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Correct injector data: https://forum.hptuners.com/showthread.php?96757-Injector-Data-Repository&p=794599&viewfull=1#post794599 Has to be setup...

Front end is stock height and rear is lowered with 3? beltech drop leafs. Air shocks in the rear and just some good Monroe?s in the front. I had an...

The file he posted shows a 12606961, which looks to also be a 2005 calibration.

Log, too.

Well not there yet. The corvette reg/filter is only good for 255lph. It'll burn up that pump you put in. Should have a vacuum reference return...

Almost debating not putting the 4.10 gear in. I’m turning a 31” tire so that’s the only reason why I was considering. This truck is kind of a daily...

Can be easier to see what the rest of the tune does if you zero out the underspeed and overspeed spark correction. Some recommend against that...

That is a custom operating system available for your stock 2005 Silverado 12606961 operating system. (Edit>Calibration Details)

Make it and hold it, that's the name of the game

I will add those to the channels. I forgot my preset channels were on my other laptop but I?ve got them now. Yes I did take care of 12198 and...

It really won't be needed for 99% of what you want to tune. I just used those examples because the truck I had was used mainly for very heavy towing...

Idea on how much weight? I got tons of steel to utilize. I may have a driveshaft built. I did the propeller shaft bulletin because no matter what I...

His question in the post was whether his OS was 2005 or 2007. Doesn't sound like he is skipping over it, but rather trying to verify it.

YEs. That harness is expensive.

I have had a 2002 silverado extended cab up to almost 130mph, and it was shaking so bad I am surprised the driveshaft did not catapult me off the...

I tried and now the ECU is bricked. How come do they still let users use hptuners on Subarus 😠😡🤬. What now? Can I send the ECU to hptuners?

thank you that give me a good start

First thing i notice is your Fuel for max torque, it is very steep. That table should be smoothed out to make it a smooth transition. Your WOT...

I do. Only thing, now that you said it, it the driveshaft. It’s a gm one piece. Truck is extended cab sportside. So it’s light. I’m not used to the...

Yes, Go download VCM Live and you will find a base tune for all the covered applications.

I have one

Number 11.

Did you ever solve this? I'm having similar issues with the same OS and I'm curious to know if you found something that worked for you.

i have issue with idle is like misfire no all the time is just for few sec. i am runing 93 fuel what i am missing and thank you. have Forged...

Changes in Fuel>General, Fuel>Transient, and P/N added to Calibration Details notes.

It does not fully disable it the starte still kicks in while the car is running from take off

i have attached the file thank you