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Thread: Adjust for tire size

  1. #1
    Lifetime Member Boost's Avatar
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    Default Adjust for tire size

    I was able to adjust the tire size on my co-workers' '06 Silverado by following the EFILive tutorial. It corrected the speedo and the odometer, and eliminated the ABS light. I went to "Speedometer", clicked on "Parameters" and entered the values. It worked.

    Now I need to adjust my '06 LBZ 2500HD for the new 285/75/16 tires I'm running. When I go to "Speedometer" and "Parameters" the table that asks you for tire dimensions doesn't pop up. There are just 4 parameters displayed on the right, starting with "Tire Revolutions per Kilometer". Can someone point me in the right direction? Thanks.
    TORQUE SOUTH Tuning 125 VINs programmed
    2013 Buick Verano T 400+ lb-ft tq @ 26 psi with EFILive E39A
    1/8 mile: 8.933 @ 78.6 mph - world's fastest GM Delta platform
    2012 Chevy Cruze LTZ RS 200+ lb-ft torque @ 22 psi with EFILive E78 / T76
    40,000 MILES SO FAR OF RELIABLE AND POWERFUL 30 MPG TUNE
    www.torquesouth.com / www.gmtune.com / www.tstune.com

  2. #2
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    I want to know this too, there has to be some way to calculate it as the LL8 has the same issue, there is no integrated tire calculator like the LSx engines.
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, bone stock (for now...)
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

    New site! SE22 Performance Custom Tuning

  3. #3
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    As an example, a Bridgestone Dueler REVO in your size will do 630 revs per mile. Divide that by 1.609 any you got revs per km.
    2005 RCSB 2500HD GMC Sierra DURAMAX LLY
    1955 Chevy Truck 1st series, being restored
    2002 Mercedes C270 CDI

  4. #4
    Lifetime Member Boost's Avatar
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    So are you saying that by entering that value somewhere in the Tune, we can correct the speedo?
    TORQUE SOUTH Tuning 125 VINs programmed
    2013 Buick Verano T 400+ lb-ft tq @ 26 psi with EFILive E39A
    1/8 mile: 8.933 @ 78.6 mph - world's fastest GM Delta platform
    2012 Chevy Cruze LTZ RS 200+ lb-ft torque @ 22 psi with EFILive E78 / T76
    40,000 MILES SO FAR OF RELIABLE AND POWERFUL 30 MPG TUNE
    www.torquesouth.com / www.gmtune.com / www.tstune.com

  5. #5
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    Yes....but not somewhere. You need to enter it in H0136 !
    I have not tried it as I don't have a LBZ or LMM but that is the only option you got right now!
    2005 RCSB 2500HD GMC Sierra DURAMAX LLY
    1955 Chevy Truck 1st series, being restored
    2002 Mercedes C270 CDI

  6. #6
    EFILive Developer Site Admin Blacky's Avatar
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    An all new speedo calculator is included in the next release. It should be available (pre-release) this week.
    Paul
    Before asking for help, please read this.

  7. #7
    Lifetime Member Boost's Avatar
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    Thanks! Sounds good.
    TORQUE SOUTH Tuning 125 VINs programmed
    2013 Buick Verano T 400+ lb-ft tq @ 26 psi with EFILive E39A
    1/8 mile: 8.933 @ 78.6 mph - world's fastest GM Delta platform
    2012 Chevy Cruze LTZ RS 200+ lb-ft torque @ 22 psi with EFILive E78 / T76
    40,000 MILES SO FAR OF RELIABLE AND POWERFUL 30 MPG TUNE
    www.torquesouth.com / www.gmtune.com / www.tstune.com

  8. #8
    Lifetime Member Boost's Avatar
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    Does that mean that I the calculator that pops up for the LS1 Camaros and the 5.3 Silverados will pop up on an '06 SSR? I really need to adjust the speedo for 4.56 gears. Will I be able to do that as soon as I download the new version this week?
    TORQUE SOUTH Tuning 125 VINs programmed
    2013 Buick Verano T 400+ lb-ft tq @ 26 psi with EFILive E39A
    1/8 mile: 8.933 @ 78.6 mph - world's fastest GM Delta platform
    2012 Chevy Cruze LTZ RS 200+ lb-ft torque @ 22 psi with EFILive E78 / T76
    40,000 MILES SO FAR OF RELIABLE AND POWERFUL 30 MPG TUNE
    www.torquesouth.com / www.gmtune.com / www.tstune.com

  9. #9
    EFILive Developer Site Admin Blacky's Avatar
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    Quote Originally Posted by Boost
    Does that mean that I the calculator that pops up for the LS1 Camaros and the 5.3 Silverados will pop up on an '06 SSR? I really need to adjust the speedo for 4.56 gears. Will I be able to do that as soon as I download the new version this week?
    Yes

    Regards
    Paul
    Before asking for help, please read this.

  10. #10
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    And the LL8s too???
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, bone stock (for now...)
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

    New site! SE22 Performance Custom Tuning

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