Results 1 to 5 of 5

Thread: Is the timestamp in the data files

  1. #1
    Lifetime Member McRat's Avatar
    Join Date
    Nov 2005
    Posts
    280

    Default Is the timestamp in the data files

    from the ECU, or EFILive?

    I was wondering if I could use it to tie in two V2 units on separate OBDII ports of the same truck, to get more external datalogging.
    2005/2007 DHRA Western Drag Champion
    Bonneville A/DT & B/DT Land Speed Record Holder, 197mph best speed.

    Casper - 05 GMC 2500 Dmax LLY 10.59 @ 129, 916rwhp
    Big Blue - 04.5 GMC 3500SRW LLY 13.12 @ 104, 502rwhp sled puller
    Wendy - 06 GMC 2500 LBZ 12.50 @ 107.5 First LBZ into the 12's. 542rwhp.
    Blue Meanie - 02 Z06 11.40 @ 121 AFR H/C

  2. #2
    EFILive Developer Site Admin Blacky's Avatar
    Join Date
    Mar 2003
    Posts
    9,505

    Default

    In EFILive version 7, the timestamp is added by the PC.
    In version 8 the timestamp will be added by FlashScan.

    Regards
    Paul
    Before asking for help, please read this.

  3. #3
    Member
    Join Date
    Oct 2003
    Posts
    71

    Default

    Quote Originally Posted by Blacky View Post
    In EFILive version 7, the timestamp is added by the PC.
    In version 8 the timestamp will be added by FlashScan.

    Regards
    Paul
    So in V7 the timestamp isn't useful? I noticed a pretty large scatter on data collected 'fast' (10Hz)

    Is 10Hz accurate or approximate?

    TIA
    Carl

    PS - still use the old hardware to log since I don't have bb logging going on my new hardware yet. Although all the licenses are transfered, so I can't program my spare pcm with the old hardware ....

  4. #4
    EFILive Developer Site Admin Blacky's Avatar
    Join Date
    Mar 2003
    Posts
    9,505

    Default

    Quote Originally Posted by critter View Post
    So in V7 the timestamp isn't useful? I noticed a pretty large scatter on data collected 'fast' (10Hz)

    Is 10Hz accurate or approximate?

    TIA
    Carl

    PS - still use the old hardware to log since I don't have bb logging going on my new hardware yet. Although all the licenses are transfered, so I can't program my spare pcm with the old hardware ....
    Which PCM/ECM/TCM are you logging? In stream-fast and stream-slow scan modes the data rate is determined by the PCM and is accurate.

    It is possible that the PC is not keeping up with the data logging and causing the time between frames to vary.

    When you transfer licenses from V1 to V2 (during the V1 to V2 upgrade) the V1 license remains on V1 so you should be able to continue to tune all vehicle previously licensed to your V1 (and also with the V2).

    Regards
    Paul
    Before asking for help, please read this.

  5. #5
    Member
    Join Date
    Oct 2003
    Posts
    71

    Default

    Quote Originally Posted by Blacky View Post
    Which PCM/ECM/TCM are you logging? In stream-fast and stream-slow scan modes the data rate is determined by the PCM and is accurate.

    It is possible that the PC is not keeping up with the data logging and causing the time between frames to vary.

    When you transfer licenses from V1 to V2 (during the V1 to V2 upgrade) the V1 license remains on V1 so you should be able to continue to tune all vehicle previously licensed to your V1 (and also with the V2).

    Regards
    Paul
    I am logging a 2000 Camaro. I picked up a spare PCM to put the newer OS in. I transfered the licenses to the new EFILive hardware to do that. No biggie - I forget that I have to switch back and forth. I need to get BB logging going with the new hardware.

    The times may average 10Hz, but the range is ~80ms to 130ms. No problem if the PCM is accurate.

    Thanks.

Similar Threads

  1. How do I post a data log?
    By 55 ss in forum Gen III V8 Specific
    Replies: 1
    Last Post: April 1st, 2009, 05:54 PM
  2. Need data stream .xml, have the .ds
    By overclockedpc in forum EFILive V4
    Replies: 0
    Last Post: October 5th, 2008, 05:38 PM
  3. Corrupt BB data
    By RevGTO in forum Gen III V8 Specific
    Replies: 2
    Last Post: June 15th, 2008, 06:48 AM
  4. L92 Data log
    By etmotorsports in forum Gen IV V8 Specific
    Replies: 0
    Last Post: January 26th, 2008, 05:04 PM
  5. Data logging
    By never satisfied in forum Duramax LB7
    Replies: 1
    Last Post: February 20th, 2006, 02:53 AM

Posting Permissions

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