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It would be much easier for your swap to use a standalone wiring harness. PSI CONVERSION makes very clean ones for swaps, factory harnesses still have emissions wiring and other provisions that you...

Hi,
I was wondering if anyone had a copy of the ls3 535hp gm crate engine base tune?

Thanks

Thanks for the feedback, I've learned a lot from what you and other active members have posted on other threads on here!
When I downloaded 2.25 I didn't change any save locations, it just let them...

This is exactly what I did so i'm not sure why 2.24 was removed when i downloaded 3.0

Also 2.24.1170 is the newest version I have so maybe that's my problem.

Thanks!

Ok,
I have a version newer than that, so I went ahead and tried downloading it on a new computer, I changed the save location, and it still wiped out 2.24 from my computer. Do I have to save it to a...

HP tuners, any thoughts on this? I have been recommended by you to download to 3.0 because i'm having an (INVALID VIN/OS PAIR) issue with a gen 4 6L80E setup and you said 3.0 would fix this problem....

Ok sorry, I must have skipped over where you said it was DBC to start out with. Like I said before, That van is the only application that I know of where they used a DBC setup on a green and blue...

Hi,
From my understanding only 03 or 04 express vans came set up as a drive by cable with a green and blue computer, you could try to find one of those tunes maybe on the tune repository. Otherwise...

Hi everyone,
I'm doing a tune for someone soon, and it would be great if someone could post or point me in the right direction to find a stock LS9 base tune!
Any help is greatly appreciated....

Hi, have you tried contacting PSI tech support with this issue? Gary who does their tech support is very good at resolving issues that people have with their swaps.

Hi I have come across 2 tunes today that i'm having an issue with. One is a 2007 tahoe, and the other is a 2007 avalanche. I read the stock ecm/tcm out for both sets and when I go to change tire size...

Thanks for the quick response bill! I just uploaded a screen shot of the 2 files to show what has changed.

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Hi I was wondering if anyone could help me with this. I have a tune file that I flashed to a computer and sent to someone. They had some issues so I asked for them to read it out and email me the...

Thanks for the quick reply! I do need a 2006 tune though. I have found some differences from 2005-2006 and it has to be a 2006 2WD tune to work for my application.
Thanks again.

Hello everyone, I am hoping someone can help me out with this. I have searched the tune repository and I cannot seem to find what I am looking for.
I could really use a stock 2006 truck (Sliverado,...

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I have found 4 tunes 03-05 6.0 4L80E so far that had the same fan control that I have yet see on another gen3 model/year tune.
Thanks!

So i've been going through some tunes comparing green and blue drive by wire tunes.
On a 2500HD silverado 6.0L 4L80E , from 2003-2005 and 6.0L ONLY there is a (fan desired percentage vs ect) table...

So i've been going through some tunes comparing green and blue drive by wire tunes.
On a 2500HD silverado 6.0L 4L80E , from 2003-2005 and 6.0L ONLY there is a (fan desired percentage vs ect) table...

Ok just looking over the file. Is that a 2wd tune? Vin shows its 2wd i'm just wondering why it has some 4x4 codes enabled in the DTC's.
I just need to make sure as I have to have a 2wd tune.
Thanks!

On the bottom right click go advanced > attachments > manage attachments > add file > choose file > upload.
Thank you!!

Hello everyone, I am hoping someone can help me out with this. I have searched the tune repository and I cannot seem to find what I am looking for.
I could really use a stock 2002 Sliverado 4L60E 2...