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Performance Engine Tuning

A forum dedicated to intensive and experienced engine and computer modification topics.
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1,379 topics in this forum

  1. Wideband A/F for newbies

    By SuburbanDon,
    • 2 replies
    • 65 views

  3. Range AFM Disable - Anyone tried it? 1 2

    By Tony1959,   
    • 23 replies
    • 55.6k views

  4. 07 Silverado 5.3 4×4. Shifting points change manually without a tuner.

    By terry beavers,
    • 0 replies
    • 176 views

  5. AFM Disable Damage 1 2

    By L83_Z71,   
    • 19 replies
    • 65.8k views

  6. 1995 Chevrolet 454 starts then stalls

    By J.c.,
    • 0 replies
    • 563 views

  7. O 2 sensor bank 1 sensor 1 location on 2003 sierra

    By ForrestMelissa,
    • 2 replies
    • 510 views

  8. 2019 and up dyno tune

    By Black02Silverado,
    • 0 replies
    • 728 views

  9. Questions regarding the OBDLink MX+

    By ulm4lyf,   
    • 1 reply
    • 2.6k views

  10. 2015 GMC power off while driving, alert on check stabiltrack

    By Dominguez,
    • 0 replies
    • 592 views

  11. What's the Best speed limit remover 1 2

    By salem185,
    • 19 replies
    • 21.8k views

  12. DTC Remover

    By Corr HexEditor,   
    • 0 replies
    • 742 views

  13. My truck is slow as ******

    By Brian67,
    • 0 replies
    • 969 views

  14. Tuners in Central Texas

    By Leo Opalewski,
    • 0 replies
    • 718 views

  15. 1998 6.5 diesel express van/buss scan tune tool

    By ScubaCarib,
    • 0 replies
    • 1.1k views

  16. Performance chip and AFM disable

    By Jamison,
    • 0 replies
    • 821 views

  17. V4 mode, make it activate more often?

    By Dresari702,   
    • 11 replies
    • 6.3k views

  18. 04 silverado 5.3L

    By Mike Rose,
    • 0 replies
    • 1.1k views

  19. Chevy Silverado 1500 6.2L Exhaust

    By vmessina1837,   
    • 1 reply
    • 2k views

  20. REDUCED ENGINE POWER Can you Delete (Remove Code) from ECU/ECM

    By Cookie_Monster_1976,
    • 0 replies
    • 2.7k views

  21. Misfire problems

    By Matt Watkins,
    • 4 replies
    • 1.2k views

  22. TBI to carb conversion 1995 sonoma v6 4.3l

    By Jweave,   
    • 0 replies
    • 1.6k views

  23. Recommended engine oil for L83 supercharged

    By Louie.c,
    • 5 replies
    • 4.5k views

  24. Magnuson Radix Tahoe

    By Valsport,
    • 1 reply
    • 1.3k views

  25. YOU vs the EPA

    By flyingfool,
    • 11 replies
    • 1.6k views

  26. 6.0 \ 4l80e swap tuning issues

    By fuzzydash,
    • 0 replies
    • 2.3k views


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