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Hi there. I have acquired an 06 impala LT with the 3500vvt motor. My other car is an 02 regal GS that is my toy. With the regal having rust issues i would like to swap that into my impala. I do...

I am trying to figure out on why my setup is running 11.8afr at wot once I reset my trims. After a few days it will then settle to 11.5afr at wot and the ltft corresponds with adding 3% fuel to make...

The fuel trims went to shit before and after the VE tune. No change at all. I have been chasing this for years. The issue is random for the most part every day. I posted on the 3800 forum and come to...

Bringing back from the dead. Car has had a VE tune, new fuel pump, valve cover breather and will still act up.....at a total loss!! I even moved the 02 sensor close to the front header and no...

I believe this will help. I had a friend help me get it set. Thank you. Good to know for the future.

Finally made the change to 3.6 on my new laptop from 2.24 on my old. I imported the config file and it imported as much as it could as expected. Added parameters back into the channels as needed. But...

I agree as well. But I have been paying so much attention to my tune that in the mornings (60-70*) I will be hitting 10.7 AFR. On the way home I am hitting a solid 10.9-11.0 when it is 80-90* out....

Well unfortunately the IFR change did not help. The car decided to act up the other day and today. What am I missing? Could the maf be at fault? Or fuel pump? I did hear a noticeable tick from the...

In the afternoon I got another scan with no KR again. But the afr's were right around 10.8 vs this morning 10.6. Felt much better considering it was 90* out. How is this possible with he afr change?...

I will be swapping the 104's back in after work hopefully. But this morning I did a few pulls on the 103's as seen bleow. No KR when 3rd came around but........it was a HUMID 75* this morning and the...

At what point could the 103 be acceptable? Should I bother with a few scans with them in now? With it being too cold what effects is it having? With the 104's not showing any color how will I know...

These are my 104's with around 2k on them (hard to tell about the heat range discoloration you speak of) The 103's were used for maybe 30 miles but I put them back in just now gapped at .045
...

I am running newer GM wires. Coils are GM as well. Not new. I know these car run best on them as well. I will try the 103s gapped at .045. How will the 104s gapped at .042 benefit over the 103s? Im...

I have been working and working on this tune and thought I had it as it pulled pretty decent for what it was esp. when 3rd gear came around. This was when I was hitting an 11.0 afr. But as you see it...

As of right now I believe the car is behaving very well 'fingers crossed"

Another member pointed out that my IFR table was hacked.

Interesting. I will have to look into this.

You are correct I wasn't thinking.

There is not an existing one. I would have thought the battery was the best place.

I removed the - wire from the battery (for the WB) and made a new solid down to bare metal ground for the WB.

I did 2 scans (car in acc.)

The first was plugging the green connector into the HPT...

Is there anyway to fix my wideband being off .2-.3 on my laptop? It is right off the battery for a good solid power/ground connection controlled by a switch.
...

Here is a stock File. How can I modify off this IFR table? I have looked at a few other tune's on the repository and have different slopes to them (for 42.5's). I am lost on why this is.

I did...

Holy SHIT.......how in the hell does this happen!?

How can I get this in check???

Do you think this is the culprit?? I am literally speechless right now......besides pissed.


---Side...

How is the IFR screwed up? I am running 42.5 injectors (same table for 8 years by pervious owner). I remember making a thread over a year ago and I was sent on my way as it was ok by other members.
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Today I removed the band clamp around my crossover and found a very minor leak (minor soot buildup) So I rtved the entire area where the pipe slips into and re installed the clamp. As well as rtving...

And the tune