Results 1 to 9 of 9

Thread: help i cant remove speed limiter

  1. #1
    Member
    Join Date
    Jul 2005
    Posts
    80

    Default help i cant remove speed limiter

    so i was trying to remove the speed limiter from a 2001 yukon 8.1L today..

    so i open my flashscan i go to SPEEDOMETER and set my ETC Govern Speed Threshold to 256MPH then go for a drive and BAM dam speed limiter still there??

    is there anything else i need to do

    thanks guys

  2. #2
    Member
    Join Date
    Jul 2005
    Posts
    80

    Default

    help me out here guys ...

    what i did was....
    under speedometer i put 256 in the ETC Govern Speed Threshold stock tune when i hit 98MPH it felt like truck was out of breath with out feeling anything ...

    but now after the above tune there is this really hard (fall on your face cutoff thud) feeling when i hit the limiter as if someone hit my truck from the back

    so it must be something else in a different cal screen what am i missing here just cant figure it out..

  3. #3
    Lifetime Member SinisterSS's Avatar
    Join Date
    Sep 2003
    Posts
    409

    Default

    Check the following:

    {B3303}
    {B5401}
    {H0108}
    2009 Z06 LS7 / 2008 Sierra Denali AWD L92 6L80E
    Flashing control modules since 2001. 8-)
    Who needs a MAP sensor on a supercharged LS6 anyway.


  4. #4
    Member
    Join Date
    Jul 2005
    Posts
    80

    Default

    nop that didnt work i moved all the rev limiters to 8000 RPM and speed limiter to 200MPH

    speed limiter used to kickin at 98MPH very smooth you dont feel anything....but after the above changes speed limiter kicked in at 106MPH with a strong almost feels like you hit something...

    did i miss anything else

    thanks.

  5. #5
    Lifetime Member SinisterSS's Avatar
    Join Date
    Sep 2003
    Posts
    409

    Default

    Send your .tun file to me at SilveradoSS (at) insightbb.com and I'll take a peek.
    2009 Z06 LS7 / 2008 Sierra Denali AWD L92 6L80E
    Flashing control modules since 2001. 8-)
    Who needs a MAP sensor on a supercharged LS6 anyway.


  6. #6
    Member
    Join Date
    Jul 2005
    Posts
    80

    Default

    just sent it to ya....

    thanks bro

  7. #7
    Lifetime Member GMPX's Avatar
    Join Date
    Apr 2003
    Posts
    13,148

    Default

    Some of our earlier .cal files did have one of the ETC speed limiters missing.

    I know Rick has the updated files so he should be able to do what is needed.

    Cheers,
    Ross
    I no longer monitor the forum, please either post your question or create a support ticket.

  8. #8
    Member
    Join Date
    Jul 2005
    Posts
    80

    Default

    OOOOOOOHHHHHHH MY GOD what the hell did you do love the extra power and the gear shifts oh so sweet..

    i still cant believe how different off the line the truck is

    thank you.

  9. #9
    Lifetime Member SinisterSS's Avatar
    Join Date
    Sep 2003
    Posts
    409

    Default

    Magic.
    2009 Z06 LS7 / 2008 Sierra Denali AWD L92 6L80E
    Flashing control modules since 2001. 8-)
    Who needs a MAP sensor on a supercharged LS6 anyway.


Similar Threads

  1. Speed limiter
    By RichardWebman in forum E37, E38 & E67 PFI ECM's
    Replies: 1
    Last Post: August 7th, 2009, 04:41 PM
  2. zr1 speed limiter
    By 69camaro5speed in forum E37, E38 & E67 PFI ECM's
    Replies: 3
    Last Post: February 1st, 2009, 05:07 PM
  3. Top Speed Limiter Qs
    By nonnieselman in forum General (Diesel)
    Replies: 3
    Last Post: October 7th, 2007, 10:18 AM
  4. Speed Limiter
    By devil in forum General (Petrol, Gas, Ethanol)
    Replies: 4
    Last Post: June 20th, 2006, 08:00 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •