nice wheels what tires and size are you running

 

I had that code too and a couple others after my SC install. Turned out to be barometric codes which I have been told by the maker of the SC to just turn off in the tune. They said its common with SC installs and nothing to worry about. Id be interested in what some forum tuners think about this.. I did have mine turned off for now, car runs great.

 

Im at the tuners right now. I'll look into it being removed too. Besides that, car is flawless. A&A

 

It's better to install a baro breakout harness and let the car use the VE tables, properly tuned. you can disable it and run maf only but you're leaving a LOT of response and driveability on the table, not to mention compromising the torque model.

 

The tuner put in a harness which I think is what you are talking about but I have read its more for if you are going to do meth and I still had to have them turn it off.

My questions is this hurting the engine in any way by turning the codes off? I have been told that it does not hurt but want to make sure. Thanks.

 

I even talked to Andy and my tuner, it's typical on these after supercharger install to disable the sensor with a tune.

 

Thats good, thanks. But I wonder why its so hard to tune out without turning them off? How is it done on the Z06?

 

I'm not so sure, plus the Z06 superchargers are setup differently than the A&A. Someone with way more knowledge than me can help with that questions.

 

the IAT part of that is for meth if you want it to be but the Baro part of it has nothing to do with meth and everything to do with a Baro code and running the hybrid MAF/SD calibration as GM intended.

 

The Z06 creates boost after the MAF.

The centrifugal supercharged Stingray sends boost through the MAF and Baro will read up to like 104 or 108 kpa (slight amount of boost but it gets maxed out and throws a code). This also screws up the Speed Density (Volumetric Efficiency) model because it uses Pressure Ratio (MAP/Baro) in these cars and not just MAP like old ones. Then the tunes just get thrown into a "MAF only" mode because it's easier, quicker, and a little cheaper.

Will the car run and drive? Yes, so many people are running around on a MAF tune, it isn't "unsafe." But it doesn't make it right, or ideal, or "the best thing for the customer." This is why the harness exists.

In HS I had a teacher with a banner on the wall (probably printed on dot matrix paper) that said, "What is popular isn't always right, and what is right isn't always popular." This always stuck with me and helps with comments like, "XX tuner tunes a lot of cars so it must be right." or the classic, "This is how everyone does it."

Maybe it's just what everyone is sold rather than what is right for everyone. Adding boost to a previously NA car can hide a lot of deficiencies one would never miss unless they had it the right way before. The car feels faster either way so no one thinks twice.

 

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Thanks, that's some good info. I would like to get it right especially since I have the harness too. I just don't think my tuner knows how to do and would probably want to charge me more for doing even if he could. He has had the car several times and has not been able to get it right and said he would need the car for a week or more to drive it every day while he makes changes to see if they work. That would equate to a lot of miles. And he is really the only tuner around so I guess I would have to drive somewhere where they do C7s all the time. My tuner wont give me a copy of the tune in the car cuz I think he knows I would send it to someone to double check it and then come back and suggest to him what to try. Ego I guess.

just glad it isn't hurting the car.

Thanks again.

 

I get a very occasional lean code on bank 1 that goes away after another start stop cycle. It seems to be just one of those things...of course it's 111 outside right now...