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wideband tunning need help

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Old 07-16-2009, 09:05 PM
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Question wideband tunning need help

ok so i just got my wideband its aem uego hooked it all up thing is i started tunning way before i has it with ltft an stft with the narowbands so whats the best way to do it...i think i have set it up all right ... i really need somebody to really look over my tune and see what i can do with it just loged it today

sup. mods
slp lid
ported stock tb
no egr air
3inch cat back no cats
pacesetter headers 1 3/4
auto to m6

really need some info car is in sd and dont plan on useing maf sensor either
any help would be great

Last edited by nerisls1z; 07-27-2013 at 04:31 PM.
Old 07-17-2009, 09:30 AM
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Well if your tuning using HP TUNERS MPVI PRO I would recommend you start with the instructions.

Open Editor > Hit F1 key > Click on Search > Type in Speed Density Tuning.

Its all there with pictures!
Old 07-17-2009, 08:01 PM
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Originally Posted by 2Tightwads
Well if your tuning using HP TUNERS MPVI PRO I would recommend you start with the instructions.

Open Editor > Hit F1 key > Click on Search > Type in Speed Density Tuning.

Its all there with pictures!
hope this gets me somewhere if not does anybody does mail order tunes
Old 07-17-2009, 08:25 PM
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Cant really do anything from that tune. Fuel trims are still on. You have to disable closed loop. Also when you make changes in the primary VE table you have to adjust the secondary VE to match it.
Old 07-18-2009, 11:03 AM
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Originally Posted by JonCR96Z
Cant really do anything from that tune. Fuel trims are still on. You have to disable closed loop. Also when you make changes in the primary VE table you have to adjust the secondary VE to match it.
i guess i havent read enough i guess ill set everything back to stock then just sit back an read more to figure things out before my motor goes booom thanks alot for the help ! if you guys know any good tuning thread let me know ive been up all night reading an reading man my eyes hurt
Old 07-18-2009, 11:44 AM
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Just off the top, I see you have LTFTs disabled in your tune, yet they are still affecting your fueling. You must reset them in the scanner or they will always be applied in their previously learned values and locations.

This is common and has happened to us all at one point or another along the way.
Old 07-18-2009, 01:34 PM
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Why would you do SD on a bolt on car?
Old 07-20-2009, 09:16 AM
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Originally Posted by Frans96SS
Why would you do SD on a bolt on car?
i figure might as well get it out of the way cause next summer going with a aps kit ....fab work and mechanics is nothing to me but all the crazy add multipy and stuff is alittle confusing but starting to understand most of it but till today i have put it back in closed loop....ill wait till i get the kit to run sd ..right now looking for ls6 intake and a good cam to open her up for now thanks for the help fellas much appreciated




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