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  1. Hey im updating this post. I have a customer...

    Hey im updating this post. I have a customer truck we did this same mod to. I cant get it to show timing being pulled in scanner. When i arm nitrous iat jumps to -40* but timing stays at commanded...
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    Figured it out. Thanks.

    Figured it out. Thanks.
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    Gen4- How to command open loop idle!?

    I have done this numerous times on the gen3 setups. I cant seem to make the gen4 setups idle in open loop. Im tuning a full bolt on silverado with a pretty big cam. Truck idles amazing when i force...
  4. I figured it out! I thought i posted back the...

    I figured it out! I thought i posted back the fix.

    I changed stoich to 14.7 all across.

    I was looking over the maf sensor figuring it was bad bc it would idle and act right with the sd mode...
  5. Yea i know. I just changed them to 1.00 to try...

    Yea i know. I just changed them to 1.00 to try and see if it made a diff with fueling. I havnt uploaded and tried tht this tune yet. Im almost certain it want help tho. Ive never had to change it on...
  6. Flexfuel was enabled at first. So i disabled it...

    Flexfuel was enabled at first. So i disabled it and ill change stoich as well.

    Anyone see anything else tht stands out? What about the pe delay table settings. I wasnt to sure about those. First...
  7. E38 stuck in PE mode and Crazy commanded AFR. Help please!

    I have a customers 2007 Tahoe, full bolt on cammed setup. I have it currently tuned in Maf only mode. I have already performed the cruising fuel trim tuning. I just started today making some WOT hit....
  8. anyone got any ideas on this? this has been...

    anyone got any ideas on this? this has been driving me crazy. Hope one of u guys have something tht could help.
  9. bump!

    bump!
  10. I have it set up for OL idle. I can change that...

    I have it set up for OL idle. I can change that back. I don't see how tht would affect the idle timing and IAC tho. Is it possible to have a corrupted OS? I have read about when converting to a newer...
  11. updated with a new tune try it. This one for sure...

    updated with a new tune try it. This one for sure should be unlocked lol.
  12. Well I just researched it so I gotta do a write...

    Well I just researched it so I gotta do a write entire with the tune unlocked for it to be unlocked. Does this make since? ive never had my tunes locked before, im guessing I selected tuner lock all...
  13. Updated with an unlocked tune.

    Updated with an unlocked tune.
  14. Boosted 6.0 Iac and timing issue! Help needed!

    Hey I have a Boosted 6.0 with an IAC and Idle Timing issue. This has had me stumped for a few weeks and im still trying to figure it out. IAC maxs out at zero after startup, and Idle timing is being...
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    ok figured it out. Customer had wired the front...

    ok figured it out. Customer had wired the front speed sensor into the rear on the 80e. Scanner showed at idle 20ish mph to it was commanding a high octane table timing. Fixed that and all is good to...
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    no luck same thing

    no luck same thing
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    ok now here is something weird. I just got a...

    ok now here is something weird. I just got a customers truck in today to tune. Built 6.0 with all the bells and whistles. Flashed a base tune to get it up and running to look over things, thin...
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    im almost certain map reads 100kpa KOEO. Cam is a...

    im almost certain map reads 100kpa KOEO. Cam is a lil john stg2 turbo cam specs are 226/231 .605"/.598" 113+4.

    Ill change up the PE table. I can see were an intake leak would raise idle, and im...
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    another thing I just thought about, is would a...

    another thing I just thought about, is would a possible vaccum leak cause an issue like this? it just seems weird tht the scanner want let me control the idle rpm at all.
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    Hanging High Idle and Low timing

    I have a hanging idle around 1000rpm and my timing hangs around 8*. Ive looked all over the tune and I cant come up with anything. Im leaning toward to much airflow or something. I also, can not go...
  21. Ok ill give tht a try as well

    Ok ill give tht a try as well
  22. Tht definately helped alot. Thanks for tht. ...

    Tht definately helped alot. Thanks for tht.

    How do u figure which airflow mode your in for a certain switch point?
  23. I understand all the timing, raf, and ve/maf part...

    I understand all the timing, raf, and ve/maf part of tuning. No issues there.

    The main thing im concerned with, is when u have longtubes or cammed the o2 mess with fueling. I also understand...
  24. Headers/Cam O2 swtichpoint tuning for stable cam idle???

    Hey I have been tuning for a few yrs and have a pretty decent understanding of it. What has had me troubled for a while now, is tuning the o2s for a stable cam idle with longtubes etc. A recent car I...
  25. Yea i think thats the issue. Imma swap to a ls2...

    Yea i think thats the issue. Imma swap to a ls2 front cover and see what happins. Thanks.
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