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Thank you Kevin! I will use this one :)

Okay, so I finally found a true 2002 Tahoe 5.3 ECM with Flex. Paid $60, so didnt do too bad. I had someone try to pass off a 4.3 S-10 ECM as the Tahoe one. "They are the same" is what I heard when...

I guess no one tunes the 2008 model year Ford cars with auto?

And I just noticed something. My current ECM is the older 09354896 and not a 0411. So maybe I do need to go ahead and get that Tahoe one and use it instead? From what I saw online the 0411 is...

So it's only the P59 that you would have to worry about the engine tune mixing with the transmission tune? Thanks

Hello, I was wondering if I could get some help as my researching is coming up empty.

I just loaded up the stock tune from my 2008 Sport Trac and looked at the transmission settings. I did some...

Well, I did find another 2002 Tahoe Flex 5.3 with a 4x4 transmission. Dumb question, but i'm assuming the engine tune doesn't care about 2WD vs 4WD? If I am Segment Swapping to a 2WD 4L80E I should...

Thank You Matt. These should come in handy for sure. I am in the same boat. Trying to do everything as a budget build and not much to spend on this project and slowly building up the parts. I thought...

Thank you 5FDP. I see your name a bunch on the forums and you are always very informative. :) Sorry, I got the whole setup from the Silverado 5.3. I am just not sure what year it exactly was, but its...

Hello,

I have a 99-2000 5.3 Silverado ECM (Using LS1 Intake [for clearance] with stock injectors and SS2 Cam) that I am using for my project. I will find out the OS once I can get a bench setup. I...