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Without seeing a tune and log no one can see what you are doing right or wrong.

Greedy because he asked you to post your tune and a log to get some idea of what you're working with? You got issues bro. You realize nobody here...

Alvin mentioned likely why..

Thanks for all the advice and ideas guys. I messaged the flanges of the headers with a flat file. I finished wrapping the headers and re-installed...

Well that would make since why it did better in SD but why do you think I have to add so much to the VE table?

thank you. this is the 02 corvette. pretty stock otherwise. at least nothing crazy. i saw the OS segments but wasn’t sure what was normal and...

so i was writing a tune a couple years ago and something must have dropped voltage because I just got lights on the dash that said loss of...

Putting the MAF right in front of the throttle body with a coupler is the worst place you can put it. You would be better off not using a MAF and...

thats not always an option, we can only run a 2.2l in our hornet class.

it'd be great if we somebody did, we cant run a 2.4l in our class only a 2.2l so thats not an option if anybody figures it out please let us know.

Lets see where that was said because anyone that knows anything wouldn't say that unless you had a new blank PCM.

so this is the forum that told me i needed to have an operating system installed. so it’s not some wild idea i thought up myself.

Full exhaust no cats with long tube headers the intake is exactly how GM had it in the truck, I don't have a aluminum intake tube because i don't...

I hear ya! Give my tune a shot. Won't hurt!

That combo is well outside anything I have experience with, so I'm not going to offer advice there. However, my previous point is still correct. ...

It seems to me that you want an accurate VE table, as it is your base map for the actual airflow through the cylinders. From there you would adjust...

It's an E67 PCM running 08 Saab 9-7X Aero OS that is compatible with a T43 TCM in a 6L80E. The engine is an LS3, with a Magnuson 2650...

ahh youre cute. have fun

also, it is nice to post the tune and the log. 30 sets of eyes lookin at your tune can spot something you might not have seen..

so you 5.3 has every intake piece, exactly how GM had it in the truck it came from the factory with? you only have headers? Every other piece of...

Actually spark table does not change physical firing order, that is just for diagnostics and can really be omitted.

Why would you assume free hand out, you sound like a total douche. I just wanted some insight. I already paid my licenses credits, I just wanted...

I'm certain the system maintains a constant 58 PSI at the pump and holds steady at 58 PSI at the fuel rails while idling. Today, I’ll check the...

No they do not.

There are some transient min fuel milligrams that needs to be changed. I made a post about it a while back. This will solve your issue.