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Thank you so much, you have been a huge help. I made some more changes and took another datalog. It looks much better but it's just too muggy out to get a great run. I attached my last log in case...

Ok and that's under "maf calibration" correct? Unfortunately I wasn't datalogging that parameter so I don't have the Hz reading for that log. I can take another one when the weather is nicer and try...

Been getting more into the HP Tuners software and would like to get some opinions on this datalog from today. Temp was 95* with crazy humidity today, something to keep in mind.

First thing that...

Oh ok it must be the 63 that threw me off. I was searching 60 and only getting corvette tunes. I'll check again.

Yes, they are the short style. Any idea what year has the E38?

Installing these on my trailblazer SS with the tvs 1900 but I can't find any info on the specs to input on hp tuners. Any help is appreciated.

What exactly happens when you exceed that limit?

Thats what I thought. I probably should shoot for low to mid 12s for AFRs? Also, think I should reduce timing a bit to get rid of the knock?

I will look into that. Thank you.

Finally got my wideband hooked up and logging so I did two short datalogs today. One is just a short idle and the other is pull from 10-90mph. I see some knock and also seems to be running rich but...

Ok then I assume that switching to sd solves any sort of issues that come with airflow caps?

So if I choose to go SD I still am limited by the frequency still?

Happen to me as well. I thought it was quite ridiculous to be honest but you live and learn I guess.

Someone told me that the E40 ECU maxes out around 67 lbs/min and anything after that the ECU will have to be scaled to read properly. The stock MAF will then be fine because of the scaling done. ...

Thanks for the info. I'm not dead set on either option just trying to see what the options are so in ready for it.

Anyone else have any info? Looking to find out what the max airflow is on the e40 '06 MAF?

The vehicle is my daily driver and I prefer to tune via SD but I just want to make sure Im making the right decision, thus hoping for some more opinions on this.

Will be installing a TVS 1900 within the next few months on my 2006 TBSS and Im wondering what are my options for either staying MAF or swapping to speed density? I have supporting mods(HPT PRO,...

I just tried mine several times and it opens the last viewed file every time. Even a sample file. That's why I licensed a sample file, accidentally of course. I even tried restarting the computer...

Turns out I last opened a sample GTO file which opened by default when I connected to the truck, and NOT my TBSS file. That's why I licensed a GTO. Obvious mistake but unfortunately it cost me two...

Opened package, connected to truck, read the file, licensed it. Maybe I did something wrong...

I was told it was a user error. I'm not sure how I did that but there goes $100 in credits. Not too happy about that.

I just had this same issue today. Licensed my TBSS yesterday and it just asked me again to do it. When I checked my license info it says that I registered a 2005 GTO as well as my TBSS, which I did...