Street/strip 400/430/455

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

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  1. Note 1970

    Compression estimate

    Note 1970, Jul 26, 2023
    Replies:
    10
    Views:
    367
    Mark Demko
    Jul 27, 2023
  2. accelr8

    Does my cylinder have a crack?

    accelr8, Jul 18, 2023 ... 2
    Replies:
    23
    Views:
    835
    Jim Weise
    Jul 26, 2023
  3. StKing

    Correct head gaskets?

    StKing, Jul 21, 2023
    Replies:
    4
    Views:
    308
    Mark Demko
    Jul 26, 2023
  4. 05snopro440

    455 - No oil at driver's side head

    05snopro440, Jul 21, 2023
    Replies:
    14
    Views:
    824
    05snopro440
    Jul 25, 2023
  5. RoseBud68

    Funny deposit in my radiator

    RoseBud68, Jun 6, 2023 ... 2
    Replies:
    23
    Views:
    888
    Mark Demko
    Jul 25, 2023
  6. Guido

    Oil pressure issue 1967 430

    Guido, Jul 22, 2023 ... 2
    Replies:
    21
    Views:
    740
    Max Damage
    Jul 24, 2023
  7. 87GN_70GS

    Oil pan gaskets

    87GN_70GS, Jul 24, 2023
    Replies:
    3
    Views:
    284
    Tom Righter
    Jul 24, 2023
  8. rkammer

    My New TSP Sleeper 482 Stroker Motor

    rkammer, Apr 23, 2022 ... 5 6 7
    Replies:
    131
    Views:
    8,282
    TrunkMonkey
    Jul 22, 2023
  9. rkammer

    Some troubleshooting ideas please.

    rkammer, Jul 8, 2023 ... 3 4 5
    Replies:
    95
    Views:
    2,973
    hwprouty
    Jul 17, 2023
  10. Jerry Burzinski

    Valve Train Noise

    Jerry Burzinski, Jul 9, 2023
    Replies:
    4
    Views:
    384
    Jerry Burzinski
    Jul 16, 2023
  11. Canadian GS 350

    Anyone using studs for their stage 2 headers on TA SE heads?

    Canadian GS 350, Jul 14, 2023
    Replies:
    4
    Views:
    307
    TrunkMonkey
    Jul 15, 2023
  12. StfSocal

    Timing cover question

    StfSocal, Jul 13, 2023 ... 2
    Replies:
    22
    Views:
    815
    Mark Demko
    Jul 14, 2023
  13. Frankie70GS

    Aluminum Rods

    Frankie70GS, Jun 22, 2023
    Replies:
    14
    Views:
    790
    Frankie70GS
    Jul 11, 2023
  14. Briz

    Wix Filter Issues?

    Briz, Apr 23, 2023 ... 3 4 5
    Replies:
    80
    Views:
    4,711
    john.schaefer77
    Jul 11, 2023
  15. Canadian GS 350

    455 block year id

    Canadian GS 350, Jun 13, 2023
    Replies:
    13
    Views:
    548
    Canadian GS 350
    Jul 10, 2023
  16. moguy79

    455 finally on the dyno!

    moguy79, Jul 6, 2023
    Replies:
    17
    Views:
    904
    nickwhite
    Jul 8, 2023
  17. StKing

    Valve Spring Broke at the end of Power Tour - Need to get it home, what are my options?

    StKing, Jun 18, 2023
    Replies:
    18
    Views:
    801
    436'd Skylark
    Jul 7, 2023
  18. DJJISA

    1968 430 will not start without spray of ether

    DJJISA, Jul 4, 2023
    Replies:
    8
    Views:
    297
    Stevem
    Jul 5, 2023
  19. 87GN_70GS

    Setting roller cam end play - in a bind

    87GN_70GS, Jun 26, 2023
    Replies:
    18
    Views:
    684
    Mark Demko
    Jun 30, 2023
  20. accelr8

    Harmonic Balancer Issue?

    accelr8, Jun 25, 2023
    Replies:
    12
    Views:
    681
    Schurkey
    Jun 28, 2023
  21. accelr8

    How to account for lash when calculating DCR

    accelr8, Jun 28, 2023
    Replies:
    2
    Views:
    244
    accelr8
    Jun 28, 2023
  22. thebuick

    mini starter

    thebuick, Sep 10, 2019 ... 2 3
    Replies:
    49
    Views:
    5,738
    1968_GS400
    Jun 28, 2023
  23. Electra Sweden

    Acceptable oil pressure buildup delay

    Electra Sweden, Jun 25, 2023
    Replies:
    5
    Views:
    352
    CJay
    Jun 26, 2023
  24. accelr8

    Questions on Reusing Cam and Lifters

    accelr8, May 5, 2023
    Replies:
    9
    Views:
    503
    knucklebusted
    Jun 25, 2023
  25. dengru94

    Best header/exhaust combo for a 455?

    dengru94, Jun 16, 2023 ... 2
    Replies:
    20
    Views:
    944
    DaWildcat
    Jun 25, 2023
  26. Bigpig455

    Plug Insulator Readings

    Bigpig455, Jun 22, 2023
    Replies:
    2
    Views:
    209
    Bigpig455
    Jun 22, 2023
  27. avmechanic

    Best fitting big block headers for 64'-67' Skylarks?

    avmechanic, Mar 19, 2023
    Replies:
    13
    Views:
    842
    avmechanic
    Jun 22, 2023
  28. Canadian GS 350

    Coldcase radiator

    Canadian GS 350, Feb 10, 2021
    Replies:
    14
    Views:
    1,165
    Bigpig455
    Jun 12, 2023
  29. dengru94

    What cam is this?

    dengru94, Jun 10, 2023
    Replies:
    13
    Views:
    622
    Briz
    Jun 12, 2023
  30. srb

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

    srb, Oct 30, 2022 ... 2 3 4
    Replies:
    65
    Views:
    2,550
    srb
    Jun 12, 2023
  31. Ray carlson jr

    MT drag radial r!!!

    Ray carlson jr, Jun 10, 2023
    Replies:
    6
    Views:
    403
    Gary Bohannon
    Jun 11, 2023
  32. Quick Buick

    RobbMC fuel pump?

    Quick Buick, May 20, 2023 ... 2
    Replies:
    23
    Views:
    1,093
    73 Stage-1
    Jun 10, 2023
  33. got_tork

    Cam Card Sticky

    got_tork, Jun 4, 2023
    Replies:
    7
    Views:
    370
    breakinbuick11
    Jun 7, 2023
  34. Frankie70GS

    Timing cover issue

    Frankie70GS, Jun 6, 2023
    Replies:
    5
    Views:
    249
    Frankie70GS
    Jun 6, 2023
  35. VET

    Can anybody identify this piston and it's compression ratio

    VET, May 29, 2023
    Replies:
    14
    Views:
    798
    VET
    Jun 5, 2023
  36. TommyV

    How to tell what waterpump for 455?

    TommyV, Jun 4, 2023
    Replies:
    3
    Views:
    299
    LARRY70GS
    Jun 5, 2023
  37. Pro69GS400

    MR Gasket Head Gaskets for 400-430 engines under $11 Holley.com

    Pro69GS400, May 25, 2023
    Replies:
    15
    Views:
    735
    BUQUICK
    Jun 5, 2023
  38. Electra Sweden

    Water pump questions

    Electra Sweden, Mar 6, 2023 ... 2 3
    Replies:
    54
    Views:
    2,295
    1968_GS400
    Jun 4, 2023
  39. RWC

    Complete loss of power

    RWC, Apr 16, 2023 ... 2
    Replies:
    29
    Views:
    1,056
    RWC
    Jun 4, 2023
  40. rjay

    cam card for the TA 290 94H

    rjay, Jun 3, 2023
    Replies:
    3
    Views:
    202
    ES72SKYLARK
    Jun 4, 2023
  41. Ray carlson jr

    300’ drags (275vs295)

    Ray carlson jr, May 31, 2023
    Replies:
    12
    Views:
    400
    No Lift
    Jun 4, 2023
  42. breakinbuick11

    Running a filled block on the street

    breakinbuick11, May 29, 2023 ... 2
    Replies:
    24
    Views:
    1,034
    No Lift
    Jun 4, 2023
  43. oldschool85

    Gessler or any Iron Head Flow Data

    oldschool85, Jun 2, 2023
    Replies:
    3
    Views:
    457
    Stevem
    Jun 3, 2023
  44. STREETFIGHTER50

    Can I see your electric fan set ups?

    STREETFIGHTER50, Apr 27, 2023 ... 2 3
    Replies:
    42
    Views:
    1,748
    Bluzilla
    May 31, 2023
  45. 50ramzee

    455 Buick fuel issues

    50ramzee, May 30, 2023
    Replies:
    8
    Views:
    318
    50ramzee
    May 30, 2023
  46. 87GN_70GS

    Test of dedicated timing chain and distributor gear oiler - video

    87GN_70GS, May 29, 2023
    Replies:
    3
    Views:
    229
    Mark Demko
    May 30, 2023
  47. skylark7deuce

    Help Needed

    skylark7deuce, May 28, 2023
    Replies:
    11
    Views:
    349
    skylark7deuce
    May 29, 2023
  48. 12lives

    starter bolts?

    12lives, Oct 9, 2017
    Replies:
    12
    Views:
    1,879
    12lives
    May 28, 2023
  49. VET

    What makes the 1970 Buick 455 make so much Torque?

    VET, May 24, 2023 ... 2
    Replies:
    23
    Views:
    2,092
    VET
    May 28, 2023
  50. stickman61

    Cam bearing tool

    stickman61, May 27, 2023
    Replies:
    9
    Views:
    344
    Jim Weise
    May 28, 2023
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