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Performance

Engine mods, Chips, Filters, etc.

Sponsored By: Black Bear Performance
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  1.    
  2. JennaBear

    Lower thermostats, really needed?

    JennaBear, Feb 26, 2013 ... 2 3
    Replies:
    26
    Views:
    13,322
    BlackBearPerf
    Mar 30, 2020
  3. wheatswake

    the real story on spark plug wires

    wheatswake, May 8, 2010 ... 3 4 5
    Replies:
    43
    Views:
    56,279
    avalonandl
    Jul 9, 2019
  4.    
  5. swathdiver

    Useless Information

    swathdiver, Oct 10, 2017 ... 91 92 93
    Replies:
    921
    Views:
    50,101
    avalonandl
    Sep 26, 2020 at 12:12 PM
  6. Hoganator

    Best weld in muffler for 5.3

    Hoganator, Aug 21, 2020 ... 2
    Replies:
    18
    Views:
    937
    Drok
    Sep 21, 2020
  7. 08z71bgm

    6.2 cam ideas

    08z71bgm, Sep 6, 2020 ... 2
    Replies:
    12
    Views:
    478
    08z71bgm
    Sep 20, 2020
  8. ATLPPV

    Escalade OEM exhaust on 5.3L

    ATLPPV, Sep 15, 2020 ... 2
    Replies:
    10
    Views:
    458
    iamdub
    Sep 16, 2020
  9. ls1frc

    TVS or Whipple on 5.3?

    ls1frc, Jul 30, 2020 ... 2 3 4
    Replies:
    31
    Views:
    1,721
    kbit
    Sep 7, 2020
  10. 07hoeCHEVY

    #8 spark plug

    07hoeCHEVY, May 16, 2019 ... 4 5 6
    Replies:
    52
    Views:
    5,883
    Just Fishing
    Sep 5, 2020
  11. JDopirak

    Went to the track

    JDopirak, Sep 11, 2019 ... 4 5 6
    Replies:
    59
    Views:
    4,992
    DRKN57
    Aug 22, 2020
  12. Z0lan0

    What tuner is better bang for the buck?

    Z0lan0, Mar 22, 2019
    Replies:
    4
    Views:
    2,170
    Jester9456
    Aug 15, 2020
  13. Jutt

    Torque Converter

    Jutt, Aug 10, 2020
    Replies:
    2
    Views:
    207
    1BADI5
    Aug 10, 2020
  14. Klewis

    High Temps 2011 Yukon XL Denali

    Klewis, Apr 15, 2020 ... 3 4 5
    Replies:
    45
    Views:
    2,822
    gooffeyguy
    Aug 8, 2020
  15. JDopirak

    Walk around after cam and heads

    JDopirak, Apr 12, 2020 ... 4 5 6
    Replies:
    53
    Views:
    3,677
    JDopirak
    Jul 30, 2020
  16. the_trev

    Slp part number for '13 denali 6.2l

    the_trev, Jul 28, 2020
    Replies:
    4
    Views:
    240
    the_trev
    Jul 29, 2020
  17. TBRUCE312

    Best quiet performance muffler?

    TBRUCE312, Jul 26, 2020 ... 2
    Replies:
    13
    Views:
    784
    avalonandl
    Jul 28, 2020
  18. 2010yukondenali

    2010 Yukon Denali 6.2 exhaust

    2010yukondenali, Mar 2, 2020 ... 2 3
    Replies:
    20
    Views:
    2,320
    DRKN57
    Jul 26, 2020
  19. ls1frc

    Corsa Touring connected to catted Kooks

    ls1frc, Jul 15, 2020
    Replies:
    4
    Views:
    332
    ls1frc
    Jul 24, 2020
  20. itsbo1313

    Long term owners of BlackBear Autocal tunes.

    itsbo1313, Jan 18, 2020 ... 4 5 6
    Replies:
    51
    Views:
    5,461
    Rocket Man
    Jul 22, 2020
  21. 91RS

    Headers on a 6.2L with Stock Muffler/Cat-Back?

    91RS, Mar 27, 2019 ... 9 10 11
    Replies:
    109
    Views:
    13,022
    DRKN57
    Jul 17, 2020
  22. ls1frc

    Does 2015+ catback fit this generation?

    ls1frc, Jul 4, 2020
    Replies:
    8
    Views:
    367
    avalonandl
    Jul 9, 2020
  23. 09_4WD_YUKON

    Performance tune

    09_4WD_YUKON, May 14, 2020
    Replies:
    1
    Views:
    645
    08z71bgm
    Jul 4, 2020
  24. LanceD

    E85

    LanceD, Feb 5, 2018 ... 17 18 19
    Replies:
    186
    Views:
    20,985
    gooffeyguy
    Jul 2, 2020
  25. SixTwoTahoe

    Camshaft Bearings

    SixTwoTahoe, Jun 17, 2020 ... 2
    Replies:
    16
    Views:
    759
    91RS
    Jun 24, 2020
  26. cmatt

    Swapping intake manifold & throttle body on a 5.3

    cmatt, Jun 20, 2020
    Replies:
    4
    Views:
    510
    iamdub
    Jun 21, 2020
  27. JimHanus

    2013 5.3L with Hypertech Tuner For Towing?

    JimHanus, Jun 18, 2020
    Replies:
    1
    Views:
    318
    avalonandl
    Jun 19, 2020
  28. Jolly Roger

    archoil...........Anyone try it?

    Jolly Roger, Jun 17, 2020
    Replies:
    3
    Views:
    203
    79jasper
    Jun 17, 2020
  29. pt1965

    AFM DISABLE not available?

    pt1965, Jun 8, 2020
    Replies:
    7
    Views:
    896
    ftwflh
    Jun 15, 2020
  30. drjay2012

    Airaid Cold Air Intake

    drjay2012, Jun 9, 2020
    Replies:
    7
    Views:
    792
    Peter Tremonti
    Jun 10, 2020
  31. BPopilek

    2008 Yukon with LQ4 Engine Mod Questions

    BPopilek, Feb 22, 2017
    Replies:
    1
    Views:
    720
    SuperDave
    Jun 8, 2020
  32. Lsnoob13

    Upgraded L92 injectors

    Lsnoob13, May 4, 2020 ... 2
    Replies:
    12
    Views:
    1,056
    Chert_Detective
    May 27, 2020
  33. avalonandl

    Hypertech Tuner for 6.2

    avalonandl, Apr 26, 2020
    Replies:
    6
    Views:
    623
    Drok
    May 26, 2020
  34. Lsnoob13

    Dumb exhaust cutout question

    Lsnoob13, May 7, 2020 ... 2 3
    Replies:
    28
    Views:
    1,480
    Lsnoob13
    May 16, 2020
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