[C4sF80M3]

Could you run the same boost levels at the track, or is that street values only?

Originally Posted by shiv@vishnu

Hellblazer's car. Dyno from last week. Street Datalogs from today. No glory logs. Just random logs I took for my own use. Updated with newest BMW DME software 2 weeks ago.

2007 335 6MT
49,000 miles
Procede v5 w/PWM Meth
DCI
91oct
70/30 methanol/water mix

This car makes over 400whp at 16.5psi. Consistently. With, quite literally, no recorded knock retard. The car is terrifically fast. No loud exhaust. No signs of obvious modification. Just another 125whp on tap. Ambient temps were pretty mild today. Looking forward to when it gets warmer. Same progressive meth mapping logic as we use for the older nonPWM kit (ie, boost/timing targets don't get aggressive until meth flow reaches its target.) None of the low/high boost switchover at boost onset can be seen. Meth reacts as fast as boost rises. And is trimmed back during throttle closures/DTC intervention. Or when the engine is still warming up. Even when jumping on the throttle at 4krpm (3rd datalog), boost never "outruns" meth flow. This means consistent knock resistance when transitions into and out of boost. Still playing around with the Meth DC% tables. I know many people think their PPS meth systems feel seamless. But they need to drive this

Dyno:



Street datalogs:

[OpenFlash]

Originally Posted by c4s335i

Could you run the same boost levels at the track, or is that street values only?

On the track, I'd be concerned with the cooling system because it has been shown to be the weak link in this cars. This engine is capable of generating heat quicker than its cooling system can dissipate it. Making more power will make more heat with no change to cooling efficiency. Definitely a much better idea to drop boost when running in road racing trackday conditions. Unless you have a prepped race car and did all the things that you need to do (vented hood, big coolers, ducts, etc,.)

[GeorgiaTech335coupe]

Originally Posted by enrita

This looks really great, i like most the seamless power without the obvious switch from map 1 to map 2 i am experiencing now. the change from 15.5 psi to 18,5 psi is quite brutal and cannot be used on a track. You also cannot predict when the change will happen since it depends on the flow.
Hopefully i can adapt this to my kit somehow.

My clutch loves the obvious map switch over...

[OpenFlash]

Originally Posted by stratos_335

Why is methanol injection flow between 33 and 35? I have the labonte kit from Vishnu and my meth flow is around 13-14. What's the difference between the Labonte kit and the PWM? Is it essential to upgrade to PWM in order to get more power at high rpm?

With the Aquamist flow tube we are reading the raw squarewave signal, not a converted 0-5 analog signal as we do with all the other flow meters. So the scaling is going to be different.

[stratos_335]

Originally Posted by shiv@vishnu

With the Aquamist flow tube we are reading the raw squarewave signal, not a converted 0-5 analog signal as we do with all the other flow meters. So the scaling is going to be different.

Thanks Shiv. So, I guess that 35 is equal to 14 for the 0-5 V signal?