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Just an update. I swapped in the Z28 tune, swapped all of the tune over, did a segment swap with a matching OS and it took without any credits. The car is finally right! No more TCC issues!

Thank you for the reply. From my understanding I read a post by Bill@hptuners that said GM never made a 936036 OS for a 4l80e truck unfortunately. I know you spelled this out pretty clearly but...

I have a couple of questions. A friend has a 2000 turbo Camaro SS with a 4l80E swap (speartech harness and segment swap). It has issues with the TCC having a mind of its own even after swapping,...

I wanted to bump this up. Was there ever a resolution? I have a friend with a 2000 Camaro SS with a 4l80E and on the street unless you floor it, it will lock up in 2nd or 3rd at a low rpm bogging...

Yes the tuner said he did a segment swap.

I have a buddy that I'm helping with his 4l80e swapped turbo 5.3 2000 camaro ss. The PCM seems to want to lock the TC almost all the time even though in the tune as far as I can see it should not be...

Ah ok the ones I and I believe the OP is referring to are the ones listed here http://www.lingenfelter.com/mm5/merchant.mvc?Screen=PROD&Product_Code=L250366512&Category_Code=C462

I believe thats the one in the link I posted. "L730100309 Bosch LS9 LSA 63 lb Fuel Injectors "

Thanks for the response. I don't believe they are Dekas though. http://www.lingenfelter.com/product/L730100309.html

I am interested in this information as well if anybody has information or advice.

It has a vararam intake on it. Thanks for the reply:)

Holy crap, thank you. This fixed it and it pulls a lot smoother up top now with no MAF dropout. You are a life saver and now I can actually start "trying" to tune the most out of it :). ...

Ok so I know that I have a lot to learn with tuning this thing. I have a 2005 GTO that I recently installed a set of ported 243s, FAST 90 and a custom sleeper cam (226/230 118+2 LSA) .598/.607 lift...