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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Dyno n55 procede & DP



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      03-23-2011, 04:27 PM   #1
Keik E92 M3
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Dyno n55 procede & DP

Okay i am back home now... Something was up with either the dyno or my tune control My car was going wild in codes lol airbag error abs error tire pressure error etc etc.. But when i took it home all those codes went away.. The dyno guy was having problems getting the dyno to read but a quick call to shiv and he explained and directed the dyno guy...

BIG THANKS TO SHIV, Best customer service i have ever had by far!

Anyways the car put down 293whp & 370TQ

The TQ was real steady and didn't have any huge boost spikes etc. but the HP was way off to me, My car feels alot faster than 293WHP which is insane to me.. The dyno guy started doing something with his computer trying to figure out some issues and i set the car to map 0 to map 1 and 2 and it only gained about 17WHP from 0-1 and 2 so there is something wrong with either my car on the dyno or the dyno itself. But here is my last run...

BTW Dyno guy was hella nice and hella cool, it was at buttinwillow race way in California.. He let me do like 12 pulls for the price of 3..

This is what made me feel un easy is the pull.. on map 2 WEIRD

its kind of like it went to stock..

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      03-23-2011, 04:32 PM   #2
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I'm thinking you should put down more than 293hp for sure..... TQ looks right though......
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      03-23-2011, 04:40 PM   #3
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Yeah i don't know whats up...
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      03-23-2011, 05:01 PM   #4
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What did it make for power on Map 0
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      03-23-2011, 05:05 PM   #5
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Getting power out of the N55 is pretty tricky since its a MAF car. Post up the 370wtq runs as well as the stock runs also. Maybe seeing the curves will help us spot the problem.

Mike
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      03-23-2011, 05:46 PM   #6
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this is WIERD??? were is the Dyno of the 370tQ?
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      03-23-2011, 05:57 PM   #7
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Quote:
Originally Posted by Pepe_pr View Post
this is WIERD??? were is the Dyno of the 370tQ?
he didn't print it, the car made 360-365-368-370tq but he didn't think it was correct. I believe that should be right but the HP is way to low.
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      03-23-2011, 06:10 PM   #8
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So what is the sheet you posted above?
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      03-23-2011, 06:11 PM   #9
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Quote:
Originally Posted by keikdasneak View Post
he didn't print it, the car made 360-365-368-370tq but he didn't think it was correct. I believe that should be right but the HP is way to low.
Without seeing the actual dyno graph, I'm willing to bet that your car went into valet mode in the middle of a run. This is the one issue with running a boost setting that is equal to your max boost setting. If boost exceeds the max boost setting by 1psi for longer than 1 second, the Procede will go into valet mode. And on the dyno, when you lug it from a low RPM, in a high gear, just this can happen. You can get around this by increasing the boost delay user adjustable value or by increasing the max boost value.

The other problem your dyno operator had was that he didn't know not to press past the throttle kick-down switch. When he did this, the car would downshift. This is why he thought your transmission was slipping. Once I explained this to him, that issue was solved.

I'm actually on a dyno right now as I type this. I'll be writing up a "How To Dyno Your N55/N54" tutorial just to avoid these issues in the future.

BTW, our n55 with our DP and home-brew 3" exhaust is putting down:

353whp/425lbft at 15psi
342whp/380lbft at 12psi

Pretty easy formula and will be explained later tonight...
Cheers,
Shiv
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      03-23-2011, 06:18 PM   #10
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Quote:
Originally Posted by shiv@vishnu View Post
Without seeing the actual dyno graph, I'm willing to bet that your car went into valet mode in the middle of a run. This is the one issue with running a boost setting that is equal to your max boost setting. If boost exceeds the max boost setting by 1psi for longer than 1 second, the Procede will go into valet mode. And on the dyno, when you lug it from a low RPM, in a high gear, just this can happen. You can get around this by increasing the boost delay user adjustable value or by increasing the max boost value.

The other problem your dyno operator had was that he didn't know not to press past the throttle kick-down switch. When he did this, the car would downshift. This is why he thought your transmission was slipping. Once I explained this to him, that issue was solved.

I'm actually on a dyno right now as I type this. I'll be writing up a "How To Dyno Your N55/N54" tutorial just to avoid these issues in the future.

BTW, our n55 with our DP and home-brew 3" exhaust is putting down:

353whp/425lbft at 15psi
342whp/380lbft at 12psi

Pretty easy formula and will be explained later tonight...
Cheers,
Shiv
Shiv, do you have any exact recommended settings for the boost delay and max boost if this issue occurs?

If we set the max boost to more boost then the 14psi you are telling us to run now on the N55 wouldnt it make more, essentially whatever we set it to? Is there anyway to set it to say Max of 16, but only run 14? Slightly confused on what you are trying to say here.
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      03-23-2011, 06:27 PM   #11
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Shiv you guys make your own DP's now?
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      03-23-2011, 06:30 PM   #12
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Quote:
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Shiv you guys make your own DP's now?
Yup i have 1
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      03-23-2011, 07:03 PM   #13
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Quote:
Originally Posted by shiv@vishnu View Post
Without seeing the actual dyno graph, I'm willing to bet that your car went into valet mode in the middle of a run. This is the one issue with running a boost setting that is equal to your max boost setting. If boost exceeds the max boost setting by 1psi for longer than 1 second, the Procede will go into valet mode. And on the dyno, when you lug it from a low RPM, in a high gear, just this can happen. You can get around this by increasing the boost delay user adjustable value or by increasing the max boost value.

The other problem your dyno operator had was that he didn't know not to press past the throttle kick-down switch. When he did this, the car would downshift. This is why he thought your transmission was slipping. Once I explained this to him, that issue was solved.

I'm actually on a dyno right now as I type this. I'll be writing up a "How To Dyno Your N55/N54" tutorial just to avoid these issues in the future.

BTW, our n55 with our DP and home-brew 3" exhaust is putting down:

353whp/425lbft at 15psi
342whp/380lbft at 12psi

Pretty easy formula and will be explained later tonight...
Cheers,
Shiv
This is exactly what i think my car was doing. Because even in map 0 it was making similar power to map 1 and 2. I never got past 300whp.. But on the street my car was a huge difference between map 0 and map 1.

Your guys car put down alot of power, i was hoping to get this amount. PM me if you can. I am going to send some Data-logs your way.
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      03-23-2011, 07:25 PM   #14
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Quote:
Originally Posted by shiv@vishnu View Post
Without seeing the actual dyno graph, I'm willing to bet that your car went into valet mode in the middle of a run. This is the one issue with running a boost setting that is equal to your max boost setting. If boost exceeds the max boost setting by 1psi for longer than 1 second, the Procede will go into valet mode. And on the dyno, when you lug it from a low RPM, in a high gear, just this can happen. You can get around this by increasing the boost delay user adjustable value or by increasing the max boost value.

The other problem your dyno operator had was that he didn't know not to press past the throttle kick-down switch. When he did this, the car would downshift. This is why he thought your transmission was slipping. Once I explained this to him, that issue was solved.

I'm actually on a dyno right now as I type this. I'll be writing up a "How To Dyno Your N55/N54" tutorial just to avoid these issues in the future.

BTW, our n55 with our DP and home-brew 3" exhaust is putting down:

353whp/425lbft at 15psi
342whp/380lbft at 12psi

Pretty easy formula and will be explained later tonight...
Cheers,
Shiv
Damn that torque is insane!!! What is your exhaust set up like? I'm in the market right now for making a custom 3" exhaust
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      03-23-2011, 07:38 PM   #15
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From my testing today:


15psi
14psi
12psi
Stock tune

Mods: Procede v5 3-21, Vishnu DP, Vishnu Charge pipe, muffler shop catback with dual magnaflow mufflers
CF: 1.05

I'll post a 'how-to dyno' later tonight. The procedure is pretty common sense but sometimes things can get overlooked and you end up with an invalid result.

Cheers.
shiv

Last edited by shiv@vishnu; 03-23-2011 at 07:49 PM.
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      03-23-2011, 07:38 PM   #16
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what a cool place to dyno
"7's only racing"
awesome.

so increasing the boost delay values // or increasing max boost values.
I'm add'n that to the mental note.
awaiting "how to dyno ur n54/n55"


n55 such a torque monster.
keikdasneak did u happen to get the runfiles saved to
ur computer?
dynojet has a free download software
to read ur files.
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      03-23-2011, 08:05 PM   #17
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Quote:
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Shiv you guys make your own DP's now?
yup - and I have one too... and i LOVE it.
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      03-23-2011, 11:26 PM   #18
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Quote:
Originally Posted by madmanhiker View Post
yup - and I have one too... and i LOVE it.
Me tooo.... The DP and Procede Combo is monster torque!!! .... Im a little concerned about the DCT holding the torque because it just rips!!
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      03-24-2011, 02:58 AM   #19
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I had the same results back in the day.
run 3 is 13psi and run 8 is 14
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      03-24-2011, 05:48 AM   #20
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Quote:
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I had the same results back in the day.
run 3 is 13psi and run 8 is 14




Shocking that dyno you did not have the new maps rigth? Neither the fuel conector?
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      03-24-2011, 08:37 AM   #21
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Quote:
Originally Posted by Pepe_pr View Post
Shocking that dyno you did not have the new maps rigth? Neither the fuel conector?
Correct
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      03-24-2011, 10:19 AM   #22
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Correct
Shockin, is yours an automatic? If so like Shiv said the throttle switch kicked in the percent increase on load and i guess down shifted. This happened to me on the dyno as well with a automatic 335i.

We have to gradually pull up around 2500 to 2700 rpms before we can stab the thorttle.
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