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I had my car tuned and the tuner replaced my OS with another. I pulled the tune and licensed it. I then changed the idle tables and tried to flash to the PCM and now it won't let me without...

I have read the this thread a couple times and I still have not figured out what wire on the MTX-L to connect to the PCM EGR. Since I have this in a swapped car I am not using down stream O2s so can...

I can't get it to load the drivers. Is there a link to the zip file or a folder where they are located? I uninstalled then reinstalled the v2.24 and then plugged in MPVI and it still wouldn't find...

I broke the screen on my old laptop so I installed HPT on a new one and I cannot get the drivers to work. Also when I try to open a tune file it says I need to liscence them again. How can I get...

I tuned it. It seems that all my files I liscense go to a 1BAR SD enhanced OS which is mod locking it. I need 1BAR MAF enhanced and no modlock. If I get someone else's stock file will it cost 4...

Does anyone have a completly stock OS for an 03 Silverado 4.8 #12579405? I am in dire need and would really appreciate the help.

Why is it that when I "read entire" and save the file it changes to 1bar enhanced. I pulled the tune out of my 03 silverado PCM and removed the VATS and changed a few things. Now it says its a "1BAR...

No one on here has any info?

Would someone care to explain to me how to richen up. I have twin turbos and am a bit afraid to push it into boost. Just curious as to what to do. Also I have a HPT 2bar SD OS, all the table seem to...

I just bought the seimens-dake 80#ers and put them on my car and at 34.5 psi they run ok. I just changed a couple tables, not perfect but ok till I get it tuned.

I have a 2Bar from GM part #12614973. It fits the stock truck intake

What IAT sensor should I use then? As mine built into the MAF.And how would I calibrate it to my PCM? Does it need to be calibrated or will it just work when I hook it up.

I heard MAF are easier to tune... And then I have to rewire the IAT sensor... Just paid $100 for the MAF...

I am a mechanic and I understand how the sensors work. My question is how can I used the 2bar map sensor with the MAF OS. What do I need to change in the tuning to make it work? I thought I could...

Well now I'm more confused than I was to begin with. Lets see if I got this. If I boost with a MAF then I don't need the 3BAR MAP. The MAF will tell the PCM the engine is building boost. If I make...

How do people boost with a MAF then?

So my plan is to use the stock MAF tune but change it to be compatible with the 2 bar MAP. The SD OS shows only a primary table. The stock tune shows 3 VE tables. So if I understand correctly, you...

Understood, I have a 2bar MAP GM# 12614973 that physically fits on the truck manifold like the stock one. So if I install this sensor, can I copy the MAP table? Is there anything else that needs to...

Can I take the 2BAR MAP table out of my SD OS and replace the stock MAP table in the stock tune and will that make the stock tune boost compatible? If not help would be appreciated.

Me too.

Cool thanks...^^^^

So when I put the hpt on the vette and read all, it asks for liscence and credits. Can you explain to me how to copy the tune without using credits?

I did manage to change my idle table, made it 800 across the board. I also have a 99 Vette, if I unlock that car and copy the timing tables from that car to the Chevelle tune, do you tthink it would...

Unfortunatly I haven't learned that much about tuning yet. I just got the car back running about a week ago, I haven't learned how to use the tables yet. I really wanna learn but it is so confusing...

I know that much... I am wondering if that tune is ok to run the engine on for a little bit untill its tuned, Or do I put the car on the trailer and take it to the tuner?