wix Filters??

    SS/GN, Dec 8, 2022 ... 2 3
    Replies:
    42
    Views:
    2,638
    hwprouty
    Dec 13, 2022
  14. Canadian GS 350

    3inch tailpipe tips?

    Canadian GS 350, Dec 8, 2022
    Replies:
    15
    Views:
    683
    Canadian GS 350
    Dec 10, 2022
  15. Frankie70GS

    Looking for advice Long story.

    Frankie70GS, Dec 7, 2022 ... 2 3
    Replies:
    44
    Views:
    1,588
    Bens99gtp
    Dec 11, 2022
  16. kim thompson

    Headers

    kim thompson, Dec 5, 2022
    Replies:
    5
    Views:
    426
    Steve73GS
    Dec 6, 2022
  17. 87GN_70GS

    Bearing clearances with coated bearings

    87GN_70GS, Dec 4, 2022
    Replies:
    4
    Views:
    301
    Jim Weise
    Dec 5, 2022
  18. knucklebusted

    Anyone Know What The Silver Headers Are?

    knucklebusted, Dec 3, 2022
    Replies:
    12
    Views:
    1,001
    BrianTrick
    Dec 6, 2022
  19. Abdullah AlGarzai

    Help needed: identify my cam

    Abdullah AlGarzai, Nov 29, 2022
    Replies:
    6
    Views:
    342
    Bens99gtp
    Dec 2, 2022
  20. jr_

    Factory crank pulley and water pump pulley

    jr_, Nov 23, 2022
    Replies:
    13
    Views:
    252
    hugger
    Nov 23, 2022
  21. jbeary

    '68 GS 400 - Oil pan stud bolts

    jbeary, Nov 22, 2022 ... 2
    Replies:
    23
    Views:
    1,167
    CJay
    Apr 7, 2023
  22. RoseBud68

    Lifting plate on aluminum intake.

    RoseBud68, Nov 19, 2022 ... 2
    Replies:
    24
    Views:
    1,211
    BQUICK
    Nov 30, 2022
  23. MNBelv57

    74' Leaking Exhaust Manifold Update

    MNBelv57, Nov 18, 2022
    Replies:
    3
    Views:
    215
    Stevem
    Nov 19, 2022
  24. Canadian GS 350

    Dynamic compression on my 470

    Canadian GS 350, Nov 17, 2022
    Replies:
    12
    Views:
    635
    rkammer
    Nov 20, 2022
  25. accelr8

    What cam is this?

    accelr8, Nov 17, 2022
    Replies:
    7
    Views:
    407
    accelr8
    Nov 18, 2022
  26. GraySky

    Spring pressure for small solid flat tappet cam

    GraySky, Nov 14, 2022
    Replies:
    1
    Views:
    191
    Schurkey
    Nov 14, 2022
  27. thegr8david

    69 400 Oil pickup tube and screen

    thegr8david, Nov 14, 2022
    Replies:
    7
    Views:
    292
    thegr8david
    Nov 16, 2022
  28. StfSocal

    Valve Spring Pressure

    StfSocal, Nov 13, 2022
    Replies:
    8
    Views:
    359
    StfSocal
    Nov 14, 2022
  29. MNBelv57

    74' GS leaking exhaust manifold

    MNBelv57, Nov 12, 2022
    Replies:
    19
    Views:
    569
    TORQUED455
    Nov 15, 2022
  30. hugger

    Anyone running solid lifters on thier hydro cam

    hugger, Nov 12, 2022 ... 2
    Replies:
    27
    Views:
    1,533
    Bigpig455
    Dec 1, 2022
  31. rus

    73 stage 1 on 70 block

    rus, Nov 4, 2022
    Replies:
    3
    Views:
    422
    Bens99gtp
    Nov 6, 2022
  32. jr_

    470 assembly started

    jr_, Nov 3, 2022 ... 6 7 8
    Replies:
    156
    Views:
    6,499
    jr_
    May 16, 2024 at 3:35 PM
  33. srb

    Cooling issue on idle; waterpump(?) combo(?)

    srb, Oct 30, 2022 ... 2 3 4
    Replies:
    65
    Views:
    2,573
    srb
    Jun 12, 2023
  34. TommyV

    Poston intake height taller than stock, or shorter than a SP1?

    TommyV, Oct 27, 2022
    Replies:
    5
    Views:
    368
    hugger
    Oct 29, 2022
  35. Electra Sweden

    Air cleaner vacuum motor substitute?

    Electra Sweden, Oct 21, 2022
    Replies:
    11
    Views:
    492
    hugger
    Oct 26, 2022
  36. alvareracing

    73 455 choke gasket

    alvareracing, Oct 17, 2022
    Replies:
    5
    Views:
    214
    alvareracing
    Oct 26, 2022
  37. Nearing

    455 - Weight of bare block

    Nearing, Oct 16, 2022
    Replies:
    2
    Views:
    341
    lemmy-67
    Oct 17, 2022
  38. srb

    Intermittent spark at plug

    srb, Oct 14, 2022 ... 2
    Replies:
    36
    Views:
    2,233
    TrunkMonkey
    Oct 29, 2022
  39. PGSS

    Off the line engine bore.

    PGSS, Oct 12, 2022
    Replies:
    19
    Views:
    1,054
    k.pascoe
    Nov 17, 2022
  40. rjay

    Pick up tube

    rjay, Oct 9, 2022
    Replies:
    8
    Views:
    396
    rjay
    Oct 10, 2022
  41. Electra Sweden

    Buick 455 idle questions

    Electra Sweden, Oct 6, 2022 ... 2 3
    Replies:
    53
    Views:
    3,171
    Electra Sweden
    Feb 25, 2023
  42. PGSS

    400 BBB ET's?

    PGSS, Oct 5, 2022
    Replies:
    11
    Views:
    623
    pbr400
    Oct 6, 2022
  43. 1973gs

    Broken exhaust valve spring

    1973gs, Oct 2, 2022
    Replies:
    19
    Views:
    774
    1973gs
    Oct 8, 2022
  44. silly

    Need a better t fitting or shorter temperature sender for transmission t fitting

    silly, Sep 27, 2022
    Replies:
    2
    Views:
    205
    Mark Demko
    Sep 28, 2022
  45. Sowle

    Cylinder head advice

    Sowle, Sep 27, 2022 ... 2 3
    Replies:
    41
    Views:
    2,033
    Mark Demko
    Oct 14, 2022
  46. 1970stage1455

    455 gets oil in cyl 6

    1970stage1455, Sep 26, 2022
    Replies:
    8
    Views:
    510
    k.pascoe
    Sep 28, 2022
  47. TommyV

    Intake recommendations

    TommyV, Sep 25, 2022 ... 2
    Replies:
    31
    Views:
    1,538
    ranger
    Oct 10, 2022
  48. BuickV8Mike

    Are Buick BB & Chevelle 396 flywheel the same?

    BuickV8Mike, Sep 25, 2022
    Replies:
    5
    Views:
    396
    Stevem
    Sep 26, 2022
  49. oldschool85

    Lunati 241/255 Torque Tech SP300M Cam Card wanted

    oldschool85, Sep 22, 2022
    Replies:
    3
    Views:
    309
    LARRY70GS
    Sep 23, 2022
  50. Rod Kinkade

    1970 Electra 455 nylon cam gear concerns.

    Rod Kinkade, Sep 20, 2022
    Replies:
    17
    Views:
    573
    Rod Kinkade
    Sep 24, 2022
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