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Thread: ZR1 spark table Airmass scale

  1. #1

    ZR1 spark table Airmass scale

    Any idea why my high and low octane Spark Airmass (g) only goes to 1.36? I've downloaded a couple other tune files from other users for ZR1 and theirs goes to 1.80

  2. #2
    Tuning Addict 5FDP's Avatar
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    Same year and same OS's?
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.

  3. #3
    I tried a stock 09 and it was the same as my 2011, but couple users on the forum had posted their tunes for C6ZR1 and I was looking at them and noticed their tables were different...I'm pretty sure all C6 ZR1 are on the same OS from 09 to 13

  4. #4
    Senior Tuner Ben Charles's Avatar
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    Just scale it.. it?s easy

  5. #5
    ok, so Ben you're saying those aren't "stock" scales then...? it's more for a sanity check for me than anything else...

  6. #6
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    im pretty sure just the earlier e38 were set max 1.36 but the latter 08+ should be able to change the scale for airmas in the spark tables

  7. #7
    that is what I'm finding out...I didn't know you could, that's pretty sweet!

  8. #8
    Also, if I adjust that on both timing tables do I need to adjust any other tables?

  9. #9
    Yeah just open the row axis and then type what you want and interpolate and bingo. This works for all of them. Came in real handy when I tuned my car NA I did a full pull and it made 97 KPA each time so I changed the 95 to 97 and got that row perfect fueling wise.
    2008 Corvette
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  10. #10
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    Quote Originally Posted by mirage2991 View Post
    Also, if I adjust that on both timing tables do I need to adjust any other tables?
    if u change it on one table it will change all related tables so they match

  11. #11
    Quote Originally Posted by 07GTS View Post
    if u change it on one table it will change all related tables so they match
    excellent! thanks for that info!

  12. #12
    one more: do i write entire or does write tune to apply such change?

  13. #13
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    im not 100% sure but when ive done it on the VE table ive only done a write tune only and it was fine

  14. #14
    Senior Tuner Ben Charles's Avatar
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    Write calibration is fine...
    Honestly when possible I mod Axis on as many tables As I can

  15. #15
    When i did it on the high octane table, it automatically published the data. Does this mean GM already had the data there and now i simply can see it because i asked the table to read those new points or is it hpt that is creating them? Just curious.

  16. #16
    Senior Tuner Ben Charles's Avatar
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    Hp creates them