Street/strip 400/430/455

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

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  1. Brett Slater

    .038 Piston Size

    Brett Slater, Feb 6, 2020
    Replies:
    11
    Views:
    746
    1972Mach1
    Feb 7, 2020
  2. GranSportSedan

    .030-.038 overbore question

    GranSportSedan, Oct 11, 2009
    Replies:
    6
    Views:
    507
    GranSportSedan
    Oct 11, 2009
  3. NealWright

    .020” Offset Grind?

    NealWright, Feb 22, 2018
    Replies:
    18
    Views:
    2,386
    Schurkey
    Feb 25, 2018
  4. BUICKRAT

    .020 under crank and rods...issues?

    BUICKRAT, Mar 22, 2011
    Replies:
    6
    Views:
    1,161
    MN GS455
    Mar 24, 2011
  5. 65skyHT

    .009 excessive crank end clearance?

    65skyHT, Aug 22, 2008
    Replies:
    4
    Views:
    613
    65skyHT
    Aug 22, 2008
  6. Willie B

    ...460 Ford Rear Main Seal In A 455 Buick Motor...

    Willie B, Mar 5, 2013
    Replies:
    10
    Views:
    3,196
    BUQUICK
    Sep 22, 2022
  7. Jacka

    -72 Centurion (455) emissions equipments

    Jacka, Apr 29, 2013
    Replies:
    0
    Views:
    288
    Jacka
    Apr 29, 2013
  8. tsipi

    -69 riviera 430 shaking after rebuld

    tsipi, Aug 1, 2014
    Replies:
    17
    Views:
    2,029
    alec296
    Aug 10, 2014
  9. bgs455

    -6 line, how much horsepower will it suport?

    bgs455, Dec 15, 2007
    Replies:
    5
    Views:
    635
    C9
    Dec 16, 2007
  10. fastest430

    -6 Degrees ?

    fastest430, Mar 26, 2005
    Replies:
    4
    Views:
    567
    87GN_70GS
    Mar 28, 2005
  11. sailbrd

    -10 AN lines really necessary?

    sailbrd, Mar 12, 2009
    Replies:
    14
    Views:
    922
    sailbrd
    Mar 14, 2009
  12. CarolinaDrifter

    +60 overheating problems

    CarolinaDrifter, Oct 19, 2018
    Replies:
    14
    Views:
    988
    Stevem
    Nov 1, 2018
  13. J.Staged

    *455"s* how much HP with small valve heads

    J.Staged, Jan 15, 2011
    Replies:
    19
    Views:
    2,655
    Topless64-455
    Feb 2, 2011
  14. David Butts

    ******* front cover

    David Butts, Dec 13, 2009
    Replies:
    17
    Views:
    1,356
    Michael Evans
    Dec 13, 2009
  15. midnightcruiser

    (Yes again) Cam help needed

    midnightcruiser, Nov 11, 2004
    Replies:
    1
    Views:
    474
    87GN_70GS
    Nov 11, 2004
  16. srb

    (TA) Pushrods wanted

    srb, Apr 29, 2020 ... 2
    Replies:
    20
    Views:
    900
    70 GMuscle
    May 21, 2020
  17. major_mitt

    (New?) Pertronix ignitor III plug n play distributors

    major_mitt, Jun 14, 2010 ... 2
    Replies:
    22
    Views:
    4,338
    TABuickMike
    Jun 26, 2010
  18. Rivi75th

    '78 350 Yanked and '67 430 Built~ Build Pics

    Rivi75th, Apr 23, 2010
    Replies:
    3
    Views:
    523
    Rivi75th
    Apr 24, 2010
  19. Rodney Byrd

    '77-90 "B" Full-size 455 Swap?

    Rodney Byrd, Sep 2, 2009
    Replies:
    0
    Views:
    332
    Rodney Byrd
    Sep 2, 2009
  20. TheWildCat

    '76 455? Horsepower?

    TheWildCat, May 24, 2010
    Replies:
    14
    Views:
    1,925
    speedtigger
    May 25, 2010
  21. slow riviera

    '76 455 Riv

    slow riviera, Nov 13, 2004
    Replies:
    1
    Views:
    417
    KevinsBuick
    Nov 13, 2004
  22. Rudebaker

    '76 455 for fuel economy?

    Rudebaker, Apr 28, 2008 ... 2
    Replies:
    38
    Views:
    9,697
    Vern
    Jul 18, 2008
  23. NotRyan

    '75 Riviera Cooling Issues?

    NotRyan, Apr 9, 2022 ... 2
    Replies:
    23
    Views:
    980
    Stevem
    Jul 6, 2022
  24. Snowbound

    '74 Riv GS question

    Snowbound, Jun 3, 2006
    Replies:
    1
    Views:
    528
    tommieboy
    Jun 3, 2006
  25. NealWright

    '74 455 -- swap pistons or heads

    NealWright, Sep 29, 2017
    Replies:
    8
    Views:
    514
    Bens99gtp
    Sep 30, 2017
  26. GlenL

    '73/74 455 heads - toss, fix or use as is?

    GlenL, Oct 27, 2005
    Replies:
    7
    Views:
    734
    street rep
    Oct 31, 2005
  27. 1965GSDOUG

    '73 Heads on a '67 430?

    1965GSDOUG, Oct 7, 2020
    Replies:
    14
    Views:
    577
    Bens99gtp
    Nov 1, 2020
  28. koowip

    '73 455 to non-egr?

    koowip, Dec 22, 2004
    Replies:
    3
    Views:
    516
    MandMautomotive
    Dec 22, 2004
  29. sprat

    '73 455 questions

    sprat, Apr 29, 2017
    Replies:
    5
    Views:
    582
    Bens99gtp
    May 1, 2017
  30. cpratt1999

    '73 455 Intake Question from New User

    cpratt1999, May 19, 2011
    Replies:
    8
    Views:
    723
    my69buford
    May 22, 2011
  31. timmy455

    '73 455 Heads on a '76 455 bottom end

    timmy455, Dec 12, 2014
    Replies:
    8
    Views:
    2,119
    timmy455
    Jan 9, 2015
  32. StfSocal

    '73 455 heads AIR delete

    StfSocal, Jun 10, 2019
    Replies:
    12
    Views:
    1,105
    StfSocal
    Jun 21, 2019
  33. Geeky1

    '73 455 Choke?

    Geeky1, Jun 13, 2007
    Replies:
    5
    Views:
    808
    Geeky1
    Jun 13, 2007
  34. 70sgeek

    '72 Skylark-What mods needed to swap 350/th350 for a 455?

    70sgeek, Nov 17, 2005
    Replies:
    2
    Views:
    750
    Russ Waters
    Nov 19, 2005
  35. 70sgeek

    '72 skylark 350/455 radiators the same?

    70sgeek, Aug 18, 2007
    Replies:
    2
    Views:
    596
    copperheadgs1
    Aug 19, 2007
  36. ddudeck

    '72 Riviera 455 GS Engine & Rear Glass

    ddudeck, Nov 11, 2010
    Replies:
    3
    Views:
    775
    LARRY70GS
    Nov 17, 2010
  37. Zog

    '72 Riv - power steering fluid

    Zog, Mar 21, 2008
    Replies:
    1
    Views:
    592
    LARRY70GS
    Mar 22, 2008
  38. Zog

    '72 intake on a '70 engine

    Zog, Jan 20, 2007
    Replies:
    2
    Views:
    1,474
    Zog
    Jan 21, 2007
  39. the bandit

    '72 455 stock cam specs

    the bandit, Nov 4, 2004
    Replies:
    1
    Views:
    3,278
    Buickus Rex
    Nov 5, 2004
  40. Hawaii69GS

    '72 455 into a '86 El Camino

    Hawaii69GS, Mar 27, 2008
    Replies:
    10
    Views:
    1,281
    staged70
    Mar 28, 2008
  41. SamboraRocks

    '72 455 Heads on '75 455 Block, will it work?

    SamboraRocks, Jul 24, 2006
    Replies:
    2
    Views:
    724
    SamboraRocks
    Jul 24, 2006
  42. jskorz

    '72 455 GS street build-up

    jskorz, Aug 17, 2008
    Replies:
    3
    Views:
    914
    jskorz
    Aug 19, 2008
  43. tubecatgs

    '72 455 build, compatibility and clearances

    tubecatgs, Feb 6, 2024
    Replies:
    16
    Views:
    543
    knucklebusted
    Feb 10, 2024
  44. atarizona

    '72 455 A.I.R. Pump Noise

    atarizona, Sep 21, 2011
    Replies:
    4
    Views:
    624
    C.Rob
    Sep 24, 2011
  45. Steve Craig

    '71 TR rating?

    Steve Craig, Oct 17, 2007
    Replies:
    0
    Views:
    584
    Steve Craig
    Oct 17, 2007
  46. mr_riviera

    '71 Riviera - Can't start the car with Ballast Resistor

    mr_riviera, Oct 26, 2012
    Replies:
    4
    Views:
    457
    pmuller9
    Oct 26, 2012
  47. Steve Craig

    '71 Riv. GS 455 engine

    Steve Craig, Jun 21, 2009
    Replies:
    4
    Views:
    593
    pooods
    Jun 21, 2009
  48. Dave70GS

    '71 heads on my '70 455

    Dave70GS, Nov 4, 2006
    Replies:
    1
    Views:
    425
    WE1
    Nov 4, 2006
  49. mnelson007

    '71 GS 455 Motor Mount Location

    mnelson007, Sep 18, 2008
    Replies:
    5
    Views:
    2,573
    otter
    Apr 25, 2009
  50. Harley Biggers

    '71 Buick GS Steering Upgrades

    Harley Biggers, Oct 2, 2020 ... 2
    Replies:
    28
    Views:
    1,638
    LARRY70GS
    Oct 8, 2020
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