Tuning boost.

[02Ls1]

What are you guys doing to tune this new pcm's (e38) with boost.

I seen that it can handle at least 10lb's of boost tuning the MAF but after that what are you doing for 14 17 lbs on it.? I seen talking about the blucat but i have no idea of htis tool. I was wondering if the HPtuners software i bought would or can tune this kinds of levels on boost. I really want to learn almost getting my turbo and i dont want to stay on 10 lbs of boost.

[eficalibrator]

You can go waaaayyy past 10psi on an e38 with the MAF. The newest stock operating systems are floating point on the airflow number, so they'll measure well over 200lb/min (~2000hp) as long as the MAF sensor itself isn't saturated. The stock C6 MAF is also good for over 200lb/min of measurement range before hitting the 15kHz limit.

Also, the new "virtual VE" system is inherently a 2.5bar system as long as you use it as intended. You'll need a tool like Bluecat's to work with it properly in HPTuners, but it's certainly doable without going to a custom operating system.

What's the problem again?

[02Ls1]

Thanks Greg.

I dont have a problem wit it i just wanted to go over 10lbs on boost on my truck and i though the MAF could just handle 10lbs. But i do see in my airflow calibration is to 15khz.

The only thing i would like it wasa like the 0411 pcms going speed density with out using another prgram like Blucat, i have never use it and know nothing about it.