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Thread: Please take a look at my VE table. Having trouble.

  1. #1
    Advanced Tuner
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    Please take a look at my VE table. Having trouble.

    Ok, I have been tunning this thing for a month and I can't figure out why I have this "puddle" in the idle range of my chart. I have seen other charts and I know that this is not OK. The really strange thing is that my LTFT's are still like -6 to -9 in this area. Please offer some suggestions.

    My MAF is completely removed and the fail freq is set to 0. Also, the MIL light is set to off but the code is on. All my other LTFT's are within the 0 to -2 range. I just cant figure out why my idle area is so low. If I bring them up, my car wont idle. I am open to all suggestions.



    98 Z28 370 LQ9 w/ TH350, FTI 4800 Stall, OLSD, NW90 TB, 80# Motron Inj, AFR 225's, 231/231 .624/.624 114, Mamofied FAST 90 Intake, PT88 Front Mount w/ 4" DP dumped before the Strange S60 w/ a 3.73 gear

  2. #2
    Senior Tuner Russ K's Avatar
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    You need to make changes to the secondary VE table. Then copy & paste
    the 20,30,40,50,60,70,80,90 & 100 kpa rows from the secondary VE table
    to the primary VE table.

    Russ Kemp

  3. #3
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    I did that last night and will see what kind of results I get. I also noticed that my timing was in the 18-22* range, so I bumped it a little bit. I am going to do some more tweaking and see if I get anywhere.
    98 Z28 370 LQ9 w/ TH350, FTI 4800 Stall, OLSD, NW90 TB, 80# Motron Inj, AFR 225's, 231/231 .624/.624 114, Mamofied FAST 90 Intake, PT88 Front Mount w/ 4" DP dumped before the Strange S60 w/ a 3.73 gear

  4. #4
    Senior Tuner
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    It may be that the "puddle" is in fact correct, and the
    MAP above and below are just not hit in closed loop
    operation, rather being inaccessible (low MAP at idle,
    not with that cam; high MAP, step into PE) and thus
    never corrected for the realities of the motor?

  5. #5
    Advanced Tuner
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    Quote Originally Posted by jimmyblue
    It may be that the "puddle" is in fact correct, and the
    MAP above and below are just not hit in closed loop
    operation, rather being inaccessible (low MAP at idle,
    not with that cam; high MAP, step into PE) and thus
    never corrected for the realities of the motor?
    I am a little confused about the statement in the (). Could you please clarify?
    98 Z28 370 LQ9 w/ TH350, FTI 4800 Stall, OLSD, NW90 TB, 80# Motron Inj, AFR 225's, 231/231 .624/.624 114, Mamofied FAST 90 Intake, PT88 Front Mount w/ 4" DP dumped before the Strange S60 w/ a 3.73 gear