no mods looking for fuel economy

i have an obdlink sx

I need some help with ve tuning i have a 2004 gmc 1500 with a 5.3 t
os#12587603
I use pcmhammer to read and wright

it is not a P04 ,E67 ,E38


I think it is a E40

Thanks I Keep Trying To Find A Way Or Buy HP Tuners

If You Find A Way Please Feel Free to Drop By

Looking For Some Help Finding Software And Files For A 2006 Pontiac Montana SV6 3.5 V6 FWD

I have TunerProRT And A OBDLink SX


17006

for what?

What Are you using for software To Read The PCM?

What is the pcm for?

It Is A 2006 Pontiac Montana SV6 FWD

And If You Can Get Theas Files Can You Tell Me How You Got them

Thanks Wyatt

I already have all the stuff to tune p01 and p59 I just want to tune a different drive train to do stuff like shut off o2s to try to do some hydrogen fuel saving

I know this sounds dumb but how do get those files?

Thanks But I need software to read bin files in Tunerpro Rt


Btw what Bencharnes Cable OR OBD2 Cable Do you use

Dose any one have software other then pchmammer or Hptuners?

dose any one have a 2006 Pontiac Montana sv6 3.5l fwd xdf and bin?

dose any one have a 2006 Pontiac Montana sv6 xdf and bin?