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Thread: E38 2/3Bar SD tunes !! TPS VE Multi !! get in here~!

  1. #1
    Advanced Tuner ProTools4's Avatar
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    E38 2/3Bar SD tunes !! TPS VE Multi !! get in here~!

    Calling all E38 2/3Bar SD

    Been playing with the TPS VE Multipyer

    it works so strange

    Does anyone have info on this table?

    What ever is in the 0 TPS row it multiples the all VE tables by.

    then the TPS is not a direct correlation.
    at 5% TPS or APP the VE table is untouched yet locked in the 0% tps multi
    if you jab at the throttle it acts like a PUMP SHOT
    multiplication show up for a second then fades away

    is the TPS % actually TPS RATE ?

    I had to change the columns to .1% TPS resolution to get it to work off idle.

    file included for reference
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    NotoriouSS TAD
    DATLS7N 73' Datsun 620 LS7/HNC/TR6060/4.10/T2/2450lbs/603RWHP
    J5 - 96' Impala SS - 4700lb autocross machine
    Langston - 96' Caprice 9C1 Beater
    Rosie - 67' El Co - race truck w/ plates
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  2. #2
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    If your changing this from 1 then your main VE table is wrong - really is just that simple - does appear to be "WAY" too high...

    I experimented with the TPS multiplier way back and remember having serious problems if you ever wound up in one of the altered cells for any length of time... Quick transitions were OKish - (think I was playing with it for transient fueling experimentation), but if you held it there and were using anything over 1 - it would drive it really rich causing the motor to cough and sputter and that was with rather small values - after all it is a multiplier...

    As for the tps - most tps settings in the gen4 ecm's are area based - not actual tps percent - just like PE settings
    Last edited by GHuggins; 06-06-2016 at 06:47 PM.
    2010 Vette Stock Bottom LS3 - LS2 APS Twin Turbo Kit, Trick Flow Heads and Custom Cam - 12psi - 714rwhp and 820rwtq / 100hp Nitrous Shot starting at 3000 rpms - 948rwhp and 1044rwtq still on 93
    2011 Vette Cam Only Internal Mod in stock LS3 -- YSI @ 18psi - 811rwhp on 93 / 926rwhp on E60 & 1008rwhp with a 50 shot of nitrous all through a 6L80

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  3. #3
    Advanced Tuner ProTools4's Avatar
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    Quote Originally Posted by GHuggins View Post
    If your changing this from 1 then your main VE table is wrong - really is just that simple - does appear to be "WAY" too high...
    Actually

    to give lots of accel enrichment headroom
    I half scaled the VE table to match :-)
    NotoriouSS TAD
    DATLS7N 73' Datsun 620 LS7/HNC/TR6060/4.10/T2/2450lbs/603RWHP
    J5 - 96' Impala SS - 4700lb autocross machine
    Langston - 96' Caprice 9C1 Beater
    Rosie - 67' El Co - race truck w/ plates
    Wall-E - 21' Tesla Model 3P