Street/strip 400/430/455

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

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  1. RKHiPerformance

    '67 Electra Q-Jet Questions

    RKHiPerformance, May 8, 2006
    Replies:
    2
    Views:
    623
    mlh48
    May 8, 2006
  2. gsman

    '67 GS 400 Heater Delete Panel

    gsman, Sep 27, 2012
    Replies:
    4
    Views:
    492
    67GSFun
    Sep 28, 2012
  3. gsman

    '67 GS 400 Numbers Matching

    gsman, Sep 3, 2011
    Replies:
    3
    Views:
    1,637
    RG67BEAST
    Sep 6, 2011
  4. sf67gs

    '67 GS400 with factory 430.

    sf67gs, Jul 10, 2008
    Replies:
    2
    Views:
    944
    dcm422
    Jul 10, 2008
  5. danelectro7

    '67 Riviera overheating

    danelectro7, Sep 2, 2003
    Replies:
    16
    Views:
    1,302
    danelectro7
    Sep 6, 2003
  6. Couch

    '67 Upper Rad. Hose

    Couch, Jun 28, 2006
    Replies:
    4
    Views:
    527
    66skylarkpost
    Jun 28, 2006
  7. 68 Wildcat

    '68 Wildcat 430 Broken dipstick tube

    68 Wildcat, Mar 30, 2018
    Replies:
    13
    Views:
    792
    68 Wildcat
    Mar 31, 2018
  8. Mike Trom

    '68 400 Water Pump Source?

    Mike Trom, Jul 25, 2007
    Replies:
    3
    Views:
    614
    Mike Trom
    Jul 25, 2007
  9. skitzofrenic66

    '68 430 big ports on '73+ 455?

    skitzofrenic66, Mar 22, 2010
    Replies:
    10
    Views:
    966
    DaWildcat
    Mar 26, 2010
  10. Gfsrule

    '68 455 rivi

    Gfsrule, Jun 6, 2013
    Replies:
    9
    Views:
    2,033
    Gfsrule
    Jun 10, 2013
  11. jbeary

    '68 GS 400 - Front Cover/Oil Pan bolt question

    jbeary, Apr 4, 2023
    Replies:
    3
    Views:
    306
    jbeary
    Apr 10, 2023
  12. jbeary

    '68 GS 400 - Oil pan stud bolts

    jbeary, Nov 22, 2022 ... 2
    Replies:
    23
    Views:
    1,157
    CJay
    Apr 7, 2023
  13. born2X

    '69 430 valve train oiling problem

    born2X, Feb 17, 2013 ... 2
    Replies:
    25
    Views:
    1,542
    born2X
    Mar 3, 2013
  14. GSMAG

    '69 400 intake on a '76 455

    GSMAG, Jun 22, 2003
    Replies:
    3
    Views:
    880
    GSMAG
    Jun 23, 2003
  15. Wayne Stevens

    '69 400 water pump

    Wayne Stevens, Feb 20, 2011
    Replies:
    7
    Views:
    784
    Wayne Stevens
    Feb 26, 2011
  16. fadec

    '69 430 choke parts?

    fadec, May 22, 2020
    Replies:
    6
    Views:
    448
    1969RIVI
    May 26, 2020
  17. Eric Schmelzer

    '69 430 head vs. '73 455 head

    Eric Schmelzer, May 16, 2003
    Replies:
    1
    Views:
    1,415
    Rivman73
    May 17, 2003
  18. Mark G

    '69 Rockers 350 vs 430

    Mark G, Mar 4, 2017
    Replies:
    5
    Views:
    614
    DaWildcat
    Mar 6, 2017
  19. deftoi

    '69 Wildcat exhaust!

    deftoi, Dec 2, 2011
    Replies:
    6
    Views:
    835
    william.ali.kay
    Dec 11, 2011
  20. 69GS400s

    '70 455 block with '69 430 heads/valvetrain - what's needed ?

    69GS400s, Dec 3, 2009
    Replies:
    12
    Views:
    1,047
    69GS400s
    Dec 4, 2009
  21. max

    '70 455 dead after 500 miles - help!

    max, Nov 28, 2006
    Replies:
    16
    Views:
    2,312
    GRIMM
    Dec 3, 2006
  22. buick455V8

    '70 455 oil weight recommendations

    buick455V8, Jun 26, 2004
    Replies:
    6
    Views:
    5,202
    83regal455
    Jun 29, 2004
  23. Sven

    '70 455 questions, trany & car options

    Sven, Dec 14, 2003
    Replies:
    3
    Views:
    972
    LARRY70GS
    Dec 15, 2003
  24. eganddg

    '70 castings ported stage one converted iron head value

    eganddg, Jul 20, 2013
    Replies:
    4
    Views:
    597
    Nicholas Sloop
    Jul 23, 2013
  25. russell

    '71 455 or '73 455

    russell, Aug 13, 2010
    Replies:
    3
    Views:
    1,016
    RG67BEAST
    Aug 13, 2010
  26. hollowpoint

    '71 8.5 rear fitting a '67

    hollowpoint, May 27, 2004
    Replies:
    1
    Views:
    437
    lcac_man
    May 27, 2004
  27. Harley Biggers

    '71 Buick GS Steering Upgrades

    Harley Biggers, Oct 2, 2020 ... 2
    Replies:
    28
    Views:
    1,615
    LARRY70GS
    Oct 8, 2020
  28. mnelson007

    '71 GS 455 Motor Mount Location

    mnelson007, Sep 18, 2008
    Replies:
    5
    Views:
    2,573
    otter
    Apr 25, 2009
  29. Dave70GS

    '71 heads on my '70 455

    Dave70GS, Nov 4, 2006
    Replies:
    1
    Views:
    425
    WE1
    Nov 4, 2006
  30. Steve Craig

    '71 Riv. GS 455 engine

    Steve Craig, Jun 21, 2009
    Replies:
    4
    Views:
    593
    pooods
    Jun 21, 2009
  31. 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
  32. Steve Craig

    '71 TR rating?

    Steve Craig, Oct 17, 2007
    Replies:
    0
    Views:
    583
    Steve Craig
    Oct 17, 2007
  33. atarizona

    '72 455 A.I.R. Pump Noise

    atarizona, Sep 21, 2011
    Replies:
    4
    Views:
    624
    C.Rob
    Sep 24, 2011
  34. tubecatgs

    '72 455 build, compatibility and clearances

    tubecatgs, Feb 6, 2024
    Replies:
    16
    Views:
    534
    knucklebusted
    Feb 10, 2024
  35. jskorz

    '72 455 GS street build-up

    jskorz, Aug 17, 2008
    Replies:
    3
    Views:
    914
    jskorz
    Aug 19, 2008
  36. SamboraRocks

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

    SamboraRocks, Jul 24, 2006
    Replies:
    2
    Views:
    723
    SamboraRocks
    Jul 24, 2006
  37. Hawaii69GS

    '72 455 into a '86 El Camino

    Hawaii69GS, Mar 27, 2008
    Replies:
    10
    Views:
    1,280
    staged70
    Mar 28, 2008
  38. the bandit

    '72 455 stock cam specs

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

    '72 intake on a '70 engine

    Zog, Jan 20, 2007
    Replies:
    2
    Views:
    1,474
    Zog
    Jan 21, 2007
  40. Zog

    '72 Riv - power steering fluid

    Zog, Mar 21, 2008
    Replies:
    1
    Views:
    591
    LARRY70GS
    Mar 22, 2008
  41. ddudeck

    '72 Riviera 455 GS Engine & Rear Glass

    ddudeck, Nov 11, 2010
    Replies:
    3
    Views:
    775
    LARRY70GS
    Nov 17, 2010
  42. 70sgeek

    '72 skylark 350/455 radiators the same?

    70sgeek, Aug 18, 2007
    Replies:
    2
    Views:
    596
    copperheadgs1
    Aug 19, 2007
  43. 70sgeek

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

    70sgeek, Nov 17, 2005
    Replies:
    2
    Views:
    749
    Russ Waters
    Nov 19, 2005
  44. Geeky1

    '73 455 Choke?

    Geeky1, Jun 13, 2007
    Replies:
    5
    Views:
    807
    Geeky1
    Jun 13, 2007
  45. StfSocal

    '73 455 heads AIR delete

    StfSocal, Jun 10, 2019
    Replies:
    12
    Views:
    1,102
    StfSocal
    Jun 21, 2019
  46. timmy455

    '73 455 Heads on a '76 455 bottom end

    timmy455, Dec 12, 2014
    Replies:
    8
    Views:
    2,119
    timmy455
    Jan 9, 2015
  47. cpratt1999

    '73 455 Intake Question from New User

    cpratt1999, May 19, 2011
    Replies:
    8
    Views:
    723
    my69buford
    May 22, 2011
  48. sprat

    '73 455 questions

    sprat, Apr 29, 2017
    Replies:
    5
    Views:
    581
    Bens99gtp
    May 1, 2017
  49. koowip

    '73 455 to non-egr?

    koowip, Dec 22, 2004
    Replies:
    3
    Views:
    516
    MandMautomotive
    Dec 22, 2004
  50. 1965GSDOUG

    '73 Heads on a '67 430?

    1965GSDOUG, Oct 7, 2020
    Replies:
    14
    Views:
    576
    Bens99gtp
    Nov 1, 2020
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