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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > PROcede boost & timing control examples (lots of datalogs)



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      07-26-2009, 10:51 PM   #23
deamon32
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Is it possible for BT people to log their data to do a comparative test against the data provided by the Vishnu logs? I know I read that the BT logs the data samples at a much slower rate, which is already bad, but does anyone know what data to log through the BT?

Thanks to all of the data and logs Shiv has posted over the last few weeks my understanding of how the tunes and engines work has increased tremendiously, although I still don't know much about this stuff. After seeing some of the information posted lately I am seriously considering getting my hands on a proced rev2 canbus, to at the very lest do my own data logging against the JB3.

I generaly run map 2 using the JB3 which is around 11-12psi max boost and I dont care about getting the most power out of the engine, I do however want the safest tune out there...
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      07-27-2009, 04:26 AM   #24
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Quote:
Originally Posted by deamon32 View Post
Is it possible for BT people to log their data to do a comparative test against the data provided by the Vishnu logs? I know I read that the BT logs the data samples at a much slower rate, which is already bad, but does anyone know what data to log through the BT?

Thanks to all of the data and logs Shiv has posted over the last few weeks my understanding of how the tunes and engines work has increased tremendiously, although I still don't know much about this stuff. After seeing some of the information posted lately I am seriously considering getting my hands on a proced rev2 canbus, to at the very lest do my own data logging against the JB3.

I generaly run map 2 using the JB3 which is around 11-12psi max boost and I dont care about getting the most power out of the engine, I do however want the safest tune out there...
The BT Cable will tell you just, what the DME sees (no procede or JB changes)
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      07-27-2009, 07:08 PM   #25
deamon32
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Originally Posted by munters View Post
The BT Cable will tell you just, what the DME sees (no procede or JB changes)
So by just monitoring the DME it would not be possible to do a comparative test against the Vishnu logs?
I really dont know much about engine tuning, I just know the very basics and want to do some of my own logging which would probably help me understand what is going on a lot more. I am even going to go as far as getting my hands on a procede to compare it against my JB3.

I know what settings Mike/Terry have been using to log data with the BT cable, but I don't know if that data is comparateive or if its like comparing apples against oranges and if I would just be wasting time logging a bunch of data with the BT cable and then trying to compare it to the vishnu logs.

Thank you
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