Street/strip 400/430/455

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

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  1. ArcticRyan

    430 rebuild

    ArcticRyan, Mar 14, 2023 ... 4 5 6
    Replies:
    106
    Views:
    4,217
    alaskagn
    Aug 14, 2023
  2. GRIMM

    Time for Engine Assembly

    GRIMM, Jan 25, 2007 ... 4 5 6
    Replies:
    106
    Views:
    9,287
    RG67BEAST
    Jan 27, 2010
  3. theone61636

    430 build Part II...this time a 455!

    theone61636, Jun 23, 2013 ... 4 5 6
    Replies:
    105
    Views:
    11,094
    theone61636
    Nov 9, 2013
  4. snucks

    k so 7 mpg..

    snucks, Nov 12, 2012 ... 4 5 6
    Replies:
    105
    Views:
    6,532
    snucks
    Nov 29, 2012
  5. LARRY70GS

    Street Torque Converter Preference

    LARRY70GS, Jan 27, 2014 ... 4 5 6
    Replies:
    104
    Views:
    22,325
    LARRY70GS
    Feb 6, 2014
  6. 73Stage1

    $1.95 K&N Oil Filters 455 BBB

    73Stage1, Apr 24, 2011 ... 4 5 6
    Replies:
    102
    Views:
    10,067
    hiphopelements
    May 21, 2011
  7. Johnny Angel

    My engine is finally done...WOW!!!

    Johnny Angel, Mar 22, 2007 ... 4 5 6
    Replies:
    102
    Views:
    13,785
    Johnny Angel
    Jun 19, 2007
  8. bbb72

    Cam help

    bbb72, Apr 7, 2014 ... 4 5 6
    Replies:
    101
    Views:
    9,006
    G. Avery
    Apr 29, 2014
  9. kick71

    My new Wildcat 455 has arrived..SWEEETT!

    kick71, Jul 26, 2007 ... 4 5 6
    Replies:
    101
    Views:
    8,519
    kick71
    Feb 23, 2008
  10. 1969briviera

    Checking on Timing set

    1969briviera, Mar 4, 2024 ... 4 5 6
    Replies:
    100
    Views:
    2,254
    12lives
    Mar 27, 2024
  11. qak

    progression ignition distributor review

    qak, Apr 15, 2021 ... 4 5 6
    Replies:
    100
    Views:
    11,377
    1968_GS400
    Jan 2, 2024
  12. cruizin70

    Edelbrock vs Stock 455 Intake Manifold

    cruizin70, Jun 3, 2006 ... 4 5 6
    Replies:
    100
    Views:
    30,924
    tommieboy
    Aug 26, 2021
  13. magic marouke

    Temp up and down after coolant flush

    magic marouke, Apr 6, 2019 ... 4 5 6
    Replies:
    100
    Views:
    6,003
    Schurkey
    Apr 25, 2021
  14. Canadian GS 350

    470 Stroker build

    Canadian GS 350, Jul 24, 2022 ... 3 4 5
    Replies:
    99
    Views:
    5,799
    Fox's Den
    Apr 20, 2024
  15. 1969RIVI

    TA or PROFORM timing cover

    1969RIVI, Mar 9, 2018 ... 3 4 5
    Replies:
    99
    Views:
    8,569
    scubasteve455
    Mar 29, 2018
  16. hgiljr

    Average cost to pay a shop to install an engine

    hgiljr, Feb 17, 2020 ... 3 4 5
    Replies:
    97
    Views:
    4,947
    TORQUED455
    Mar 20, 2020
  17. speedtigger

    Deliver me from temptation - LS1 swap

    speedtigger, May 16, 2010 ... 3 4 5
    Replies:
    96
    Views:
    14,596
    speedtigger
    Dec 18, 2010
  18. douglas glad

    Car Craft's 455

    douglas glad, May 11, 2006 ... 3 4 5
    Replies:
    96
    Views:
    17,269
    NJBuickRacer
    Apr 30, 2009
  19. rkammer

    Some troubleshooting ideas please.

    rkammer, Jul 8, 2023 ... 3 4 5
    Replies:
    95
    Views:
    2,942
    hwprouty
    Jul 17, 2023
  20. RoseBud68

    Lazy Lifter

    RoseBud68, May 6, 2019 ... 3 4 5
    Replies:
    95
    Views:
    5,580
    RoseBud68
    Oct 29, 2019
  21. duke350

    Head swap questions

    duke350, Mar 17, 2020 ... 3 4 5
    Replies:
    94
    Views:
    4,314
    duke350
    Sep 24, 2020
  22. matt68gs400

    455 performance... what next?

    matt68gs400, May 21, 2017 ... 3 4 5
    Replies:
    94
    Views:
    11,174
    johnriv67
    Nov 6, 2019
  23. NZ GS 400

    Disappointing Dyno Numbers -- I need advice please! I think something isn't right.

    NZ GS 400, Jan 23, 2017 ... 3 4 5
    Replies:
    94
    Views:
    8,224
    MN GS455
    Nov 27, 2018
  24. whamo

    new engine in.....WOW!

    whamo, Jul 9, 2006 ... 3 4 5
    Replies:
    94
    Views:
    8,239
    whamo
    Sep 17, 2006
  25. Beamer

    Hard to start after 2 days, fuel drain is possible. Why?

    Beamer, Feb 7, 2017 ... 3 4 5
    Replies:
    93
    Views:
    5,328
    Beamer
    May 12, 2017
  26. buick535
    Locked

    Free porting on 1st set of edelbrock heads

    buick535, Jul 13, 2006 ... 3 4 5
    Replies:
    93
    Views:
    10,015
    76century
    Dec 4, 2006
  27. Jim Weise

    The "Sneaky 500 HP" motor

    Jim Weise, Jul 14, 2009 ... 3 4 5
    Replies:
    92
    Views:
    32,126
    Ryans-GSX
    Mar 8, 2024
  28. VET

    Stage 2 - 455

    VET, Feb 3, 2024 ... 3 4 5
    Replies:
    92
    Views:
    2,112
    VET
    Feb 5, 2024
  29. BennyK81
    Locked

    Aluminum Heads with Cast Iron Exhaust Manifolds

    BennyK81, Feb 27, 2017 ... 3 4 5
    Replies:
    92
    Views:
    9,524
    Jim Weise
    Mar 13, 2017
  30. cray1801

    Dyno day, the good and the bad....

    cray1801, Oct 25, 2008 ... 3 4 5
    Replies:
    92
    Views:
    9,495
    Rossco
    Feb 20, 2009
  31. 87GN_70GS

    Dyno test tomorrow - what will it make?

    87GN_70GS, Nov 19, 2020 ... 3 4 5
    Replies:
    90
    Views:
    5,110
    87GN_70GS
    Dec 1, 2020
  32. buick535

    alum head 10.1 to 1 engine

    buick535, Dec 23, 2003 ... 3 4 5
    Replies:
    90
    Views:
    7,675
    Jim Weise
    Jan 4, 2004
  33. Threeft

    455 72-75 Weirdest coolant leak ever

    Threeft, Dec 12, 2016 ... 3 4 5
    Replies:
    89
    Views:
    11,089
    john.schaefer77
    Feb 8, 2017
  34. Rob Swenton

    Engine fire up help

    Rob Swenton, Oct 4, 2020 ... 3 4 5
    Replies:
    88
    Views:
    3,450
    Canadian GS 350
    Aug 29, 2021
  35. Warren Jarrett

    1973 455 Stage 1: now 8.5:1 compression, how much higher possible for 2018 Premium fuel?

    Warren Jarrett, Feb 26, 2018 ... 3 4 5
    Replies:
    88
    Views:
    8,163
    8ad-f85
    Mar 11, 2018
  36. JayZee88

    What is needed for a street motor 455 500hp then 600hp?

    JayZee88, Jan 14, 2017 ... 3 4 5
    Replies:
    87
    Views:
    16,455
    Gary Farmer
    Jan 24, 2017
  37. wormwood

    Breaking starters?

    wormwood, May 2, 2016 ... 3 4 5
    Replies:
    86
    Views:
    7,085
    wormwood
    Feb 1, 2019
  38. RoadShark

    Best starter for BBB with shorty headers?

    RoadShark, Aug 14, 2016 ... 3 4 5
    Replies:
    86
    Views:
    12,076
    LARRY70GS
    May 21, 2017
  39. pooods

    Did I screw up with this carb?

    pooods, Jan 15, 2007 ... 3 4 5
    Replies:
    86
    Views:
    7,620
    aedmonster
    Jan 27, 2007
  40. babyblue 69

    Finally got it to the track

    babyblue 69, Dec 3, 2016 ... 3 4 5
    Replies:
    85
    Views:
    8,503
    babyblue 69
    Aug 11, 2017
  41. sootie007

    Motors in my 65 LArk.

    sootie007, Jun 9, 2007 ... 3 4 5
    Replies:
    85
    Views:
    7,524
    sootie007
    Nov 19, 2007
  42. matt68gs400

    Well this sucks

    matt68gs400, Aug 17, 2019 ... 3 4 5
    Replies:
    84
    Views:
    4,552
    matt68gs400
    Aug 28, 2019
  43. stg2NW

    Finishline 464 Stage 2 build

    stg2NW, Jul 23, 2013 ... 3 4 5
    Replies:
    82
    Views:
    22,001
    stagedgs
    Jul 22, 2020
  44. 455 Skylark

    455 HP. question

    455 Skylark, Mar 6, 2013 ... 3 4 5
    Replies:
    82
    Views:
    8,670
    mltdwn12
    May 29, 2013
  45. Joe65SkylarkGS

    Finally got my 65 on the track. Finally.

    Joe65SkylarkGS, Jun 6, 2009 ... 3 4 5
    Replies:
    82
    Views:
    5,139
    Joe65SkylarkGS
    Jun 27, 2009
  46. 427camaro

    Update of Camaro

    427camaro, Mar 7, 2003 ... 3 4 5
    Replies:
    82
    Views:
    6,838
    dennis6rs91
    Feb 13, 2004
  47. VET

    Who has heard the thin-walled cylinder 455 engine is prone to overheating.

    VET, Jul 26, 2023 ... 3 4 5
    Replies:
    81
    Views:
    2,338
    VET
    Oct 11, 2023
  48. 455nglide

    500hp 464

    455nglide, Feb 17, 2016 ... 3 4 5
    Replies:
    81
    Views:
    8,940
    LARRY70GS
    Feb 25, 2016
  49. 68riviera430

    Is this guy trying to rip me off?

    68riviera430, Nov 25, 2008 ... 3 4 5
    Replies:
    81
    Views:
    4,744
    Jim Blackwood
    Dec 10, 2008
  50. Briz

    Wix Filter Issues?

    Briz, Apr 23, 2023 ... 3 4 5
    Replies:
    80
    Views:
    4,651
    john.schaefer77
    Jul 11, 2023
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