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

    625 HP with the torque of a stocker at 3000 rpm

    Jim Weise, Oct 30, 2006 ... 2 3
    Replies:
    53
    Views:
    10,257
    djd35de
    Mar 18, 2007
  2. sharkmonkey

    Engine stumble while accelerating

    sharkmonkey, Oct 21, 2005 ... 2 3
    Replies:
    53
    Views:
    3,552
    sharkmonkey
    Nov 6, 2005
  3. 462CID

    Tomorrow is Blast Off day- wish me luck

    462CID, Jul 30, 2005 ... 2 3
    Replies:
    53
    Views:
    2,656
    462CID
    Aug 8, 2005
  4. 71GSX455-4SPD

    How much power is a ported stock intake worth???

    71GSX455-4SPD, Dec 26, 2004 ... 2 3
    Replies:
    53
    Views:
    3,235
    Greg Gessler
    Dec 30, 2004
  5. Electra Sweden

    Water pump questions

    Electra Sweden, Mar 6, 2023 ... 2 3
    Replies:
    54
    Views:
    2,296
    1968_GS400
    Jun 4, 2023
  6. avmechanic

    430 swap into Wife's 67' Skylark and build.

    avmechanic, Nov 11, 2021 ... 2 3
    Replies:
    54
    Views:
    2,614
    avmechanic
    Nov 5, 2022
  7. Bogus919

    Cam Break-in Day is finally here

    Bogus919, Apr 22, 2022 ... 2 3
    Replies:
    54
    Views:
    2,632
    BUICKRAT
    Jun 18, 2022
  8. 1969RIVI

    Sonic test numbers, core shift and the not so good first time engine build experience

    1969RIVI, Jul 14, 2020 ... 2 3
    Replies:
    54
    Views:
    3,546
    Bens99gtp
    Mar 24, 2021
  9. IN71GS

    Carburetor Issues on 71 GS 455

    IN71GS, Apr 23, 2019 ... 2 3
    Replies:
    54
    Views:
    2,005
    LARRY70GS
    Apr 27, 2019
  10. Kenneth Willis

    Too much total timing

    Kenneth Willis, Jul 8, 2018 ... 2 3
    Replies:
    54
    Views:
    2,505
    LARRY70GS
    Jul 19, 2018
  11. Builtthistough

    Problems...unsure of where to go next

    Builtthistough, Mar 15, 2017 ... 2 3
    Replies:
    54
    Views:
    2,711
    Tummler
    Mar 19, 2017
  12. cray1801

    How fast did you go with a popular TA-413 cam in a full weight Skylark?

    cray1801, Jan 30, 2008 ... 2 3
    Replies:
    54
    Views:
    16,210
    69GS400s
    Jun 4, 2016
  13. sodak65

    1970 455 cams,first buick build help

    sodak65, Jan 24, 2014 ... 2 3
    Replies:
    54
    Views:
    5,663
    sodak65
    May 1, 2014
  14. TORQUED455

    Guess what this is!

    TORQUED455, Oct 28, 2009 ... 2 3
    Replies:
    54
    Views:
    4,371
    cubicinches
    Oct 31, 2009
  15. 19Skylark68 455

    OIL and ZINC

    19Skylark68 455, Jun 9, 2008 ... 2 3
    Replies:
    54
    Views:
    7,953
    DaWildcat
    Sep 22, 2008
  16. leadsled01

    starter keeps breaking..help

    leadsled01, May 17, 2008 ... 2 3
    Replies:
    54
    Views:
    8,725
    83Stage1
    May 30, 2008
  17. J'Linn Johnson-Wright

    Stage 2 455-4 on a 73 Buick Electra—— thoughts?

    J'Linn Johnson-Wright, Jun 13, 2020 ... 2 3
    Replies:
    55
    Views:
    2,254
    J'Linn Johnson-Wright
    Jul 13, 2020
  18. TWO72"s

    Oil pressure went to zero while driving

    TWO72"s, Aug 16, 2019 ... 2 3
    Replies:
    55
    Views:
    3,557
    bobc455
    Jan 8, 2020
  19. magic marouke

    installing Petronix question

    magic marouke, Sep 4, 2018 ... 2 3
    Replies:
    55
    Views:
    2,292
    magic marouke
    Oct 1, 2018
  20. knucklebusted

    Edelbrock Heads - Loose Rockers, Oiling Question?

    knucklebusted, Jul 13, 2015 ... 2 3
    Replies:
    55
    Views:
    6,037
    knucklebusted
    Sep 6, 2015
  21. LARRY70GS

    Ram Air/Cold Air Induction

    LARRY70GS, Nov 2, 2009 ... 2 3
    Replies:
    55
    Views:
    8,975
    Gary Bohannon
    Feb 24, 2013
  22. advanced24

    Cam Selection ?????????

    advanced24, Dec 6, 2009 ... 2 3
    Replies:
    55
    Views:
    13,206
    LARRY70GS
    May 20, 2012
  23. xgm guy

    Cooling Down the Boat

    xgm guy, Jul 11, 2011 ... 2 3
    Replies:
    55
    Views:
    4,965
    black70buick
    Jul 25, 2011
  24. babyblue 69

    I think I know the Answer but I don't want to hear it

    babyblue 69, Nov 30, 2010 ... 2 3
    Replies:
    55
    Views:
    6,430
    babyblue 69
    Dec 18, 2010
  25. 65skyHT

    11.87 @ 115.81 mph 1/4 mile

    65skyHT, Sep 5, 2009 ... 2 3
    Replies:
    55
    Views:
    11,284
    67 Post GS
    Nov 26, 2010
  26. GSX1

    Another Camshaft problem

    GSX1, Mar 14, 2010 ... 2 3
    Replies:
    55
    Views:
    4,956
    GSX1
    Apr 17, 2010
  27. PosiUnit

    What are you getting for fuel mileage from your 455

    PosiUnit, Aug 30, 2004 ... 2 3
    Replies:
    55
    Views:
    7,336
    The Old Guy
    Oct 2, 2004
  28. 84SilverbirdSE

    Problems breaking in motor, NEED HELP!

    84SilverbirdSE, Aug 22, 2004 ... 2 3
    Replies:
    55
    Views:
    2,506
    84SilverbirdSE
    Sep 1, 2004
  29. the bandit

    GSX vs GNX

    the bandit, May 13, 2003 ... 2 3
    Replies:
    55
    Views:
    7,045
    Driver2
    May 19, 2003
  30. Patsusedparts

    455 break in failure

    Patsusedparts, Feb 3, 2023 ... 2 3
    Replies:
    56
    Views:
    3,932
    Patsusedparts
    May 11, 2023
  31. 87GN_70GS

    Things were going great right up until they didnt...

    87GN_70GS, Jan 27, 2021 ... 2 3
    Replies:
    56
    Views:
    3,228
    87GN_70GS
    Feb 8, 2021
  32. stamper91

    455 or 454

    stamper91, Nov 12, 2017 ... 2 3
    Replies:
    56
    Views:
    4,607
    BQUICK
    Nov 17, 2017
  33. matt68gs400

    Pinging at high RPM

    matt68gs400, Jun 21, 2016 ... 2 3
    Replies:
    56
    Views:
    5,072
    Nicholas Sloop
    Jun 9, 2017
  34. duke350

    Surge at WOT

    duke350, Apr 15, 2017 ... 2 3
    Replies:
    56
    Views:
    4,026
    duke350
    May 16, 2017
  35. WarHawg75

    455 Vacuum/Idle

    WarHawg75, Feb 15, 2015 ... 2 3
    Replies:
    56
    Views:
    11,077
    WarHawg75
    May 6, 2015
  36. Timonator

    How much slack should a timing chain have ?

    Timonator, Apr 18, 2012 ... 2 3
    Replies:
    56
    Views:
    8,782
    Timonator
    Apr 22, 2012
  37. 19Skylark68 455

    Finally Raced It

    19Skylark68 455, Jun 27, 2010 ... 2 3
    Replies:
    56
    Views:
    5,156
    online170
    Jun 1, 2011
  38. Smartin

    Noses over at WOT when at operating temperature

    Smartin, Apr 11, 2010 ... 2 3
    Replies:
    56
    Views:
    5,727
    LARRY70GS
    Apr 25, 2010
  39. 68riviera430

    Revving up too high

    68riviera430, Nov 29, 2008 ... 2 3
    Replies:
    56
    Views:
    3,610
    GRIMM
    Dec 21, 2008
  40. SamboraRocks

    I'm about ready to give up here....

    SamboraRocks, Oct 17, 2007 ... 2 3
    Replies:
    56
    Views:
    4,022
    69GS400s
    Nov 27, 2007
  41. gusszgs

    Finally got to the track

    gusszgs, Oct 20, 2007 ... 2 3
    Replies:
    56
    Views:
    3,274
    killrbuick66455
    Oct 27, 2007
  42. wildcat4

    What was your very first Drag racing times

    wildcat4, Sep 30, 2005 ... 2 3
    Replies:
    56
    Views:
    2,295
    Dennis S
    Oct 19, 2005
  43. accelr8

    Rear Main Seal Install Question

    accelr8, Jun 26, 2023 ... 2 3
    Replies:
    57
    Views:
    1,749
    Tom Righter
    Jul 29, 2023
  44. Stan Johnson

    My 1970 455 GS Started running hot

    Stan Johnson, May 18, 2021 ... 2 3
    Replies:
    57
    Views:
    1,597
    FLGS400
    May 31, 2021
  45. dfish1247

    455 running too warm

    dfish1247, May 12, 2018 ... 2 3
    Replies:
    57
    Views:
    4,309
    dfish1247
    Jun 28, 2018
  46. Always Cool

    I want to convert my 73' 455 to a infamous 70' stage 1

    Always Cool, Apr 15, 2018 ... 2 3
    Replies:
    57
    Views:
    3,385
    johnriv67
    Apr 17, 2018
  47. Rossco Mason

    Is the TA Performance 308S the Best Solid Flat Tappet cam to use Street/Strip

    Rossco Mason, Apr 21, 2017 ... 2 3
    Replies:
    57
    Views:
    6,968
    NZ GS 400
    Feb 2, 2018
  48. techg8

    Vacuum for this 228/236 duration cam? 455

    techg8, Sep 17, 2015 ... 2 3
    Replies:
    57
    Views:
    8,890
    techg8
    Oct 21, 2017
  49. Bluzilla

    Main Bearing Feed Passage Oil Restrictions

    Bluzilla, Oct 16, 2016 ... 2 3
    Replies:
    57
    Views:
    5,562
    HotRodRivi
    Aug 6, 2017
  50. LARRY70GS

    3" Exhaust.

    LARRY70GS, Apr 28, 2014 ... 2 3
    Replies:
    57
    Views:
    9,410
    Mark Demko
    Nov 1, 2014
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